FCC ID: 2AL6KBL-M8821CS1 IEEE 802.11 a/b/g/n/ac(1T1R)WLAN with Bluetooth Module

BL-M8821CS1 SPECIFICATION IEEE 802.11 a/b/g/n/ac 1T1R WLAN with Bluetooth2.1/4.2 with SDIO and HS-UART MIXED INTERFACE Version: 1.0 BL-M8821CS1 Blink Approve Field QC QC SALES Customer Approve Field MANUFACTORY PURCHASING 0 Customer Date Model Name Part NO. ENGINEER ENGINEER B-LINK ELECTRONIC CO., LTD in shenzhen 1. General Description .............................................................................................................................. 2 Contents 2. The range of applying ........................................................................................................................... 2 3. Product Specification ............................................................................................................................ 2 3.1 Function Block diagram ............................................................................................................................. 2 3.2 Electrical and Performance Specification .................................................................................................. 3 3.3Power Supply DC Characteristics ................................................................................................................ 4 3.4 Product Photo ............................................................................................................................................ 6 3.5 Mechanical Specification ........................................................................................................................... 6 3.6 Product Pin Definition ............................................................................................................................... 7 4. Supported platform .............................................................................................................................. 8 5. Peripheral Schematic Reference Design ................................................................................................ 9 6. Package Information ............................................................................................................................ 9 7. Typical Solder ReflowProfile ................................................................................................................. 9 8. Precautions for use ............................................................................................................................ 10 1 B-LINK ELECTRONIC CO., LTD in shenzhen 1. General Description BL-M8821CS1 is a small size and low profile of WiFi+BT combo module with LGA (Land-Grid Array) footprint, board size is 12mm*12mm with module height of 2.35mm. It can beeasily manufactured on SMT process and highly suitable for tablet PC, ultra book, mobile device and consumer products. It provides GSPI/SDIO interface for WiFi to connect with host processor and high speed UART interface for BT. It also has a PCM interface for audio data transmission with direct link to external audio codec via BT controller. The WiFi data rate can go up to 433.3Mbps in theory by using 1stream 802.11a/b/g/n/ac MIMO technology and Bluetooth can support BT2.1+EDR/BT3.0 and BT4.2. 2. The range of applying MID, networking camera, STB GPS, E-book, Hard disk player, Network Radios, PSP, etc, the device which need be supported by wireless networking. 3. Product Specification 3.1 Function Block diagram 2 B-LINK ELECTRONIC CO., LTD in shenzhen 3.2 Electrical and Performance Specification Item Product Name Major Chipset Host Interface Standard Frequency Range Modulation Type Working Mode Data Transfer Rate Spread Spectrum Sensitivity @PER RF Power(Typical) Antenna type Dimension(L*W*H) Power supply Power Consumption Description BL-M8821CS1 RTL8821CS SDIO 1.1/ 2.0/ 3.0 WiFi: IEEE802.11a, IEEE802.11b, IEEE802.11g, IEEE802.11n, IEEE802.11ac, BT: BT V2.1 BR+EDR, BT V3.0+HS, BT V4.0 LE+ BR/EDR , BT V4.1, BT V4.2 BT:2.402~2.48GHz(BT) 2.4GWIFI:2.412~2.472GHz(USA B5GWIFI:5.18~5.24GHz/5.745~5.825GHz Wifi802.11b: CCK, DQPSK, DBPSK 13 channels) 11Channels, Europe others and 802.11a/g: 64-QAM, 16-QAM, QPSK, BPSK 802.11n: 64-QAM, 16-QAM, QPSK, BPSK 802.11ac: 256-QAM, 64-QAM, 16-QAM, QPSK, BPSK BT: 8DPSK, /4 DQPSK, GFSK Infrastructure, Ad-Hoc Wifi802.11b: 11, 5.5, 2, 1 Mbps 802.11a/g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps 802.11n: MCS 0 to 7 for HT20/HT40 802.11ac: MCS 0 to 9 for VHT80 BT: 1 Mbps for Basic Rate and LE Mode; 2,3 Mbps for Enhanced Data Rate IEEE 802.11b: DSSS (Direct Sequence Spread Spectrum) IEEE 802.11a/g/n/ac:OFDM (Orthogonal Frequency Division Multiplexing) BT: FHSS(Frequency-Hopping Spread Spectrum) WiFi: 11ac: mcs9 VHT80: -58dBm@10%PER 135M:-68dBm@10%PER 54M:-75dBm@10%PER 11M:-86dBm@10%PER 6M: -90dBm@10%PER 1M: -92dBm@10%PER;

BT: -89dBm@1Mbps, -85dBm@2Mbps, -83dBm@3Mbps 2.4GWiFi:15.98dBm(Max) 5.2GWiFi:11.98dBm(Max) 5.8GWiFi:9.86dBm(Max) 4.96dBm(Max) BT:

BLE:3.56dBm(Max) Connect to the external antenna through the half hole 12.0*12.0*2.35mm (LxWxH) Tolerance: +-0.15mm 3.3V +/-0.2V standby mode 82mA@3.3V , TX mode 350mA@3.3V 3 B-LINK ELECTRONIC CO., LTD in shenzhen Working Temperature Storage temperature

-10C to +50C

-40C to +85C 3.3Power Supply DC Characteristics Vcc=3.3VTa= 25 Cunit: mA Supply current Standby (RF disabled) 802.11b Supply current TX mode RX mode 802.11g Supply current TX mode RX mode 802.11n HT20 Supply current TX mode RX mode 802.11n HT40 Supply current TX mode RX mode 802.11ac VHT80 Supply current TX mode RX mode Typ. 82 1Mbps 6Mbps MCS0 MCS0 MCS0 Max. 335 95 Max. 235 94 Max. 230 94 Max. 225 95 Max. 155 95 Typ. 350 90 Typ. 250 90 Typ. 240 90 Typ. 235 90 Typ. 166 90 Max 89 11Mbps 54Mbps MCS7 MCS7 MCS9 Max. 320 96 Max. 110 98 Max. 105 99 Max. 100 99 Max. 105 99 Typ. 330 92 Typ. 120 95 Typ. 115 98 Typ. 110 98 Typ. 115 98 4 B-LINK ELECTRONIC CO., LTD in shenzhen 3.4 Product Photo TOP Bottom 3.5 Mechanical Specification Tolerance: +-0.15mm 5 B-LINK ELECTRONIC CO., LTD in shenzhen 3.6 Product Pin Definition Pin No 1 2 3 4,5 6 7 8 9 10,11 12 13 14 15 16 17 18 19 20 21 22 Function GND WIFI/BT_ANT GND NC BT_WAKE BT_HOST_WAKE NC VABT NC WL_DSI#

Description Grond WIFI/BT_ANT Grond NC HOST wake-up Bluetooth device Bluetooth device to wake-up HOST NC Battery LDO input,5.5V-2.8V NC Shared with GPIO9 This Pin Can Externally Shutdown the RTL8821CS WLAN function when WL_DIS# is Pulled Low. When this pin pulled low, SDIO interface will be disabled. WL_HOST_WAKE WLAN to wake-up HOST SD_D2 SD_D3 SD_CMD SD_CLK SD_D0 SD_D1 GND NC VDD_IO SDIO data line 2 SDIO data line 3 SDIO command line SDIO CLK line SDIO data line 0 SDIO data line 1 Grond NC supply voltage for SDIO IO/3.3V 6 B-LINK ELECTRONIC CO., LTD in shenzhen NC NC SUSCLK_IN Shared with EECS. External 32K or RTC clock input PCM_DOUT PCM_CLK PCM_DIN PCM_SYNC NC GND NC GND BT_DIS#

NC GND NC UART_RTS UART_OUT UART_IN UART_CTS PCM Data output PCM Clock PCM data input PCM sync signal NC Grond NC Grond Shared with GPIO11 This Pin Can Externally Shutdown the RTL8821CS WLAN function when BT_DIS#is Pulled Low. When this pin pulled low, UART interface will be also disabled. NC Grond NC UART_RTS HOST Data output HOST Data input UART_CTS 23 24 25 26 27 28 29,30 31 32 33 34 35 36 37,38,39,40 41 42 43 44 4. Supported platform Operating System CPU Framework LINUX(kernel2.6.35~3.18.17) ARM, MIPSII Driver Enable 7 B-LINK ELECTRONIC CO., LTD in shenzhen 5. Peripheral Schematic Reference Design 6. Package Information 8 B-LINK ELECTRONIC CO., LTD in shenzhen 7. Typical Solder ReflowProfile 8. Precautions for use 1. Pls handle the module under ESD protection. 2. Reflow soldering shall be done according to the solder reflow profile. Peak temperature 245. 3.Products require baking before mounting if humidity indicator cards reads >30% temp <30 degree C, humidity

< 70% RH, over 96 hours. Baking condition: 125 degree C, 12 hours Baking times: 1 time 4. Storage Condition: Moisture barrier bag must be stored under 30 degree C, humidity under 85% RH. The calculated shelf life for the dry packed product shall be a 12 months from the bag seal date. Humidity indicator cards must be blue, <30%. 9 FCC Statement This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) thi s device may not cause harmful interference, and (2) this device must accept any interference received, incl uding interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursua nt to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful inte rference in a residential installation. This equipment generates uses and can radiate radio frequency energy a nd, if not installed and used in accordance with the instructions, may cause harmful interference to radio com munications. 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 turn ing 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 important announcement Important Note:

Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Country Code selection feature to be disabled for products marketed to the US/Canada. This device is intended only for OEM integrators under the following conditions:

1. The antenna must be installed such that 20 cm is maintained between the antenna and users, and 2. The transmitter module may not be co-located with any other transmitter or antenna, 3. For all products market in US, OEM has to limit the operation channels in CH1 to CH11 for 2.4G band by supplied firmware programming tool. OEM shall not supply any tool or info to the end-user regarding to Regulatory Domain change. (if modular only test Channel 1-11) As long as the three conditions above are met, further transmitter testing will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed. Important Note:

In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. End Product Labeling The final end product must be labeled in a visible area with the following" Contains FCC ID: 2AL6KBL-

M8821CS1 "

Manual Information to the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the users manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01 2.2 List of applicable FCC rules CFR 47 FCC PART 15 SUBPART C has been investigated. It is applicable to the modular transmitter 2.3 Specific operational use conditions This module is stand-alone modular. If the end product will involve the Multiple simultaneously transmitting condition or different operational conditions for a stand-alone modular transmitter in a host, host manufacturer have to consult with module manufacturer for the installation method in end system. 2.4 Limited module procedures Not applicable 2.5 Trace antenna designs Not applicable 2.6 RF exposure considerations This equipment installed and operated with minimum distance 20cm between the radiator & your body. 2.7 Antennas This radio transmitter antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device. complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be Communications Commission to operate with the gain has been approved by Federal 2AL6KBL-M8821CS1 Model Type Connector 2400-2483.5 5150-5250 5250-5350 5470-5725 5725-5850 Peak gain ( dBi ) MHz MHz MHz MHz 2400-2483.5 MHz 2.4GWIFI 5GWIFI PIFA/

Dipole PIFA/

Dipole PIFA/

Dipole

MHz 2.0dBi 2.0dBi

2.0dBi

2.0dBi 2.8 Label and compliance information The final end product must be labeled in a visible area with the following" Contains FCC ID:2AL6KBL-M8821CS1". 2.9 Information on test modes and additional testing requirements Host manufacturer is strongly recommended to confirm compliance with FCC requirements for the transmitter when the module is installed in the host. 2.10 Additional testing, Part 15 Subpart B disclaimer Host manufacturer is responsible for compliance of the host system with module installed with all other applicable requirements for the system such as Part 15 B.

Label Location LABEL AND LOCATION Model No.: BL-M8821CS1 FCCID: 2AL6KBL-M8821CS1

(Size: L1.0cm x 1.0cm) _____________________________________________________________________________________________________

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046

<2019-12-25>

TO WHOM IT MAY CONCERN Pursuant to Paragraphs 0.457 and 0.459 of the Commissions Rules (47 C.F.R.) and Section 552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products:

FCC ID 2AL6KBL-M8821CS1 For the product stated above, we request that the following information be held confidential;

Model name BL-M8821CS1 Exhibits Long-Term Short-Term Short-Term Confidentiality Confidentiality Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos Declaration Letter of Software Security Requirements Users Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely,

(Signed) Name / Title: Hanbing Deng / Manager Company: Shenzhen Bilian Electronic Co.,Ltd. Address: Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China Phone: 18118768735 Fax: 0755-24665666 E-Mail: 516371599@qq.com

Shenzhen Bilian Electronic Co.,Ltd. Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China UNII Device Declaration Letter To whom it may concern:

We have declared below featured for FCC equipment authorization, Device FCC ID: 2AL6KBL-M8821CS1

(1) DFS Device:

Master N/A Client with Radar detection capability Client without radar detection capability,

(2) Active / Passive Scanning , adhoc mode access point capability Frequency Band (MHz) 2412-2462 5180-5240 5190-5230 5210-5210 5745-5825 5755-5795 5775-5775 Active Scanning

(the device can transmit a probe

(beacon)) Yes Yes Yes Yes Yes Yes Yes No No No No No No No passive scanning

(where the device is can listen only with no probes) No No No No No No No Yes Yes Yes Yes Yes Yes Yes

(3) Country code selection ability Yes If yes, pls explain how it was implemented:

No

(4) Meet 15.202 requirement Yes No pls check below :

Ad Hoc Mode capability Access point capability Yes Yes Yes Yes Yes Yes Yes No No No No No No No Yes Yes Yes Yes Yes Yes Yes No No No No No No No A master device is defined as a device operating in a mode in which it has the capability to transmit without receiving an enabling signal. In this mode it is able to select a channel and initiate a network by sending enabling signals to other devices A client device is defined as a device operating in a mode in which the transmissions of the device are under control of the master. A device in client mode is not able to initiate a network.

(5) For client devices that have software configuration control to operate in different modes (active scanning in some and passive scanning in others) in different bands (devices with multiple equipment classes or those that operate on non-DFS frequencies) or modular devices which configure the modes of operations through software, the application must provide software and operations description on how the software and / or hardware is implemented to ensure that proper operations modes cannot be modified by end user or an installer. Apply Does not apply

(If apply, pls help to provide explanation on it was implement, and how software was controlled) Should you have any questions or comments regarding this matter, please have my best attention. Sincerely,

(Signed) Name / Title: Hanbing Deng / Manager Company: Shenzhen Bilian Electronic Co.,Ltd. Address: Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China Phone: 18118768735 Fax: 0755-24665666 E-Mail: 516371599@qq.com

Shenzhen Bilian Electronic Co.,Ltd. Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern:

Dec.25, 2019 We, Shenzhen Bilian Electronic Co.,Ltd. the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2AL6KBL-M8821CS1 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely,

(Signed) Name / Title: Hanbing Deng / Manager Company: Shenzhen Bilian Electronic Co.,Ltd. Address: Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China Phone: 18118768735 Fax: 0755-24665666 E-Mail: 516371599@qq.com

Shenzhen Bilian Electronic Co.,Ltd. Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China Module Approval Request Letter 2019-12-25 To:

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subjects: Module Approval Request Letter The Device,FCC ID: 2AL6KBL- M8821CS1, is seeking FCC authorization as a modular transmitter. The EUT meets the requirement for modular approval as detailed in FCC Public Notice DA 00-1407. Compliance to each of the requirement is described below:

(a) The radio elements must have the radio frequency circuitry be shielded. Physical/discrete and tuning capacitors may be located external to the shield, but must be on the module assembly. Yes the module with a shield.

(b) The module shall have buffered modulation/data input(s) (if such inputs are provided) to ensure that the module will comply with the requirements set out in the applicable RSS standard under conditions of excessive data rates or over-modulation. Yes.

(c) The module shall have its own power supply regulation on the module. This is to ensure that the module will comply with the requirements set out in the applicable standard regardless of the design of the power supplying circuitry in the host device which houses the module. The modular has an onboard 3.3V regulator(integrated in RTL8821CS).

(d) The module shall comply with the provisions for external power amplifiers and antennas detailed in this standard. The equipment certification submission shall contain a detailed description of the configuration of all antennas that will be used with the module. The modular has a External antenna which comply with the antenna requirement of Section 15.203.

(e) The module shall be tested for compliance with the applicable standard in a stand-alone configuration, i.e. the module must not be inside another device during testing. The modular was tested in a standalone configuration apart from host units.

(f) The module shall comply with the Category I equipment labeling requirements and CFR 15.212(a)(1)(vi). The modular has its own FCC ID number.

(g) The module shall comply with any applicable FCC RF exposure requirement which are based on the intended use/configurations. Yes, RF cexposure evaluation performed at 20cm.

(h) The modular transmitter complies with all applicable FCC rules. Instructions for maintaining compliance are given in the user instructions. Yes If you have any questions, please feel free to contact us at the address shown below Sincerely, Name / Title: Hanbing Deng / Manager Company: Shenzhen Bilian Electronic Co.,Ltd. Address: Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China Phone: 18118768735 Fax: 0755-24665666 E-Mail: 516371599@qq.com

Shenzhen Bilian Electronic Co.,Ltd. Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China Date: Dec.25, 2019 FCC ID: 2AL6KBL-M8821CS1 Model Number: BL-M8821CS1 To:

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD To Whom It May Concern, We, Shenzhen Bilian Electronic Co.,Ltd., declare that this EUT (FCC ID:

2AL6KBL-M8821CS1) doesnt have Ad Hoc mode function on non-US/Canada frequencies. In addition. The frequency selection feature is disabled by firmware for devices marked to the US/Canada. For DTS part of this device, only channels 1-11 will be used in North America, Country code selection is disabled. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely,

(Signed) Name / Title: Hanbing Deng / Manager Company: Shenzhen Bilian Electronic Co.,Ltd. Address: Building B1,Zhongxing Industrial Zone,Juling,Jutang Community, Guanlan street,Longhua New District, Shenzhen,Guangdong,P.R. China Phone: 18118768735 Fax: 0755-24665666 E-Mail: 516371599@qq.com