FCC ID: 2A2KP-K2902 RF module

 

Instruction Manual 1. Introduction ............................................................................................................................................. 1 2. Features ................................................................................................................................................. 5 3. Block Diagram ......................................................................................................................................... 6 4. Package Outline and Mounting ................................................................................................................... 6 5. Pin Definition ........................................................................................................................................... 7 6. Product Pictures ....................................................................................................................................... 8 7. Key Materials .......................................................................................................................................... 9 8. General Requirements .............................................................................................................................. 9 9. Electrical Characteristics ........................................................................................................................... 10 9.1 IEEE 802.11b Section (2.4GHz) ................................................................................................................ 10 9.2 IEEE 802.11g Section (2.4GHz) ................................................................................................................ 11 9.3 IEEE 802.11n HT20/40 Section(2.4GHz) ...................................................................................................... 12 9.4 IEEE 802.11ax HE20/40 Section (2.4GHz) ..................................................................................................... 13 9.5 IEEE 802.11a Section (5GHz) ................................................................................................................... 14 9.6 IEEE 802.11n HT20/40 Section(5GHz) ........................................................................................................ 15 9.7 IEEE 802.11ac VHT20/40 Section(5GHz) ..................................................................................................... 16 9.8 IEEE 802.11ax HE20/40 Section(5GHz) ....................................................................................................... 17 10. Reference Design.................................................................................................................................. 18 10.3 Reference schematic .......................................................................................................................... 19 11. Mechanical,Environmental and Reliability Tests ............................................................................................. 20 Hangzhou Kitchen Idea Technology Co., Ltd 1. Introduction SKI.WB800DS2.1 module is based on AIC8800D solution.SKI.WB800DS2.1 is a Wi-Fi 6 combo low-

power, high-performance and high-integrated dual band wireless communication module which is designed for meeting the customers needs of small size and low cost. This module supports both WLAN functions. Its WLAN function supports the USB 2.0/SDIO 2.0 interface, and the module meets the requirements of standard protocol IEEE 802.11 b/g/n/a/ac/ax. Such units as power management, power amplifier and low-noise amplifier are integrated in the main chip of the module. Its WLAN PHY rate is up to 266.8Mbps@TX. The module can be applied in smart sound boxes, set-top boxes, game machines, printers, IP cameras, tachographs, and other smart equipment. This documentation describes the engineering requirements specification. This RF Module have not Bluetooth function. 1 Hangzhou Kitchen Idea Technology Co., Ltd Warning:

EN This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas licence-exempt RSS(s). Operation is subject to the following two conditions:

1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device. i. the device for operation in the band 51505250 MHz is only for indoor use to reduce the potential for harmful interference to co-channel mobile satellite systems;

ii. for devices with detachable antenna(s), the maximum antenna gain permitted for devices in the bands 5250-5350 MHz and 5470-5725 MHz shall be such that the equipment still complies with the e.i.r.p. limit;

iii. for devices with detachable antenna(s), the maximum antenna gain permitted for devices in the band 5725-5850 MHz shall be such that the equipment still complies with the e.i.r.p. limits as appropriate;

This radio transmitter [30295-K2902] has been approved by Innovation, Science and Economic Development Canada to operate with the antenna types listed below:

Antenna: External FPC Antenna, 3.7 dBi Gain for 2.4Ghz band, 4.2 dBi Gain for 5GHz band. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device. FR cet appareil contient des metteurs/rcepteurs exempts de licence qui sont conformes aux flux RSS exempts de licence dinnovation, sciences et dveloppement conomique Canada. Le fonctionnement est soumis aux deux conditions suivantes:

1. Cet appareil ne peut pas causer dinterfrences. 2. Cet appareil doit accepter toute interfrence, y compris les interfrences qui peuvent causer un fonctionnement indsirable de lappareil. i. Le dispositif pour fonctionner dans la bande 5150-5250 MHz est seulement pour une utilisation lintrieur pour rduire le potentiel dinterfrence nuisible aux systmes satellites mobiles co-canaux;

ii. Pour les dispositifs antenne (S) amovible (S), le gain maximal dantenne permis pour les dispositifs dans les bandes 5250-5350 MHz et 5470-5725 MHz doit tre tel que lquipement respecte toujours la limite de le.i.r.p.;

iii. Pour les dispositifs antenne (S) amovible (S), le gain maximal dantenne permis pour les dispositifs de la bande 5725-5850 MHz doit tre tel que lquipement respecte toujours les limites de le.i.r.p. le cas chant;

Cet metteur radio [30295-K2902] a t approuv par Innovation, sciences et dveloppement conomique Canada pour fonctionner avec les types dantennes numrs ci-dessous:

2 Hangzhou Kitchen Idea Technology Co., Ltd Antenne: externe FPC antenne, 3.7 dBi Gain pour la bande 2.4Ghz, 4.2 dBi Gain pour la bande 5GHz. Les types dantennes non inclus dans cette liste qui ont un gain suprieur au gain maximum indiqu pour tout type list sont strictement interdits pour une utilisation avec cet appareil. This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation. Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. To satisfy FCC / IC RF exposure requirements, a separation distance of 20 cm or more should be maintained between the antenna of this device and persons during device operation. To ensure compliance, operations at closer than this distance is not recommended. To ensure compliance, operations at closer than this distance is not recommended Antenna Change Notice to Host manufacturer If you desire to increase antenna gain and either change antenna type or use same antenna type certified, a Class II permissive change application is required to be filed by us, or you (host manufacturer) can take responsibility through. 3 Hangzhou Kitchen Idea Technology Co., Ltd Unique Identifier Model Number Trade Name SKI.WB800DS2.1 NA FCC Compliance Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Responsible Party U.S. Contact Information Company:

Address:

Telephone or internet contact information:

FCC US Agent,LLC 3722 lllinois Avenue,Saint Charles,IL, 60174,USA TEL708-571-3148 Email:Support@FCCUSAgent.com 4 Hangzhou Kitchen Idea Technology Co., Ltd 2. Features IEEE Std. 802.11a IEEE Std. 802.11b IEEE Std. 802.11g Reserving System IEEE Std. 802.11n IEEE Std. 802.11ac IEEE Std. 802.11ax Chip Solution AIC8800D Band 2.4GHz/5GHz Bandwidth 20/40M Dimensions 12mm12mm1.8mm Remark

Modle Install way standard Data rate

(MAX) Frequencyb and Antenna interface remark SKI.WB800DS2.1 SMD IEEE 229Mbps@RX 2.4GHz Stamp hole *1 802.11a/b/g/n/ac/ax 266.8Mbps@TX 5GHz Compatible stamp holes *2 5 Hangzhou Kitchen Idea Technology Co., Ltd 3. Block Diagram Figure 1 Block Diagram 4. Package Outline and Mounting 6 Hangzhou Kitchen Idea Technology Co., Ltd 5. Pin Definition PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 SYMBOL GND WLAN_ANT GND NC NC GPIOB5 GPIOB3 NC VBAT USB_DM USB_DP PWR_KEY HOST_WAKE_WIFI SDIO_D2 SDIO_D3 SDIO_CMD SDIO_CLK SDIO_D0 SDIO_D1 GND NC VIO NC GPIOB2/WiFi_HOST_WAKE NC NC NC NC UART0_TX UART0_RX DESCRIPTION Connected to Ground WIFI(2.4G+5G) Connected to Ground NC

GPIO GPIO

3.3V USB_DM USB_DP PWR_KEY WIFI I/O I/O I/O I/O I/O I/O Connected to Ground

3.3V/1.8V

GPIO/WiFi

I/O I/O 7 Hangzhou Kitchen Idea Technology Co., Ltd 31 32 33 34 35 36 37 38 39 40 41 42 43 44 GND NC GND GPIOB7 GPIOB6 GND NC NC NC NC UART1_RTS UART1_TX UART1_RX UART1_CTS 6. Product Pictures Connected to Ground

Connected to Ground GPIO GPIO Connected to Ground

I/O I/O I/O I/O CVTE SKI.WB800DS2.1 002.029.0000791 LGA WiFi 8 Hangzhou Kitchen Idea Technology Co., Ltd 7. Key Materials Numbe r 1 2 3 4 5 6 Key name Modle Specifications remark AIC AIC8800D SKI.WB800DS2.1 CB5717 SLFD18-5R950G-07T WS7872DA-6/TR Materials QFN48 FR-4,2LAY 5.15~5.9GHz 4900~5950MHz,0.6dB 2400~2500MHz,0.4dB 2channel,0.16GHz CN4026M00012T2115181 26MHz Integrated circuit PCB FEM duplexer Radio-

frequency switch Crystal oscillator 8. General Requirements No. 8-1 8-2 8-3 8-4 8-5 8-6 8-7 Feature Operation Voltage Current Consumption Ripple Operation Temperature Antenna Type Interface Description 3.3V0.3 600mA 120mV

-10C to +60C External antenna SDIO 2.0/USB2.0/UART Storage Temperature

-40C to +85C

*RF Power Configuration Requirements txpwr_index_2.4g:

[0]=10(ofdmlowrate)

[1]=9(ofdm64qam)

[2]=9(ofdm256qam)

[3]=7(ofdm1024qam)

[4]=9(dsss) txpwr_index_5g:

[0]=9(ofdmlowrate)

[1]=9(ofdm64qam)

[2]=9(ofdm256qam)

[3]=8(ofdm1024qam) 9 Hangzhou Kitchen Idea Technology Co., Ltd 9. Electrical Characteristics Electrical code tests are carried out under the following conditions: ambient temperature: 255;

Power supply voltage: module input voltage 3.3V (10%);

The Test for electrical specification was performed under the following condition unless otherwise specified. Ambient condition Temperature :25 5;

Power supply voltages: 3.3V (10%) input power at the Module;

9.1 IEEE 802.11b Section (2.4GHz) Items Specification Mode Channel Data rate TX Characteristics 1. Power Levels at each rate

(1Mbps~11Mbps) 2. Spectrum Mask @ target power 1) fc 11MHz to 22MHz 2) fc > 22MHz 3. Constellation Error(EVM)@ target power 1) 1Mbps 2) 2Mbps 3) 5.5Mbps 4) 11Mbps 4. Frequency Error RX Characteristics 5. Minimum Input Level Sensitivity 1) 1Mbps (FER 8%) 2) 2Mbps (FER 8%) 3) 5.5Mbps (FER 8%) 4) 11Mbps (FER 8%) 6. Maximum Input Level (FER 8%) Contents IEEE802.11b@2.4GHz CCK CH1 to CH11 1, 2, 5.5, 11Mbps Min. 14.0 Typ. 16.0 Max. Unit Remark 18.0 dBm

Typ.

-30

-50

-9.11

-9.11

-9.11

-9.11 20 Max.

-83

-80

-79

-76

dBr dBr dB dB dB dB ppm Unit dBm dBm dBm dBm dBm

-20 Min.

-10 10 Hangzhou Kitchen Idea Technology Co., Ltd 9.2 IEEE 802.11g Section (2.4GHz) Items Specification Mode Channel Data rate Contents IEEE802.11g@2.4GHz OFDM CH1 to CH11 6, 9, 12, 18, 24, 36, 48, 54Mbps TX Characteristics Min. Typ. Max. Unit Remark 1. Power Levels 1) For antenna port54M 2. Spectrum Mask @ target power 1) at fc +/-11MHz 2) at fc +/-20MHz 3) at fc > +/-30MHz 3 Constellation Error(EVM)@ target power 1) 6Mbps 2) 9Mbps 3) 12Mbps 4) 18Mbps 5) 24Mbps 6) 36Mbps 7) 48Mbps 8) 54Mbps 4 Frequency Error RX Characteristics 5 Minimum Input Level Sensitivity 1) 6Mbps (PER 10%) 2) 9Mbps (PER 10%) 3) 12Mbps (PER 10%) 4) 18Mbps (PER 10%) 5) 24Mbps (PER 10%) 6) 36Mbps (PER 10%) 7) 48Mbps (PER 10%) 8) 54Mbps (PER 10%) 12.0 14.0 16.0 dBm

Typ.

-20

-28

-40

-5

-8

-10

-13

-16

-19

-22

-25 20 Max.

-85

-84

-82

-80

-77

-73

-69

-65 dBr dBr dBr dB dB dB dB dB dB dB dB ppm Unit dBm dBm dBm dBm dBm dBm dBm dBm

-20 Min.

11 Hangzhou Kitchen Idea Technology Co., Ltd 9.3 IEEE 802.11n HT20/40 Section(2.4GHz) Items Contents Specification Mode Channel Data rate (MCS index) IEEE802.11n HT20/40@2.4GHz OFDM HT20:CH1 to CH11 HT40:CH3 to CH9 MCS0/1/2/3/4/5/6/7 TX Characteristics Min. Typ. Max. Unit 12.0 14.0 16.0 dBm 1. Power Levels (Calibrated) 1) For antenna portMCS7 2. Spectrum Mask @target power 1) at fc +/-22MHz 2) at fc +/-40MHz 3) at fc > +/-60MHz 3. Constellation Error(EVM)@ target power 1) MCS0 2) MCS1 3) MCS2 4) MCS3 5) MCS4 6) MCS5 7) MCS6 8) MCS7

Typ.

-20

-28

-45

-5

-10

-13

-16

-19

-22

-25

-28 20 Max. 4. Frequency Error RX Characteristics

-20 Min. 5. Minimum Input Level Sensitivity HT20 HT40 1) MCS0 (PER 10%) 2) MCS1 (PER 10%) 3) MCS2 (PER 10%) 4) MCS3 (PER 10%) 5) MCS4 (PER 10%) 6) MCS5 (PER 10%) 7) MCS6 (PER 10%) 8) MCS7 (PER 10%)

6. Maximum Input Level (PER 10%)

-20

-79

-76

-74

-71

-67

-63

-62

-61

-82

-79

-77

-74

-70

-66

-65

-64

12 dBr dBr dBr dB dB dB dB dB dB dB dB ppm Unit dBm dBm dBm dBm dBm dBm dBm dBm dBm Hangzhou Kitchen Idea Technology Co., Ltd 9.4 IEEE 802.11ax HE20/40 Section (2.4GHz) Items Contents Specification Mode Channel IEEE802.11ax HE20/40@2.4GHz OFDMA HE20:CH1 to CH11 HE40:CH3 to CH9 Data rate (MCS index) MCS0/1/2/3/4/5/6/7/8/9 TX Characteristics Min. Typ. Max. 1. Power Levels (Calibrated) 1) For antenna portMCS9 12.0 14.0 16.0 2. Spectrum Mask @VHT20/VHT40/VHT80 target power 1) at fc +/-11MHz/21MHz/41MHz 2) at fc +/-20MHz/40MHz/80MHz 3) at fc +/-30MHz/60MHz/120MHz 3. Constellation Error(EVM)@ target power 1) MCS0 2) MCS1 3) MCS2 4) MCS3 5) MCS4 6) MCS5 7) MCS6 8) MCS7 9) MCS8 10) MCS9 4. Frequency Error RX Characteristics

-20 Min.

Typ.

-20

-28

-40

-5

-10

-13

-16

-19

-22

-25

-27

-30

-32 20 Max. 5.Minimum Input Level Sensitivity HE20 HE40 1) MCS0 (PER 10%) 2) MCS1 (PER 10%) 3) MCS2 (PER 10%) 4) MCS3 (PER 10%) 5) MCS4 (PER 10%) 6) MCS5 (PER 10%) 7) MCS6 (PER 10%) 8) MCS7 (PER 10%) 9) MCS8(PER 10%) 10) MCS9(PER 10%)

6. Maximum Input Level (PER 10%)

-30

-79

-76

-74

-71

-67

-63

-62

-61

-56

-54

-82

-79

-77

-74

-70

-66

-65

-64

-59

-57

13 Unit dBm dBr dBr dBr dB dB dB dB dB dB dB dB dB dB ppm Unit dBm dBm dBm dBm dBm dBm dBm dBm dBm dBm dBm Hangzhou Kitchen Idea Technology Co., Ltd 9.5 IEEE 802.11a Section (5GHz) Items Specification Mode Channel Contents IEEE802.11a@5GHz OFDM CH36 to CH48, CH149 to CH165 Data rate (MCS index) 6, 9, 12, 18, 24, 36, 48, 54Mbps TX Characteristics Min. Typ. Max. Unit 9.0 7.0 11.0 9.0 13.0 11.0 1. Power Levels (Calibrated) 1) For antenna port6M~36M 2) For antenna port48M~54M 2. Spectrum Mask @VHT20/VHT40/VHT80 target power 1) at fc +/-11MHz/21MHz/41MHz 2) at fc +/-20MHz/40MHz/80MHz 3) at fc +/-30MHz/60MHz/120MHz 3. Constellation Error(EVM)@ target power 4) MCS3 5) MCS4 6) MCS5 7) MCS6 8) MCS7 9) MCS8 10) MCS9 4. Frequency Error RX Characteristics 5.Minimum Input Level Sensitivity 1) 6Mbps (PER 10%) 2) 9Mbps (PER 10%) 3) 12Mbps (PER 10%) 4) 18Mbps (PER 10%) 5) 24Mbps (PER 10%) 6) 36Mbps (PER 10%) 7) 48Mbps (PER 10%) 8) 54Mbps (PER 10%) dBm dBm dBr dBr dBr dB dB dB dB dB dB dB ppm Unit dBm dBm dBm dBm dBm dBm dBm dBm dBm

-20 Min.

Typ.

-20

-28

-40

-16

-19

-22

-25

-27

-30

-32 20 Max.

-82

-81

-79

-77

-74

-70

-66

-65

6. Maximum Input Level (PER 10%)

-30 14 Hangzhou Kitchen Idea Technology Co., Ltd 9.6 IEEE 802.11n HT20/40 Section(5GHz) Items Specification Mode Channel Data rate (MCS index) Contents IEEE802.11n HT20/40@5GHz OFDM HT20:CH36 to CH48, CH149 to CH165 HT40:CH38 to CH46, CH151 to CH159 MCS0/1/2/3/4/5/6/7 TX Characteristics Min. Typ. Max. Unit 1. Power Levels (Calibrated) 1) For antenna portMCS0~MCS4 2) For antenna portMCS5~MCS7 2. Spectrum Mask @target power 1) at fc +/-11MHz 2) at fc +/-20MHz 3) at fc > +/-30MHz 3. Constellation Error(EVM)@ target power 1) MCS0 2) MCS1 3) MCS2 4) MCS3 5) MCS4 6) MCS5 7) MCS6 8) MCS7 4. Frequency Error RX Characteristics 6. Minimum Input Level Sensitivity

(each chain) 1) MCS0 (PER 10%) 2) MCS1 (PER 10%) 3) MCS2 (PER 10%) 4) MCS3 (PER 10%) 5) MCS4 (PER 10%) 6) MCS5 (PER 10%) 7) MCS6 (PER 10%) 8) MCS7 (PER 10%) 9.0 7.0 11.0 9.0 13.0 11.0

-20 Min.

Typ.

-20

-28

-45

-5

-10

-13

-16

-19

-22

-25

-28 20 Max. HT20 HT40

-79

-76

-74

-71

-67

-63

-62

-61

-82

-79

-77

-74

-70

-66

-65

-64

dBm dBm dBr dBr dBr dB dB dB dB dB dB dB dB ppm Unit dBm dBm dBm dBm dBm dBm dBm dBm dBm 6. Maximum Input Level (PER 10%)

-30 15 Hangzhou Kitchen Idea Technology Co., Ltd 9.7 IEEE 802.11ac VHT20/40 Section(5GHz) Items Contents Specification Mode Channel Data rate (MCS index) IEEE802.11ac VHT20/40@5GHz OFDM VHT20: CH36 to CH48, CH149 to CH165 VHT40: CH38 to CH46, CH151 to CH159 MCS0/1/2/3/4/5/6/7/8/9 TX Characteristics Min. Typ. Max. 1. Power Levels (Calibrated) 1) For antenna portMCS0~MCS4 2) For antenna portMCS5~MCS9 2. Spectrum Mask @VHT20/VHT40/VHT80 target power 1) at fc +/-11MHz/21MHz/41MHz 2) at fc +/-20MHz/40MHz/80MHz 3) at fc +/-30MHz/60MHz/120MHz 3. Constellation Error(EVM)@ target power 1) MCS0 2) MCS1 3) MCS2 4) MCS3 5) MCS4 6) MCS5 7) MCS6 8) MCS7 9) MCS8 10) MCS9 4. Frequency Error 9.0 7.0 11.0 9.0 13.0 11.0

-20

-20

-28

-40

-5

-10

-13

-16

-19

-22

-25

-27

-30

-32 20 Max. RX Characteristics Min. Typ. 5.Minimum Input Level Sensitivity VHT20 VHT40 1) MCS0 (PER 10%) 2) MCS1 (PER 10%) 3) MCS2 (PER 10%) 4) MCS3 (PER 10%) 5) MCS4 (PER 10%) 6) MCS5 (PER 10%) 7) MCS6 (PER 10%) 8) MCS7 (PER 10%) 9) MCS8(PER 10%) 10) MCS9(PER 10%)

6. Maximum Input Level (PER 10%)

-30

-82

-79

-77

-74

-70

-66

-65

-64

-59

-57

-79

-76

-74

-71

-67

-63

-62

-61

-56

-54

16 Unit dBm dBm dBr dBr dBr dB dB dB dB dB dB dB dB dB dB ppm Unit dBm dBm dBm dBm dBm dBm dBm dBm dBm dBm dBm Hangzhou Kitchen Idea Technology Co., Ltd 9.8 IEEE 802.11ax HE20/40 Section(5GHz) Items Contents Specification Mode Channel IEEE802.11ax HE20/40@5GHz OFDMA HE20: CH36 to CH48, CH149 to CH165 HE40: CH38 to CH46, CH151 to CH159 Data rate (MCS index) MCS0/1/2/3/4/5/6/7/8/9 TX Characteristics Min. Typ. Max. 1. Power Levels (Calibrated) 1) For antenna portMCS0~MCS4 2) For antenna portMCS5~MCS9 2. Spectrum Mask @VHT20/VHT40/VHT80 target power 1) at fc +/-11MHz/21MHz/41MHz 2) at fc +/-20MHz/40MHz/80MHz 3) at fc +/-30MHz/60MHz/120MHz 3. Constellation Error(EVM)@ target power 1) MCS0 2) MCS1 3) MCS2 4) MCS3 5) MCS4 6) MCS5 7) MCS6 8) MCS7 9) MCS8 10) MCS9 4. Frequency Error 9.0 7.0 11.0 9.0 13.0 11.0

-20

-20

-28

-40

-5

-10

-13

-16

-19

-22

-25

-27

-30

-32 20 Max. RX Characteristics Min. Typ. 5.Minimum Input Level Sensitivity HE20 HE40 1) MCS0 (PER 10%) 2) MCS1 (PER 10%) 3) MCS2 (PER 10%) 4) MCS3 (PER 10%) 5) MCS4 (PER 10%) 6) MCS5 (PER 10%) 7) MCS6 (PER 10%) 8) MCS7 (PER 10%) 9) MCS8(PER 10%) 10) MCS9(PER 10%)

6. Maximum Input Level (PER 10%)

-30

-79

-76

-74

-71

-67

-63

-62

-61

-56

-54

-82

-79

-77

-74

-70

-66

-65

-64

-59

-57

17 Unit dBm dBm dBr dBr dBr dB dB dB dB dB dB dB dB dB dB ppm Unit dBm dBm dBm dBm dBm dBm dBm dBm dBm dBm dBm Hangzhou Kitchen Idea Technology Co., Ltd 10. Reference Design 10.1 Timing specification 10.2 DC Electrical Characteristics Symbol Description conditions Min. Typ. Max. Unit 3.3 3.3 1.8

75 50 75 50 3.6 3.6 1.9 800 50 V V mA mA VDDIO+0.3 V VDDIO*0.25 VDDIO*0.35 V VDDIO+0.3 V 0.4 0.2 190 100 190 100 V k k VDD33 Power supplies VDDIO I/O input power supplies IVDD33 Power supply current IVDDIO I/O supply current VIH High-level input voltage VIL Low-level input voltage

3.0 3.0 1.7

VDDIO=3.3V VDDIO*0.625 VDDIO=1.8V VDDIO*0.65 VDDIO=3.3V VDDIO=1.8V

-0.3 VOH VOL High-level output VDDIO=3.3V VDDIO-0.4 voltage VDDIO=1.8V VDDIO-0.2 Low-level output VDDIO=3.3V voltage VDDIO=1.8V RPU Internal pull-up resistor VDDIO=3.3V VDDIO=1.8V RPD Internal pull-down VDDIO=3.3V resistor VDDIO=1.8V

-0.3 40 10 40 10 18 Hangzhou Kitchen Idea Technology Co., Ltd 10.3 Reference schematic 19 Hangzhou Kitchen Idea Technology Co., Ltd 11. Mechanical,Environmental and Reliability Tests Test Items Test Conditions Qty Criteria Condition The packed samples within 100Kg can be tested Drop height:

After drop test, the outer box and inner box will 11-1 Drop test Face Side: 800/600/450mm Edge 1xBox not been broken by appearance visual inspection. line: 600/450/350mm Drop time: 1 each Face and edge. X-Y-Z direction, first Frequency changing from 10Hz to 30Hz to 10Hz,amplitude 0.75mm, 5 times Vibration test 11-2 vibrations, then frequency After test, the Appearance, Power EVM and Changing from 30Hz to 55 Hz to 3 Frequency error shall be satisfied with the 30 Hz, amplitude 0.15mm, 5 time specification. vibration. 11-3 Impact test Impact acceleration:

50m/sec2;

Impact duration: 16ms Impact times: 1000. Soldering temperature: 2355 11-4 Soldering ability test Soldering duration:

20.5S After test, the Appearance, Power EVM and 3 Frequency error shall be satisfied with the specification. 1. After soldering, the soldered area must be covered by a smooth bright solder layer, some deficiencies such as a small amount of the pinhole, not wetting are allowed, but the 3 deficiencies can not be in the same place 2. At least 90% of soldered area shall be covered continuously by the soldering material. 11-5 Humidity Leave samples in 403, 93% RH @

test 96 hours Leave samples in standard test condition for 2 hours then test, the Appearance, Power, EVM and 3 Frequency error functional parameter shall be satisfied with the test specification. High 11-6 temperature load life test Thermostat cabinet temperature: 555 60 After test, leave samples in standard condition for 1 hour and test, Power, EVM and Frequency error shall be satisfied with the test specification. 20 Hangzhou Kitchen Idea Technology Co., Ltd Applied voltage:

110% rated voltage Working duration: 200 hour (Supply Voltage Cycle 23h power on, 1h power off) High 11-7 temperature Temperature: 555 Samples work for 16 hours After test, the Appearance, Power, EVM 3 and Frequency error shall be Satisfied with the test specification. Leave samples in standard test condition for 2 hours then test, the Appearance, Power, EVM and Frequency error shall be satisfied with the test specification. After test, leave the samples in standard condition and tested the Appearance, Power, EVM and Frequency error shall be satisfied with the test specification. 3 3 After test, leave the samples in standard condition and tested Power EVM and Frequency error shall be 3 qualified and all the characters shall be satisfied with the test specification. During test, There will not been appeared signal 3 disconnection or interruption between DUT and AP. The products can recoverable smoothly after ESD test. load test Low 11-8 temperature storage test Leave the samples in

-253@24 hours Low 11-9 temperature load test Leave samples in -153@ 2 hours, samples function shall be normal, the let samples work for 1 hour 11-10 One cycle duration Temperature circle

-103@3H 403 test

@3H 11-11 Continuous TP test Total cycle: 10x Twice cycle duration

-103@4H

+603@4H,

+25@2H@2H Discharge voltage: 1kV C:

150pF 11-12 ESD Discharge resistance330 3 Positive10 times 1 time for each second 21 Hangzhou Kitchen Idea Technology Co., Ltd The requirement for KDB 996369 D03:

2.2 List of applicable FCC rules FCC Part 15.247, FCC Part 15.407. 2.3 Summarize the specific operational use conditions. EUT use FPC antenna and the antenna through the IPEX connector to connect the RF module. 2.4 Limited module procedures The module is a single module, so this requirement is not applicable to the product. 2.5. Trace antenna designs Antenna specification:

Characteristic frequency range input impedance Antenna size:

Specification 2.4-2.5/5.15-5.85 50 Unit GHz Antenna Gain:

2.4G:

5G:

The SKI.WB800DS2.1 module will be used on FOOD PRCESSED. The RF trace between antenna and the IC RF pin has to be in 50 impedance. The matching circuit has to be in place for better performance. The antenna on the module board is by PCB trace. 22 Hangzhou Kitchen Idea Technology Co., Ltd 2.4G WIFI path:

5G WIFI path:

2.6 RF exposure considerations 23 Hangzhou Kitchen Idea Technology Co., Ltd 2.6 RF exposure considerations The host device can be used only mobile device. The separation distance of 20 cm or more should be maintained between the antenna of this device and persons during device operation. 2.7 Antennas 2.4G PIFA antenna: 3.7 dBi max 5G PIFA antenna: 4.2 dBi max. 2.8 Label and compliance information If this certified module is installed inside the host device, then the outside of the host must be labeled with Contains FCC ID: 2A2KP-K2902 and IC: 30295-K2902. 2.9 Information on test modes and additional testing requirements The host manufacturer can use the software of Aic8800_porting_package_2023_0506_1655_3de974 to make the WIF transmit continuously. 2.10. Additional testing, Part 15 Subpart B disclaimer The module only complies with the FCC Part 15.247 and 15.407. If the module is installed in the host device, the host manufacturer is responsible for the compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. For example, if the host manufacturer markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the host manufacturer shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed. 24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hangzhou Kitchen Idea Technology Co., Ltd. Authority to Actas Agent Date: 2023-06-12 American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern:

Intertek Testing Service Shanghai is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. We also declare that the information provided to the FCC is true and correct to the best of our knowledge (47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. Thank you, Agency Agreement Expiration Date: 2025-12-30 By: 5A k; A, Suki Yu

(Signature!) (Print name) Title: Manager On behalfof: ___ Hangzhou Kitchen Idea Technology Co., Ltd

(Company Name) Telephone: +86-13777468796

!. Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if'an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead. 041521-14

 

 

Hangzhou Kitchen Idea Techitology Co., Ltd Request_ for Confidentiality Date:

Subject: Confidentiality Request for: FCC-ID;2A2KP-K2902, IC: 30295-K2902 Pursuant to FCC 47 CFR 0.457(d) and 0.459 and IC RSP-100, Section 12.4, the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Exhibit D Short Term & Permanent Block Diagrams D Short Term External Photos O Short Term O Permanent *! Internal Photos D Short Term & Permanent Operation Description/Theory of Operation O Short Term & Permanent Schematics D Short Term Test Setup Photos O Short Term OO Permanent *? Users Manual Hangzhou Kitchen Idea Technology Co., Ltd has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality:

The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality:

The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of __ (specify number of days not to exceed 180)? __ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify ACB in the event information regarding the product or the product is made available to the public before the requested period has expired. ACB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. NOTE for Industry Canada Applications:

IC currently only distinguishes Permanent Confidentiality exhibits as shown above. Short Term confidentiality is not considered applicable to IC applications. Sincerely, By: Sok, YA Suki Yu

(Signature/Title?) (Print name)

'~ The asterisked items (*) require further information to be provided to ACB before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 and the specific Document link for DOI found at:

https://apps. fec.gov/oetcf/kdb/forms/FTSSearchResultPage.cim?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. 2 - Please refer to https://acbcert.com/documents/misc-docs/Memo-Short-Term-Vs-Standard-Confidentiality.pdf for complete details. 3 ~ Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if'an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead. 041521-14

 

 

 

 

 

 

 

 

 

 

FSHEE 31ZA @& & FM HM AppD NOTE: Must Use Appropriate Company Letterhead U.S. Agent Designation for Service of Process

(Applicant and U.S, Agent are Separate Parties) TO: American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 ATTENTION: FCC Certification - Section 2.911(d)(7) Information Designated U.S. Agent Company Name: FCC US Agent, LLC Contact Name: Tim Payne Street Address: 3722 Illinois Avenue City/Province/Zip: Saint Charles, IL, 60174, USA Telephone No: 708-571-3148 Email: Support@FCCUSAgent.com FRN #: 0033402884 This letter is to confirm that we (the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature:

Date:

Signed by (Printed Name/Title): Tim Payne/Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-

related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name:Hangzhou Kitchen Idea Technology Co., Ltd. Grantee Code:2A2KP FCC ID: 2A2KP-K2902 FRN #:0031139330 Contact Name:Suki Yu Street Address:Room 2501, Huaye Building, 511Jianye Road, Changhe Subdistrict , Binjiang District City/Province/Zip:Hangzhou, Zhejiang,China Telephone No:+86-13777468796 Email:yuyafei@kitchenidea.com.cn Applicant Signature*:Suki Yu Date: 2023, Jo. I \

Signed by (Printed Name/Title): < , jx | (u 1 ~ Letters must be placed on appropriate letterhead. The signee for the applicant must be one of the following: Applicant (grantee) contact of record in the FCCs authorization system, or authorized officers or employee of the applicant (grantee).

 

 

Hangzhou Kitchen Idea Technology Co., Ltd. Certification Application Attestation Statements Date: October 16, 2023 American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 To Whom It May Concern:

Statement for 47 CFR section 2.911(d)(5)(i) ___Hangzhou Kitchen Idea Technology Co., Ltd / FCC ID:2A2KP-K2902 the date of the application the equipment for which authorization is sought is not covered equipment1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. certifies that as of If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not covered equipment. Additional Explanation: <N/A>

Statement for 47 CFR section 2.911(d)(5)(ii) ___ Hangzhou Kitchen Idea Technology Co., Ltd / FCC ID:2A2KP-K2902_ (the applicant) certifies that, as of the date of the filing of this application, the applicant - is / - is not identified on the Covered List as an entity producing covered equipment. Thank you, Title:

Manger Company:

Hangzhou Kitchen Idea Technology Co., Ltd Telephone:

+86 13777468796 1 - The Commissions Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commissions website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes covered equipment. https://www.fcc.gov/supplychain/coveredlist . 021423-17 rev 4

 

 

Hangzhou Kitchen Idea Technology Co., Ltd Request for Modular/Limited Modular Approval Date: October 17, 2023 Subject: Manufacturers Declaration for - Modular Approval

- Split Modular Approval

- Limited Modular Approval - Limited Split Modular Approval Confidentiality Request for: FCC ID: 2A2KP-K2902 8 Basic Requirements FCC Part 15.212(a)(1) For Items Marked NO(*), the Limited Module Description Must be Filled Out on the Following Pages Modular Approval Requirement 1. The modular transmitter must have its own RF shielding. This is intended to ensure that the module does not have to rely upon the shielding provided by the device into which it is installed in order for all modular transmitter emissions to comply with FCC limits. It is also intended to prevent coupling between the RF circuitry of the module and any wires or circuits in the device into which the module is installed. Such coupling may result in non-compliant operation. The physical crystal and tuning capacitors may be located external to the shielded radio elements. 15.212(a)(1)(i) Requirement Met

- YES - NO(*) Details: The module contains a metal shield which covers all RF components and circuitry. The shield is located on the top of the board next to antenna connector. 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with FCC requirements under conditions of excessive data rates or over-modulation. 15.212(a)(1)(ii)

- YES - NO(*) Details: Data to the modulation circuit is buffered as described in the operational description provided with the application. 3. The modular transmitter must have its own power supply regulation on the module. This is intended to ensure that the module will comply with FCC requirements regardless of the design of the power supplying circuitry in the device into which the module is installed. 15.212(a)(1)(iii)

- YES - NO(*) Details: The module contains its own power supply regulation. Please refer to schematic filed with this application. 4. The modular transmitter must comply with the antenna and transmission system requirements of 15.203, 15.204(b), 15.204(c), 15.212(a), and 2.929(b). The antenna must either be permanently attached or employ a unique antenna coupler (at all connections between the module and the antenna, including the cable). The professional installation provision of 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph 15.212(b). 15.212(a)(1)(iv)

- YES - NO(*) Details: The module through a unique coupling (IPEX connector) to the antenna. 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines shall be length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified or commercially available (see Section 15.31(i)). 15.212(a)(1)(v)

- YES - NO(*) Details: The module was tested stand-alone as shown in test setup photographs filed with this application. 070920-02b Hangzhou Kitchen Idea Technology Co., Ltd Modular Approval Requirement 6. The modular transmitter must be labeled with its own FCC ID number, or use an electron display Requirement Met

(see KDB Publication 784748). If using a permanently affixed label with its own FCC ID number, if the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains Transmitter Module FCC ID: XYZMODEL1 or Contains FCC ID: XYZMODEL1. Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains FCC certified transmitter module(s). Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. 15.212(a)(1)(vi)

- YES - NO(*) Details: There is a label on the module as shown in the labeling exhibit filed with this application. Host specific labeling instructions are shown in the installation manual .filed with this application. 7. The modular transmitter must comply with all specific rule or operating requirements applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. A copy of these instructions must be included in the application for equipment authorization. For example, there are very strict operational and timing requirements that must be met before a transmitter is authorized for operation under Section 15.231. For instance, data transmission is prohibited, except for operation under Section 15.231(e), in which case there are separate field strength level and timing requirements. Compliance with these requirements must be assured. 15.212(a)(1)(vii)

- YES - NO(*) Details: The module complies with FCC Part 15C requirements. Instructions to the OEM installer are provided in the installation manual filed with this application. 8. The modular transmitter must comply with any applicable RF exposure requirements. For example, FCC Rules in Sections 2.1091, 2.1093 and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental evaluation for RF Exposure to demonstrate compliance. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF Exposure compliance in accordance with Section 15.247(b)(4). Modular transmitters approved under other Sections of Part 15, when necessary, may also need to address certain RF Exposure concerns, typically by providing specific installation and operating instructions for users, installers and other interested parties to ensure compliance. 15.212(a)(1)(viii)

- YES - NO(*) Details: The module meets mobile device exclusion levels as shown in the RF exposure information filed with this application. 070920-02b Hangzhou Kitchen Idea Technology Co., Ltd Limited Module Description When Applicable

* If a module does NOT meet one or more of the above 8 requirements, the applicant may request Limited Modular Approval (LMA). This Limited Modular Approval (LMA) is applied with the understanding that the applicant will demonstrate and will retain control over the final installation of the device, such that compliance of the end product is always assured. The operating condition(s) for the LMA; the module is only approved for use when installed in devices produced by grantee. A description regarding how control of the end product, into which the module will be installed, will be maintained by the applicant/manufacturer, such that full compliance of the end product is always ensured should be provided here. Details: <example - N/A>

Software Considerations KDB 594280 / KDB 442812 (One of the following 2 items must be applied) Requirement Requirement Met 1. For non-Software Defined Radio transmitter modules where software is used to ensure compliance of the device, technical description must be provided about how such control is implemented to ensure prevention of third-party modification; see KDB Publication 594280.

- Provided in Separate Cover Letter

- N/A Details: The firmware of the device can not be modified or adjusted by the end user as described in described in operation description. 2. For Software Defined Radio (SDR) devices, transmitter module applications must provide a software security description; see KDB Publication 442812.

- Provided in Separate Cover Letter

- N/A Details: <example N/A>

Split Modular Requirements Requirement Provided in Manual 1. For split modular transmitters, specific descriptions for secure communications between front-end and control sections, including authentication and restrictions on third-party modifications; also, instructions to third-party integrators on how control is maintained.

- Provided in Separate Cover Letter

- N/A Details: <example N/A >

070920-02b Hangzhou Kitchen Idea Technology Co., Ltd OEM Integration Manual Guidance KDB 996369 D03 Section 2 Clear and Specific Instructions Describing the Conditions, Limitations, and Procedures for third-parties to use and/or integrate the module into a host device. Requirement Is this module intended for sale to third parties?

- YES

- No, If No, and LMA applies, the applicant can optionally choose to not make the following detailed info public. However there still needs to be basic integration instructions for a users manual and the information below must still be included in the operational description. If the applicant wishes to keep this info confidential, this will require a separate statement cover letter explaining the module is not for sale to third parties and that integration instructions are internal confidential documents. Items required to be in the manual See KDB 996369 D03, Section 2 As of May 1, 2019, the FCC requires ALL the following information to be in the installation manual. Modular transmitter applicants should include information in their instructions for all these items indicating clearly when they are not applicable. For example information on trace antenna design could indicate Not Applicable. Also if a module is limited to only a grantees own products and not intended for sale to third parties, the user instructions may not need to be detailed and the following items can be placed in the operational description, but this should include a cover letter as cited above. 1. List of applicable FCC rules. KDB 996369 D03, Section 2.2 a. Only list rules related to the transmitter. 2. Summarize the specific operational use conditions. KDB 996369 D03, Section 2.3 a. Conditions such as limits on antennas, cable loss, reduction of power for point to point 3. Limited Module Procedures. KDB 996369 D03, Section 2.4 systems, professional installation info a. Describe alternative means that the grantee uses to verify the host meets the necessary limiting conditions b. When RF exposure evaluation is necessary, state how control will be maintained such that compliance is ensured, such as Class II for new hosts, etc. 4. Trace antenna designs. KDB 996369 D03, Section 2.5 a. Layout of trace design, parts list, antenna, connectors, isolation requirements, tests for design verification, and production test procedures for ensuring compliance. If confidential, the method used to keep confidential must be identified and information provided in the operational description. 5. RF exposure considerations. KDB 996369 D03, Section 2.6 a. Clearly and explicitly state conditions that allow host manufacturers to use the module. Two types of instructions are necessary: first to the host manufacturer to define conditions (mobile, portable xx cm from body) and second additional text needed to be provided to the end user in the host product manuals. 6. Antennas. KDB 996369 D03, Section 2.7 a. List of antennas included in the application and all applicable professional installer instructions when applicable. The antenna list shall also identify the antenna types

(monopole, PIFA, dipole, etc note that omni-directional is not considered a type) 7. Label and compliance information. KDB 996369 D03, Section 2.8 a. Advice to host integrators that they need to provide a physical or e-label stating Contains FCC ID: with their finished product 8. Information on test modes and additional testing requirements. KDB 996369 D03, Section 2.9 a. Test modes that should be taken into consideration by host integrators including clarifications necessary for stand-alone and simultaneous configurations. b. Provide information on how to configure test modes for evaluation 9. Additional testing, Part 15 Subpart B disclaimer. KDB 996369 D03, Section 2.10 Sincerely, By: ____________ ___________ ________SukiYu____________

(Signature/Title1)

(Print name)

- All Items shown to the left are provided in the Modular Integration Guide (or UM) for Full Modular Approval

(MA) or LMA.

- An LMA applies and is approved ONLY for use by the grantee in their own products, and not intended for sale to 3rd parties as provided in a separate cover letter. Therefore the information shown to the left is found in the theory of operation. 1 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead. 070920-02b

 

 

 

 

 

 

Hangzhou Kitchen Idea Technology Co., Ltd Declaration Letter We Hangzhou Kitchen Idea Technology Co., Ltd. hereby declare that the product RF Module /

SKI.WB800DS2.1 is capable of operating with channel 12 and 13 in regions other than the US and Canada. Versions of the product available for import and sale in the US and Canada, or any units marked with the FCC ID or IC certification number, will not operation on channels 12 and 13. It will not be possible for users and configure these channels in the US and Canada version. Installation of this product must comply with local regulations and codes. During deployment of the system and its initial setup, professional installer must ensure that the allowed EIRP limit is not exceeded (in the Country of exploitation of this equipment). Date: September 15, 2023 Thank you. Sincerely, : , By: Si hy Yus : Suki Yu

(Signature) (Print name) Title: Manager On behalf of: Hangzhou Kitchen Idea Technology Co., Ltd

(Company Name) Telephone: +86-13777468796

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FCC ID: 2A2KP-K2902 IC: 30295-K2902 SDR or Non-SDR device Cover Letter 1, Can the RF parameters of the device be altered through software?

No. 2. Can third parties not permitted by the Commission through specific filings modify, configure, or load different software, or make configuration settings to operate the device or host hardware radio frequency parameters (frequency range, modulation type, maximum output power or other radio parameters) in any other way than granted (or expected to be granted)?

No. 3. Is the device capable of operating in any other in any other way than granted, or will be, granted?

No. 4. Is this a Part 15 client device as defined in Section 15.202 (as opposed to a master device)?

No. 5. Does the manufacturer elect SDR?

No, not an SDR. According to the conclusion of the question, the product is not SDR. Thank you. Sincerely, By: Spee sine SUMO se es

(Signature) (Print name) Title: Manager On behalf of: Hangzhou Kitchen Idea Technology Co., Ltd

(Company Name) Telephone: +86-13777468796