FCC ID: 2AVEDBL-M7668BU2 EEE802.11a/b/g/n/ac2T2R WIFI+BT5.0ADIO Module

Product Specification Revision Date Model Name ProductName Engineer V1.0 2019-06-11 BL-M7668BU2 IEEE 802.11a/b/g/n/ac/(2T2R) WLAN + BT5.0 USBModule Bilian Approve Field QC Sales Customer Approve Field Purchasing Engineer QC Manufactory MO:13662644686 Table of Contents Revision History .......................................................................................... 1 1. Introduction ............................................................................................................. 1 1.1 General Description .............................................................................................. 1.2 Features ............................................................................................................... 1.3 Applications .......................................................................................................... 2. Functional Block Diagram ................................................................................... 2 3. Product Technical Specifications ....................................................................... 3 3.1 General Specifications .......................................................................................... 3.2 DC Power Consumption ....................................................................................... 3.3 RF Specifications .................................................................................................. 3.4Bluetooth RF Specification .................................................................................... 4. Pin Assignments .................................................................................................... 8 5.Typical Application Circuit .................................................................................... 9 6. Mechanical Specifications ................................................................................. 10 7. Others ..................................................................................................................... 11 7.1 Package Information ............................................................................................. 7.2 Storage Temperature and Humidity ...................................................................... 7.3 Recommended Reflow Profile .............................................................................. 0 Revision History Date 2019/06/11 Document Revision Product Revision Description 1.0 V1.0 Preliminary release 1. Introduction 1.1 General Description The BL-M7668BU2 is a highly integrated 2*2 802.11a/b/g/n/ac Wireless LAN (WLAN) network and bluetooth combo module. USB 1.0/1.1/2.0 interface. It combines a WLAN MAC, a 2T2R capable WLAN baseband, and bluetooth support 5.0 performance. The BL-M7668BU2 module provides a complete solution for a high throughputperformance integrated wireless LAN and BT device. Figure 1 Top View Figure 2 Bottom View

(7638&7668 use same pcb board) 1.2 Features IEEE Standards : IEEE 802.11a/b/g/n/ac l Operating Frequencies : 2.4~2.4835&5.15~5.835GHz l Host Interface is USB2.0 l l Wireless data rate can reach up to 867Mbps l Bluetooth support 5.0/4.2 LE/4.1/3.0/2.1 l Antenna connected though IPEX connector l Power Supply:3.3V0.3V 1.3 Applications IP Camera l l STB l Smart TV l E-book l Other devices which need to be supported by wireless network 1 2. Functional Block Diagram Figure 3 BL-M7668BU2 block diagram 2 3 . Product Technical Specifications 3.1 General Specifications Item Product Name Main Chip Host Interface IEEE Standards Operating Frequencies Modulation Working Mode Wireless Data Rate Rx Sensitivity TX Power Antenna Type Dimension(L*W*H) Power Supply Clock Source Working Temperature Storage Temperature Description BL-M7668BU2 MT7668AU USB 2.0 IEEE 802.11a/b/g/n/ac 2.4~2.4835&5.15~5.835GHz WIFI:

802.11b: CCK, DQPSK, DBPSK 802.11g: 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,/4DQPSK, GFSK Infrastructure, Ad-Hoc WIFI:

802.11b: 1, 2 ,5.5,11Mbps, 802.11g: 6,9,12,18,24,36,48,54Mbps, 802.11a: 6,9,12,18,24,36,48,54Mbps, 802.11n-2.4&5G HT20: MCS0~15, 6.5~144Mbps, 802.11n-2.4&5G HT40: MCS0~15, 13.5~300Mbps, 802.11ac-VHT20/40:MCS0~8 ,VHT80:MCS0~9reach up to 867Mbps, BT:

1Mbps for Basic Rate 2,3Mbps for Enhanced Date Rate

-95dBm (Min) 17.77dBm Connect though IPEX connector 27*17.7*3.1mm (L*W*H) Tolerance: 0.15mm 3.3V0.3V /900mA max 40MHz

-10C to +70C

-40C to +85C

(Max) 3 ESD CAUTION: Although this module is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this module. It must be protected from ESD at all times and handled under the protection of ESD. 3.2 DC Power Consumption VDD=3.3VTa= 25 Cunit: mA Supply current RX sense mode(No Link) 802.11b Supply current Continuous TX mode RX mode 802.11g Supply current Continuous TX mode RX mode 802.11n HT20 Supply current Continuous TX mode RX mode 802.11n HT20 Supply current Continuous TX mode RX mode 802.11n HT40 Supply current Continuous TX mode RX mode 802.11n HT40 Supply current Continuous TX mode RX mode 1Mbps 6Mbps MCS0 MCS8 MCS0 MCS8 Typ. 551 52 Typ. 417 56 Typ. 408 65 Typ. 420 82 Typ. 425 75 Typ. 430 95 Typ 65 Max. 660 108 Max. 440 98 Max. 430 100 Max. 450 105 Max. 449 102 Max. 462 108 4 Max 100 11Mbps 54Mbps MCS7 MCS15 MCS7 MCS15 Max. 580 105 Max. 420 100 Max. 412 95 Max. 435 110 Max. 426 95 Max. 425 103 Typ. 546 56 Typ. 335 57 Typ. 380 70 Typ. 390 90 Typ. 400 80 Typ. 413 86 802.11a Supply current Continuous TX mode RX mode 802.11n HT20(5G) Supply current Continuous TX mode RX mode 802.11n HT40(5G) Supply current Continuous TX mode RX mode 802.11nAC80(5G) Supply current Continuous TX mode RX mode 3.3 RF Specifications TX Power&EVM 6Mbps MCS0 MCS0 MCS0 Typ. 702 68 Typ. 721 75 Typ. 723 80 Typ. 712 80 Max. 862 94 Max. 836 106 Max. 831 105 Max. 880 95 54Mbps MCS7 MCS15 MCS9 Max. 868 100 Max. 736 105 Max. 721 113 Max. 732 116 Typ. 765 72 Typ. 700 80 Typ. 686 90 Typ. 692 92 11Mbps 54Mbps WiFi-2.4G:

EVM<-15dB@11b EVM<-25dB@11g EVM<-28dB@11n-HT20-2.4G-MCS7 EVM<-28dB@11n-HT40-2.4G-MCS7 EVM<-25dB@11a EVM<-28dB@11n-HT20-MCS7 EVM<-28dB@11n-HT40-MCS7 EVM<-32dB@11acMCS9 54Mbps WiFi-5G:

Receiver Minimum Input Sensitivity@PER WiFi-2.4G:

11b 1Mbps: -95dBm@PER<8%;

11b 11Mbps:-85dBm@PER<8%;

11g 54Mbps:-73dBm@PER<10%;

11n-HT20-MCS7:-70dBm@PER<10%;

11n-HT40-MCS7:-67dBm@PER<10%;

WiFi-5G:

11a6Mbps: -91dBm@PER<10%;

11a54Mbps:-73dBm@PER<10%;

5 11n-HT20-MCS7:-70dBm@PER<10%;

11n-HT40-MCS7:-68dBm@PER<10%;

11acVHT80-MCS9:-59dBm@PER<10%;

3.4 Bluetooth RF Specification RF Characteristics for BT Items Host Interface Specification Modulation Channel frequency Data rate TX Characteristics Power level(BR/EDR) Power level(BLE) RX Characteristics Minimum input level(Muti-slot packages sensitivity mode<0.1%) Contents USB 5.0/4.2 LE/4.1/3.0/2.1 FHSS:GFSK, /4-DQPSK, 8DPSK 2.402~2.480 1Mbps,2Mbps,3Mbps GHz min. 0 0 min.

-90 typ. 2 2 typ.

-83 max. 5 5 max.

-80 Unit dBm dBm Unit dBm 6 4. Pin Assignments Figure 4 Pin Assignments (Top view) Pin No Pin Name Type Description 1 2 3 4 5 6 7 8 9 10 11 12 GND RF0 GND GND RF1 GND LED GND DP+

DM-

3.3V PDN P GND I/O WIFI RF port0 (NC) P P GND GND I/O WIFI RF port1 (NC) P GND I/O LED signal pin(not use) P I/O I/O P GND USB differential data line USB differential data line Power supply I/O Reset signal pin (active low ) 7 5. Typical Application Circuit RF reference circuit NOTE RF port connect to antenna though IPEX connector. Figure 5 Typical application circuit 9 6. Mechanical Specifications Module dimension: Typical ( L*W * H): 27*17.7*3.1mm (L*W*H) Tolerance: 0.15mm Figure 6Module dimension 10 7. Others 7.1 Package Information Figure 7 Package Information 7.2 Storage Temperature and Humidity 1. Storage Condition: Moisture barrier bag must be stored under 30, 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%. 2.Products require baking before mounting if humidity indicator cards reads > 30% temp < 30, humidity < 70% RH, over 96 hours. Baking condition: 125, 12 hours. Baking times: 1 time. 7.3 Recommended Reflow Profile Reflow soldering shall be done according to the solder reflow profile,Typical Solder Reflow Profile is illustrated in Figures 8. The peak temperature is 245. Figure 8 Typical Solder Reflow Profile 11 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 20cm 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: 2AVEDBL-

M7668BU2 ". 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 complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. 2.7 Antennas This radio transmitter 2AVEDBL-M7668BU2 has been approved by Federal Communications Commission to operate with the antenna types listed below, with the maximum permissible gain indicated. 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. 2.8 Label and compliance information The final end product must be labeled in a visible area with the following" Contains FCC ID:2AVEDBL-M7668BU2". 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 AND LOCATION Model No.: BL-M7668BU2 FCC ID: 2AVEDBL-M7668BU2 Label Location

(Size: L1.5cm 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

<2019-12-20>

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 2AVEDBL-M7668BU2 For the product stated above, we request that the following information be held confidential;

Model name BL-M7668BU2 Exhibits Long-Term Short-Term Short-Term Confidentiality Confidentiality Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos 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: Haiyun Peng/sales director Company: Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. Address: 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua district, Shenzhen, Guangdong, P.R. China Phone: 13662644686 Fax: 0755-28164675 E-Mail: J31228@126.com

Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua 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:

2019/12/20 We, Shenzhen Feng Ruixiang Intelligent Technology 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: 2AVEDBL-M7668BU2 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: Haiyun Peng/sales director Company: Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. Address: 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua district, Shenzhen, Guangdong, P.R. China Phone: 13662644686 Fax: 0755-28164675 E-Mail: J31228@126.com

Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua district, Shenzhen, Guangdong, P.R. China Module Approval Request Letter 2019-12-20 To:

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subjects: Limited Module Approval Request Letter The Device,FCC ID: 2AVEDBL-M7668BU2, 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. The modular 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 MT7668AU).

(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 PFC 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

(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: Haiyun Peng/sales director Company: Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. Address: 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua district, Shenzhen, Guangdong, P.R. China Phone: 13662644686 Fax: 0755-28164675 E-Mail: J31228@126.com

Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua 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: 2AVEDBL-M7668BU2

(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: Haiyun Peng/sales director Company: Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. Address: 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua district, Shenzhen, Guangdong, P.R. China Phone: 13662644686 Fax: 0755-28164675 E-Mail: J31228@126.com

Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua district, Shenzhen, Guangdong, P.R. China Date: Dec. 20, 2019 FCC ID: 2AVEDBL-M7668BU2 Model Number: BL-M7668BU2 To:

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

2AVEDBL-M7668BU2) 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: Haiyun Peng/sales director Company: Shenzhen Feng Ruixiang Intelligent Technology Co., Ltd. Address: 302, Building 6, no.4 Zhongxing road, Zhangge community, Fucheng street, Longhua district, Shenzhen, Guangdong, P.R. China Phone: 13662644686 Fax: 0755-28164675 E-Mail: J31228@126.com