Dahua 8812CU3 User Manual
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Dahua 8812CU3 User Manual

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8812CU3
User Manual

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Summary of Contents for Dahua 8812CU3

  • Page 1 8812CU3 User Manual...

  • Page 2: Revision History

    (Top View) Module Name: Module Type: 802.11ac 867Mbps 2T2R WiFi USB Module Revision: V1.0 Customer Approval: Company: Title: Signature: Date: BL-link Approval: Title: Signature: Date: Revision History Revision Summary Release Date Initial release 2020-05-20 Official release (change product picture) 2020-06-24 http://www.b-link.net.cn...

  • Page 3: Block Diagram

    1. Introduction 8812CU3 is a highly integrated 2*2 dual-band wireless LAN module. It combines a WLAN MAC, a 2T2R capable WLAN base band，a dual-band WLAN radio. It supports IEEE 802.11a/b/g/n/ac standard and provides the highest PHY rate up to 867Mbps, It can offer feature-rich wireless connectivity and reliable throughput from an extended distance.

  • Page 4: Pin Assignments

    Power Supply VDD 3.3V±0.2V @850mA Max Operation Temperature -20℃ to +70℃ Operation Humidity 10% to 95% RH (Non-Condensing) 2. Pin Assignments (Top View) 2.1 Pin Definition Pin Name Type Description Supply RF Ground NC (Reserved for 2.4/5G-ANT1) RF Ground RF Ground NC (Reserved for 2.4/5G-ANT0) RF Ground WiFi_LED Pin (Active Low, external current limiting...

  • Page 5: Electrical And Thermal Specifications

    Module (Active Low, internal pull high by 47K resistor) IPEX0 2.4/5G-ANT0 2.4G / 5G RF to IPEX connector for ANT0 IPEX1 2.4/5G-ANT1 2.4G / 5G RF to IPEX connector for ANT1 P: Power, I: Input, O: Output, I/O: In/Output, RF: Analog RF Port 3.
  • Page 6 2.4G RX (RF-Test，1RX) 11Mbps 2.4G TX (RF-Test，1TX) for 16dBm 6Mbps 2.4G RX (RF-Test，1RX) 6Mbps 2.4G TX (RF-Test，1TX) for 16dBm 54Mbps 2.4G RX (RF-Test，1RX) 54Mbps 2.4G TX (RF-Test，2TX) for 16dBm MCS15(HT20) 2.4G RX (RF-Test，2RX) MCS15(HT20) 2.4G TX (RF-Test，2TX) for 16dBm MCS15(HT40) 2.4G RX (RF-Test，2RX) MCS15(HT40)

  • Page 7: Wifi Rf Specification

    Frequency Range 2.4~2.4835GHz (2.4GHz ISM Band) Channels Ch1~Ch11 (For 20MHz Channels) 802.11b (DSSS): DBPSK, DQPSK, CCK; Modulation 802.11g (OFDM): BPSK, QPSK, 16QAM, 64QAM; 802.11n (OFDM): BPSK, QPSK, 16QAM, 64QAM; 802.11b: 1, 2, 5.5, 11Mbps; 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps; 802.11n (HT20): MCS0~MCS7(1T1R_SISO) 6.5~72.2Mbps;...
  • Page 8 5.15~5.25GHz; 5.25~5.35GHz; 5.47~5.725GHz; Frequency Range 5.725~5.85GHz (5GHz ISM Band) Ch36, Ch40, Ch44, Ch48; Ch52~Ch64; Ch100~Ch140; Channels Ch149~Ch165 (For 20MHz Channels) 802.11a (OFDM): BPSK, QPSK, 16QAM, 64QAM; Modulation 802.11n (OFDM): BPSK, QPSK, 16QAM, 64QAM; 802.11ac (OFDM): BPSK, QPSK, 16QAM, 64QAM, 256QAM; 802.11a: 6, 9, 12, 18, 24, 36, 48, 54Mbps;...
  • Page 9 802.11n@HT20_MCS7 16dBm ±2dBm ≦-28dB 802.11ac@VHT20_MCS7 802.11n@HT40_MCS0 16dBm ±2dBm ≦-10dB 802.11ac@VHT40_MCS0 802.11n@HT40_MCS7 16dBm ±2dBm ≦-28dB 802.11ac@VHT40_MCS7 802.11ac@VHT20_MCS8 16dBm ±2dBm ≦-30dB 802.11ac@VHT40_MCS8 16dBm ±2dBm ≦-32dB 802.11ac@VHT40_MCS9 802.11ac@VHT80_MCS0 14dBm ±2dBm ≦-10dB 802.11ac@VHT80_MCS9 14dBm ±2dBm ≦-32dB 5G Receiver Specifications (Ant0/Ant1) RX Rate Min Input Level(Typ) Max Input Level(Typ) 802.11a@6Mbps -90dBm...

  • Page 10: Mechanical Specifications

    5. Mechanical Specifications 5.1 Module Outline Drawing (Top View) Module dimension: 27.0mm*17.8mm*3.1mm （L*W*H , Tolerance: ±0.15mm） IPEX connector dimension: 2.6*3.0*1.2mm (L*W*H, Ø2.0mm) http://www.b-link.net.cn...
  • Page 11 Module Bow and Twist：≤0.1mm 5.2 Mechanical Dimensions (Top View) (Bottom View) http://www.b-link.net.cn...

  • Page 12: Application Information

    6. Application Information 6.1 Typical Application Circuit BL-M8812CU3 Module Crystal Host 2G RF 2.4/5G Ant0 Controller 5G RF Diplexer Dual USB_DP Band USB_DM USB2.0 Host RTL8812CU 2G RF Ant1 VDD3.3V Diplexer 5G RF Power DC-DC 6.2 Recommend PCB Layout Footprint (Bottom View) http://www.b-link.net.cn...
  • Page 13 6.3 Reflow Soldering Standard Conditions Please use the reflow within 2 times. Set up the highest temperature within 250℃. 7. Key Components Of Module Parts Specification Manufacturer Note Chipset RTL8812CU-CG Realtek Shen Zhen Tie Fa Technology limited BL-M8812CU3 MILLION SOURCE PRINTED CIRCUIT BOARD CO., LTD Quzhou Sunlord Electronics Co., Ltd HUBEI TKD ELECTRONICS TECHNOLOGY CO., LTD.

  • Page 14: Package Dimensions

    8. Package and Storage Information 8.1 Package Dimensions Package specification: 1. 700 modules per roll and 2,800 modules per box. 2. Outer box size: 37.5*36*29cm. 3. The diameter of the blue environment-friendly rubber plate is 13 inches, with a total thickness of 48mm (with a width of 44mm carrying belt). 4.

  • Page 15: Storage Conditions

    8.2 Storage Conditions Absolute Maximum Ratings: Storage temperature: -45℃ to +85℃ Storage humidity: 10% to 95% RH（Non-Condensing） Recommended Storage Conditions: Storage temperature: 5℃ to +40℃ Storage humidity: 20% to 90% RH Please use this Module within 12month after vacuum-packaged. The Module shall be stored without opening the packing. After the packing opened, the Module shall be used within 72hours.
  • Page 16 This modular complies with FCC RF radiation exposure limits set for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This modular must be installed and operated with a minimum distance of 20 cm between the radiator and the user's body.

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