Product Specification Revision V1.0 Date 2018-6-30 Model Name ProductName BL-R8812BU1 IEEE 802.11b/g/n/ac(2T2R) USB WLAN Module Bilian Approve Field Engineer QC Sales Customer Approve Field Engineer QC Manufactory Purchasing Shenzhen Bilian Electronic Co.，Ltd Address: 10-11/F,Building A1,Huaqiang idea park,Guanguang Rd,Guangming new district, Shenzhen, Guangdong, China. Homepage: www.b-link.net.
Table of Contents Revision History .......................................................................................... 1 1. Introduction .............................................................................................................. 1 1.1 General Description .............................................................................................. 1.2 Features ................................................................................................................ 1.
Revision History Document Product Revision Revision 2018/5/29 0.1 V0.1 Preliminary release 2018/06/30 1.0 V1.0 Batch production Date Description 1. Introduction 1.1 General Description BL-R8812BU2 module design is based on Realtek RTL8812BU solution, The RTL8812BU is a highly integrated single chip which has built in a 2x2 dual-band wireless LAN radio. The Module is a highly integrated MAC/BBP and 2.4/5GHz PA/LNA single chip which supports a 866.7Mbps PHY rate.
1.3 Applications ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ MID IP Camera STB Smart TV E-book Other devices which need to be supported by wireless network 2. Functional Block Diagram Figure 3 BL-R8812BU1 block diagram 3. Product Technical Specifications 3.1 General Specifications Item Description Product Name BL-R8812BU1 Main Chip RTL8812BU-CG Host Interface USB2.0 IEEE Standards IEEE 802.11a/b/g/n/ac Operating Frequencies 2.4GHz~2.4835GHz /5.15~5.85Hz Modulation WIFI: 802.
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 Working Mode Infrastructure, Ad-Hoc WIFI: 802.11b: 1, 2 ,5.5,11Mbps Wireless Data Rate 802.11a/g: 6,9,12,18,24,36,48,54Mbps 802.11n: HT20 reach up to144.4Mbps, HT40 reach up to300Mbps 802.11ac: VHT20 reach up to173.3Mbps, VHT40 reach up to400Mbps, VHT80 reach up to866.7Mbps Rx Sensitivity -95dBm (Min) TX Power 18.
802.11n HT20 MCS0 MCS7 Supply current Typ. Max. Typ. Max. TX mode 385 412 301 362 Rxmode 195 216 193 215 802.11n HT40 MCS0 MCS7 Supply current Typ. Max. Typ. Max. TX mode 369 401 272 373 Rxmode 193 218 196 217 802.11a 6Mbps 54Mbps Supply current Typ. Max. Typ. Max. TX mode 388 412 337 410 Rxmode 194 210 197 215 802.11n HT40(5G) MCS0 MCS7 Supply current Typ. Max. Typ. Max. TX mode 365 403 298 386 Rxmode 192 212 196 213 802.
3.3 RF Specifications WiFi 2.4G IEEE 802.11b 1Mbps IEEE 802.11g 6Mbps IEEE 802.11n 20MHz MCS0 IEEE 802.11n 40MHz MCS0 WiFi 5G Band 1 IEEE 802.11a 6Mbps IEEE 802.11n 20MHz MCS0 IEEE 802.11n 40MHz MCS0 IEEE 802.11ac 80MHz MCS0 Frequency (MHz) 1 6 11 1 6 11 1 6 11 3 6 9 Frequency (MHz) 2412 2437 2462 2412 2437 2462 2412 2437 2462 2422 2437 2452 Power Taget (dBm) 21.5 21.0 20.5 17.5 20.0 17.0 17.5 20.0 17.0 17.0 19.5 16.5 Tolerance (dBm) ±1.5 ±1.5 ±1.5 ±1.5 ±1.5 ±1.5 ±1.5 ±1.5 ±1.5 ±1.5 ±1.5 ±1.5 Max.
WiFi 5G Band 2 IEEE 802.11a 6Mbps IEEE 802.11n 20MHz MCS0 IEEE 802.11n 40MHz MCS0 IEEE 802.11ac 80MHz MCS0 WiFi 5G Band 4 IEEE 802.11a 6Mbps IEEE 802.11n 20MHz MCS0 IEEE 802.11n 40MHz MCS0 IEEE 802.11ac 80MHz MCS0 Frequency (MHz) 52 56 64 52 56 64 54 62 Frequency (MHz) 5260 5280 5320 5260 5280 5320 5270 5310 Power Taget (dBm) 16.5 16.0 16.0 17.0 17.0 17.0 19.0 16.0 Tolerance (dBm) ±2 ±2 ±2 ±2 ±2 ±2 ±2 ±2 Max. Tune-up Power(dBm) 18.5 18.0 18.0 19.0 19.0 19.0 21.0 18.0 58 5290 9.0 ±2 11.
RFTest Report PathA 2.4G Mode 11b 11g Rate(Mbps) Power(dBm) EVM(dB) Sensitivity(dBm) CH1 CH7 CH13 CH1 CH7 CH13 CH1 CH7 CH13 1 16.94 16.89 17.14 -24.74 -24.62 -24.95 -95 -95 -95 11 16.99 16.85 17.85 -23.21 -23.10 -23.22 -86 -85 -85 6 16.21 16.44 16.26 -27.89 -27.13 -27.16 -91 -91 -91 54 14.32 14.14 14.21 -32.02 -31.86 -31.
RFTest Report PathA 5G Power(dBm) Mod e 11a Rate( Mbps) CH 36 CH 100 6 16.34 16.55 54 13.97 14.10 EVM(dB) CH 140 CH 161 CH 36 CH100 CH140 CH161 CH 36 CH 100 CH 140 CH 161 16.35 16.22 -22.13 -22.90 -26.63 -23.98 -91 -91 -91 -91 14.07 14.32 -31.99 -31.73 -32.66 -30.13 -75 -75 -75 -75 Power(dBm) Mod e Rate( Mbps) 11n CH 38 CH 102 MCS0 15.36 15.53 40 MCS7 13.73 13.61 Mod e Rate( Mbps) EVM(dB) CH 142 CH 106 MCS0 14.56 14.76 MCS9 12.52 12.
4.
3 GND P Ground 4 GND P Ground 5 RF_WL_A I/O RF(WIFI) port A 6 GND P Ground 7 GND P Ground 8 OPT_A / NC 9 OPT_B / NC 10 GND P Ground 11 RSV / NC 12 WL_WAKE_HOST I/O WLAN to wake up HOST 13 GND P Ground 14 NC O NC 15 NC O NC 16 NC I NC 17 NC I NC 18 GND P Ground 19 HSDP I/O USB2.0 Transmitter/Receiver Differential Pair 20 HSDM I/O USB2.0 Transmitter/Receiver Differential Pair 21 VDD33 P VDD 3.
5.1 Typical Application Circuit RF reference circuit Figure 5 Typical application circuit NOTE： 1、RF trace need to keep 50 ohm impedance. 2、RF(WIFI) connect to external antenna through the ipex connector，if choose the RF signals connect to the half hole, please refer to the black box matching circuit.
6. Mechanical Specifications Module dimension: Typical ( L*W * H): 17.8mm*27.0mm*2.8mm Figure 6 Tolerance : +/-0.15mm Module dimension 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.
FCC 15.19 Warning 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 of the device. FCC 15.
This radio transmitter (26044- R8812BU1) has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
