FCC ID: 2AATL-6223H-SRD WIFI+BT Module

PRODUCT SPECIFICATION 6223H-SRD Wi-Fi Single-band 1x1 + Bluetooth 4.2 Combo Module Version: v1.0 FN-LINK TECHNOLOGY LIMITED 1 6223H-SRD Module Datasheet Part NO. Description Ordering Information FG6223HSRD-00 with shielding,PCB V1.0 RTL8723DS,b/g/n,Wi-Fi+BT4.2,1T1R,18X20mm,SDIO+Uart Customer:

Customer P/N:

Signature:

Date:

Office: 14th floor, Block B, phoenix zhigu, Xixiang Street, Baoan District, Shenzhen Factory: NO.8, Litong RD., Liuyang Economic & Technical Development Zone, Changsha, CHINA TEL:+86-755-2955-8186 Website:www.fn-link.com FN-LINK TECHNOLOGY LIMITED 2 6223H-SRD CONTENTS 1. General Description.............................................................................................................. 5 1.1 Introduction......................................................................................................................... 5 1.2 Description.......................................................................................................................... 5 2. Features....................................................................................................................................6 3. Block Diagram........................................................................................................................ 6 4. General Specification........................................................................................................... 7 4.1 2.4GHZ RF Specification.................................................................................................. 7 4.2 Bluetooth Specification..................................................................................................... 8 5. ID setting information........................................................................................................... 8 6. Pin Definition...........................................................................................................................9 6.1 Pin Outline...........................................................................................................................9 6.2 Pin Definition details.......................................................................................................... 9 7. Electrical Specifications.................................................................................................... 11 7.1 Power Supply DC Characteristics................................................................................. 11 7.2 Power Consumption........................................................................................................ 11 7.3 Interface Circuit time series............................................................................................11 7.3.1 SDIO interface features............................................................................................ 11 7.3.2 SDIO Power-on sequence.........................................................................................12 8. Size reference....................................................................................................................... 14 8.1 Module Picture................................................................................................................. 14 8.2 Marking Description.........................................................................................................14 8.3 Physical Dimensions....................................................................................................... 15 8.4 Layout Recommendation............................................................................................... 16 9. The Key Material List.......................................................................................................... 16 10. Reference Design.............................................................................................................. 17 11. Recommended Reflow Profile....................................................................................... 18 12. Package................................................................................................................................19 12.1 Reel................................................................................................................................. 19 12.2 Carrier Tape Detail........................................................................................................ 19 12.3 Packaging Detail............................................................................................................20 13. Moisture sensitivity...........................................................................................................21 FN-LINK TECHNOLOGY LIMITED 3 6223H-SRD Revision History Version Date Contents of Revision Change Draft Checked Approved V1.0 2022/02/24 New version FC Tzq Qjp FN-LINK TECHNOLOGY LIMITED 4 6223H-SRD 1. General Description 1.1 Introduction 6223H-SRD is a high-performance WiFi & BT dual-mode transparent transmission module based on RTL8723DS-CG scheme. The module WiFi supports IEEE 802.11b/g/n standard, BT part supports br / EDR 4.2 standard and ble4 0. The WiFi part integrates WLAN Mac, 1t1r baseband and and WLAN RF, supports 40m bandwidth, and the physical rate can be up to 150Mbps; BT part integrates BT protocol stack, BT baseband and BT RF. The data transmission interface supports sdio1 1 / 2.0 interface and hs-uart interface. It is suitable for many application scenarios such as smart home, smart building, smart security, smart medicine, industrial Internet of things and so on. 1.2 Description Model Name 6223H-SRD Product Description Support Wi-Fi/Bluetooth functionalities Dimension Wi-Fi Interface BT Interface OS supported L x W x H: 18 x 20 x2.5 mm Support SDIO2.0 UART Android /Linux/ Win CE /iOS /XP/WIN7/WIN10 Operating temperature 0C to 70C Storage temperature

-40C to 85C FN-LINK TECHNOLOGY LIMITED 5 6223H-SRD 2. Features General Features Support 20M and 40M bandwidth 2.4~2.4835GHz ISM bandsupporting IEEE 802.11b/g/n 1T1RMaximum physical rate150Mbps40MHz bandwidth support 802.11iWPAWPA2802.11e QoS EnhancementWMM Host Interface WLAN support SDIO Interface 3. Block Diagram FN-LINK TECHNOLOGY LIMITED 6 4. General Specification 4.1 2.4GHZ RF Specification Feature WLAN Standard Frequency Range Description IEEE 802.11 b/g/n Wi-Fi compliant 2.400 GHz ~ 2.4835 GHz (2.4 GHz ISM Band) Number of Channels 2.4GHzCh1 ~ Ch11 Test Items Typical Value Output Power 802.11g /54Mbps : 18dBm 2 dB 802.11b /11Mbps : 18dBm 2 dB Spectrum Mask Freq. Tolerance Test Items Receive Sensitivity

(11b,20MHz) @8% PER Receive Sensitivity

(11g,20MHz) @10% PER Receive Sensitivity

(11n,20MHz) @10% PER Receive Sensitivity

(11n,40MHz) @10% PER 802.11n /MCS7

: 18dBm 2 dB Meet with IEEE standard 20ppm TYP Test Value 11Mbps PER @ -87 dBm 54Mbps PER @ -73 dBm

- MCS=7 PER @ -70 dBm

- MCS=7, PER @ -67 dBm

6223H-SRD EVM EVM -10dB EVM -25dB EVM -28dB Standard Value

-76

-65

-64

-61 FN-LINK TECHNOLOGY LIMITED 7 6223H-SRD 4.2 Bluetooth Specification Feature Description General Specification Bluetooth Standard Bluetooth 2.1/4.2v4.2 BR/EDRv4.0 BLE Number of Channels 79 channels UART 2402 MHz ~ 2480 MHz GFSK, /4-DQPSK, 8-DPSK Host Interface Frequency Band Modulation RF Specification Min(dBm) Typical(dBm) Max(dBm) Output Power (BR/EDR/BLE) Sensitivity @ BER=0.1%

for GFSK (1Mbps) Sensitivity @ BER=0.01%

for /4-DQPSK (2Mbps) Sensitivity @ BER=0.01%

for 8DPSK (3Mbps) Sensitivity @PER=30.8% FOR BLE 7.9

-86

-78

-75

-95 Maximum Input Level

/4-DQPSK (2Mbps) :-20dBm GFSK (1Mbps):-20dBm 8DPSK (3Mbps) :-20dBm 5. ID setting information WI-FI Vendor ID Product ID

FN-LINK TECHNOLOGY LIMITED 8 6223H-SRD 6. Pin Definition 6.1 Pin Outline

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6.2 Pin Definition details NO. Name Type Description Voltage 1 2 3 4 5 6 7 8 GND GND Ground connections Ground connections BT_HOST_WAKE_DEV BT host wake-up device BT_DEV_WAKE_HOST BT device wake-up host WL_DEV_WAKE_HOST WiFi device wake-up host PCM_IN PCM_OUT PCM_SYNC PCM Input PCM Output PCM Sync O I I I O O FN-LINK TECHNOLOGY LIMITED 9 VDDIO VDDIO VDDIO 6223H-SRD VDDIO VDDIO VDDIO VDDIO I/O PCM Clock I UART Input Ground connections O I O UART_RTS UART_CTS UART Output IO I/O I/O SDIO data line 1 SDIO data line 0 Ground connections I SDIO clock line I/O I/O I/O Ground connections SDIO command line SDIO data line 3 SDIO data line 2 Ground connections Ground connections Ground connections Ground connections Ground connections Ground connections Ground connections 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 PCM_CLK UART_IN GND UART_RTS UART_CTS UART_OUT VDDIO SD_D1 SD_D0 GND SD_CLK GND SD_CMD SD_D3 SD_D2 GND GND GND GND GND VDD GND GND 32 BT_DIS#

33 SUSCLK_IN 34 WL_DIS#

35 36 37 GND GND GND I I I Pull high: ON , Pull low: OFF External pull low can disable BT External Clock input(32.768kHz). Can keep NC. Pull high: ON , Pull low: OFF External pull low can disable WL Ground connections Ground connections Ground connections 3.3V 3.3V P:POWER I:INPUT O:OUTPUT VDDIO:3.3V FN-LINK TECHNOLOGY LIMITED 10 6223H-SRD 7. Electrical Specifications 7.1 Power Supply DC Characteristics Operating Temperature VCC33 VDDIO MIN 0 3.0 1.62 TYP 25 3.3 1.8 or 3.3 MAX 70 3.6 3.6 Unit deg.C V V 7.2 Power Consumption Power Consumption

(Typical by using SWR) Wi-Fi only:

TBD 7.3 Interface Circuit time series 7.3.1 SDIO interface features PIN4 BT_DEV_WAKE_HOSTD suggests to do drop-down processingWhen the module is powered on, the low-level holding time shall be 200ms SDIO routing requirements:1. SDIO CLK routing shall surround the ground wire and be far away from CMD and data routing; 2. The number of via of SDIO routing layer shall be less than 4; 3. The length error of each routing line of SDIO shall be less than + / - 100mil, and the total length shall be less than 2.5inches;

SDIO interface characteristic requirements:

FN-LINK TECHNOLOGY LIMITED 11 6223H-SRD Mode Default MIN MAX HS DEF HS DEF HS DEF HS DEF HS DEF HS 10 10 0 0 7 7 5 6 5 2

Unit MHz MHz ns ns ns ns ns ns ns ns ns ns 25 50

14 14 NO fPP Parameter Clock Frequency TWL Clock Low Time TWH Clock High Time TISU Input Setup Time TIH Input Hold Time TODLY Output Delay Time 7.3.2 SDIO Power-on sequence FN-LINK TECHNOLOGY LIMITED 12 7.3.2 module power-on&off time sequence 6223H-SRD Note:

1. The power up ramp and power down ramp must meet the following table. 2. efuse If climbing process for a long time during power-on and power-off , It may cause efuse to be overwritten. 3. it is recommended to power on the module after platform side. 4. If your power on/off timing as below shown, must modify to meet the timing specification. FN-LINK TECHNOLOGY LIMITED 13 6223H-SRD 8. Size reference 8.1 Module Picture L x W : 18 x 20 (+0.3/-0.1) mm H: 2.5 (0.2) mm Weight 1.25g 8.2 Marking Description

< TOP VIEW >

FN-LINK TECHNOLOGY LIMITED 14 8.3 Physical Dimensions

<TOP View>

6223H-SRD FN-LINK TECHNOLOGY LIMITED 15 8.4 Layout Recommendation 6223H-SRD 9. The Key Material List Item Part Name Description Manufacturer 1 2 3 4 PCB 6223H-SRD 4L,FR4,18X20X0.8mm XY-PCB, GDKX, Sunlord, SLPCB Crystal 2520 24MHz 10pF 10ppm ECEC, Hosonic, TKD, JWT Chipset RTL8723DS-CG QFN48 Realtek Shielding 6223H-SRD Shielding FN-LINK TECHNOLOGY LIMITED 16 10. Reference Design 6223H-SRD Design requirements for the relative position between mhcwbt1p-b onboard antenna and the backplane: the module pin is placed close to the edge of the backplane, as shown in the figure below:

Note1. The distance between the module peripheral device pad and the module pad shall be at least greater than 1mm. 2. It is recommended that the module pad be made of stepped steel mesh. FN-LINK TECHNOLOGY LIMITED 17 6223H-SRD 11. Recommended Reflow Profile Referred to IPC/JEDEC standard. Peak Temperature : <250C Number of Times : 2 times FN-LINK TECHNOLOGY LIMITED 18 12. Package 12.1 Reel A roll of 800 pcs 6223H-SRD 12.2 Carrier Tape Detail FN-LINK TECHNOLOGY LIMITED 19 12.3 Packaging Detail the take-up package 6223H-SRD Using self-adhesive tape Color of plastic disc: blue NY bag size:*******

size 350*350*35mm The packing case size:360*210*370mmg FN-LINK TECHNOLOGY LIMITED 20 6223H-SRD 13. Moisture sensitivity J-STD-020, take care The Modules is a Moisture Sensitive Device level 3, in according with standard IPC/JEDEC all the relatives requirements for using this kind of components. Moreover, the customer has to take care of the following conditions:

a) Calculated shelf life in sealed bag: 12 months at <40C and <90% relative humidity (RH) b) Environmental condition during the production: 30C / 60% RH according to IPC/JEDEC J-STD-033A c) The maximum time between the opening of the sealed bag and the reflow process must be 168 hours if paragraph 5 condition b) IPC/JEDEC J-STD-033A paragraph 5.2 is respected d) Baking is required if conditions b) or c) are not respected e) Baking is required if the humidity indicator inside the bag indicates 10% RH or more FN-LINK TECHNOLOGY LIMITED 21 FCC Statements:

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. 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. Warning: Changes or modifications to this unit not expressly approved by the part responsible for compliance could void the users authority to operate the equipment. LABELING AND USER INFORMATION REQUIREMENTS OF THE END PRODUCT:

The final end product must be labelled in a visible area with the following Contains TX ID:

ID:

FCC 2AATL-6223H-SRD

. If the size of the end product is smaller than 8x10cm, then Contains Transmitter Module FCC 2AATL-6223H-SRD or

additional FCC part 15.19 statement is required to be available in the users manual: 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. A user's manual for the finished product should include one of the following statements:-

For a Class A digital device or peripheral, the instructions furnished the user shall include the following or similar statement, placed in a prominent location in the text of the manual:

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

- For a Class B digital device or peripheral, the instructions furnished the user shall include the following or similar statement, placed in a prominent location in the text of the manual:

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. The User's Manual for The finished product should include the following statements:

Any changes or modifications to this equipment not expressly approved by the OEM/Integrator may cause harmful interference and void the user's authority to operate this equipment. RF Exposure This device has been evaluated and shown compliant with the FCC RF Exposure limits under fixed exposure conditions (antennas are greater than 20cm from a persons body) when installed in certain specific OEM configurations. General Statements The module is limited to OEM installation only. The OEM integrator is responsible for ensuring that the end-user has no manual instruction to remove or install module. This module should be installed and operated with a minimum distance 20cm between the radiator and your body. OEM integrator shall equipped the antenna to compliance with antenna requirement part 15.203& 15.204 and must not be co-located or operating in conjunction with any other antenna or transmitters. And OEM host shall implement a Class II Permissive Change

(C2PC) or a new FCC ID to demonstrate complied with FCC standard. Changes or modifications not expressly approved by the manufacturer could void the user's authority to operate the module. The OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed. This module support Bluetooth 2402-2480MHz & 2.4G WLAN 2412-2462MHz which compliance with part 15.247.

C5266091_X10_Ed.1 FN-LINK TECHNOLOGY LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 5/20/2022 Subject: Request for Confidentiality FCC ID: 2AATL-6223H-SRD To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info Long-Term Confidentiality No No No No No No Short-Term Confidentiality No No No No No Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Jim Hu Title: Manager 1/1

C5266091_X8_Ed.1 Letter of Authorization 2AATL-6223H-SRD Company: FN-LINK TECHNOLOGY LIMITED Address: No.8, Litong Road, Liuyang Economic & Technical Development Zone, Changsha, Hunan China Product Name: WIFI+BT Module Model Number: 6223H-SRD FCC Identifier:

We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Jim Hu Title: Manager Signature of applicant:

Date: 5/20/2022 1/1

C5266091_X9_Ed.2 HUNAN FN-LINK TECHNOLOGY LIMITED Modular Transmitter Approval Request Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Company name: HUNAN FN-LINK TECHNOLOGY LIMITED FCC ID: 2AATL-6223H-SRD Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 Module Certification Guide v

. FCC ID: 2AATL-6223H-SRD has been examined against the following requirements. Items to be covered by Single modular transmitters. 02 Requirement per 15.212 and KDB 996369 D01 Modular Certification Guide v02 1. The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly 2. The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal 3. The module must contain power supply regulation on the module 4. The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) 5. The module must demonstrate compliance in a stand-

alone configuration 6. The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) 7. The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee 8. The module must comply with RF exposure requirements Explanation from Grantee

(do not write yes/no, but explain why product complies/how it is achieved) This requirement have been fulfilled, please reference exhibition External photo. The part number of the power regulator is U1 (RTL8723DS). The part number of the power regulator is U1 (RTL8723DS). The requirements of antenna connector and spurious emission have been fulfilled. Please reference the exhibition Test Report. Please reference exhibition Test Configuration Photo for the stand-alone test configuration. The instruction on the labelling rule of the end product has been stated in the Users manual of this module. Please also see the exhibition Label Sample. The required FCC rule has been fulfilled and all the instructions for maintaining compliance has been clearly stated in the Users Manual. Please refer exhibition RF Exposure for the compliance of MPE RF exposure rule. 1/1 C5266091_X9_Ed.2 Name: Jim Hu Title: Manager Signature of applicant Date: 2022/05/20 1/1