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Revision
Date
Model Name
Product Name
Engineer
Can Zhang
Engineer
Address: 10-11F, Building A1, Huaqiang idea park, Guangming district, Shenzhen.Guangdong, China
Product Specification
V1.1
2019-07-15
BL-M8821CU1
IEEE 802.11a/b/g/n/ac(1T1R) USB WIFI+BT Combo Module
Bilian Approve Field
QC
Customer Approve Field
QC
Shenzhen Bilian Electronic Co., Ltd
Homepage:
www.b-link.net.cn
Sales
Manufactory
Purchasing
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Summary of Contents for LB-Link BL-M8821CU1
- Page 1 Product Specification Revision V1.1 Date 2019-07-15 Model Name BL-M8821CU1 Product Name IEEE 802.11a/b/g/n/ac(1T1R) USB WIFI+BT Combo Module Bilian Approve Field Engineer Sales Can Zhang Customer Approve Field Engineer Manufactory Purchasing Shenzhen Bilian Electronic Co., Ltd Address: 10-11F, Building A1, Huaqiang idea park, Guangming district, Shenzhen.Guangdong, China Homepage: www.b-link.net.cn...
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Page 2: Table Of Contents
Table of Contents Revision History ..................1 1. Introduction ......................1 1.1 General Description .................... 1 1.2 Features ......................1 1.3 Applications ......................2 2. Functional Block Diagram ..................2 3. Product Technical Specifications ................ 2 3.1 General Specifications ..................2 3.2 DC Power Consumption .................. -
Page 3: Revision History
1. Introduction 1.1 General Description BL-M8821CU1 is the module designed by a highly integrated IEEE 802.11a/b/g/n/ac MAC/Baseband/RF WLAN and Bluetooth Baseband/RF single chip. It combines a WLAN MAC, a 1T1R capable WLAN baseband, BT Protocol (LM , LL and LE),BT Baseband, modem, and WLAN/BT RF in a single chip. The module provides a complete solution for a high-performance wireless LAN and Bluetooth device. -
Page 4: Applications
Smart TV E-book Other devices which need to be supported by wireless network 2. Functional Block Diagram Figure 3 BL-M8821CU1 block diagram Product Technical Specifications 3.1 General Specifications Item Description Product Name BL-M8821CU1 Main Chip RTL8821CU-CG Host Interface USB 2.0... -
Page 5: Dc Power Consumption
WiFi: 802.11b: CCK, DQPSK, DBPSK 802.11a/g: 64-QAM,16-QAM, QPSK, BPSK Modulation 802.11n: 64-QAM,16-QAM, QPSK, BPSK 802.11ac: 256-QAM,64-QAM,16-QAM, QPSK, BPSK 8DPSK,π/4DQPSK,GFSK Infrastructure, Ad-Hoc Working Mode WiFi: 802.11b: 1, 2, 5.5, 11Mbps 802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54Mbps 802.11n: HT20 reach up to72.2Mbps, HT40 reach up to150Mbps Wireless Data Rate 802.11ac: MCS0~8, VHT20 reach up to 173.3Mbps, VHT40 reach up to 239Mbps, MCS0~9, VHT80 reach up to 433.3Mbps... -
Page 6: Rf Specifications
802.11g 6Mbps 54Mbps Supply current Typ. Max. Typ. Max. TX mode Rx mode 802.11n HT20 MCS0 MCS7 Supply current Typ. Max. Typ. Max. TX mode Rx mode 802.11n HT40 MCS0 MCS7 Supply current Typ. Max. Typ. Max. TX mode Rx mode 802.11a 6Mbps 54Mbps... - Page 7 802.11n-HT20: <-28dB@72.2Mbps 802.11n-HT40:< -28dB@150Mbps 802.11a: <-28dB@54Mbps 802.11n-HT20: <-28dB@72.2Mbps 802.11n-HT40: <-28dB@150Mbps 802.11ac-VHT80:< -32dB@433Mbps 1Mbps: -96dBm@PER<8%; 11Mbps:-90dBm@PER<8%; Receiver Minimum Input Sensitivity@PER 54Mbps:-72dBm@PER<10%; 150Mbps:-69dBm@PER<10%; 433Mbps:-59dBm@PER<10%;...
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Page 8: Pin Assignments
4. Pin Assignments Figure 4 Pin Assignments (Top view) The following signal type codes are used in the tables: I:Input O:Output O/D: Open Drain P:Power Pin Pin No： Pin Name Type Description Ground RF_0 2G&5G WIFI and BT ANT Ground... -
Page 9: Application Information
5、6、7、8 NC Floating(Don’t connected to ground BT_WAKE_HOST Bluetooth device to wake up HOST HOST_WAKE_BT HOST to wake up Bluetooth device VDD 3.3V Power Supply USB_DM USB Transmitter/Receiver Differential Pair USB_DP USB Transmitter/Receiver Differential Pair ground 3DD_SYNC PCM_OUT/GPIO1 WL_DIS WIFI DISABLE （Low potential） BT_DIS BT DISABLE （Low potential）... - Page 10 RF reference circuit Figure 5 Typical application circuit NOTE： 1、RF trace need to keep 50 ohm impedance. 2、USB differential pair need to keep 90ohm impedance. 3、C1 10uF closed to Module pin 11 4、Reserved 0R between Module pin 16 pin 17 and Host 5、LED active low.
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Page 11: Mechanical Specifications
6. Mechanical Specifications Module dimension: Typical ( L*W * H): 13.0mm*12.2mm*1.50mm Tolerance : +/-0.15mm Figure 6 Module dimension 7. Others 7.1 Package Information Figure 7 Package Information... -
Page 12: Storage Temperature And Humidity
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. - Page 13 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’...
- Page 14 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.
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