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802.11g 

6Mbps 

54Mbps 

Supply current 

Typ. 

Max. 

Typ. 

Max. 

TX mode 

325 

388 

240 

376 

Rx mode 

85 

112 

86 

116 

802.11n HT20 

MCS0 

MCS7 

Supply current 

Typ. 

Max. 

Typ. 

Max. 

TX mode 

320 

380 

239 

372 

Rx mode 

87 

112 

88 

116 

802.11n HT40 

MCS0 

MCS7 

Supply current 

Typ. 

Max. 

Typ. 

Max. 

TX mode 

286 

352 

215 

360 

Rx mode 

89 

116 

90 

120 

802.11a 

6Mbps 

54Mbps 

Supply current 

Typ. 

Max. 

Typ. 

Max. 

TX mode 

340 

420 

270 

380 

Rx mode 

90 

120 

91 

124 

802.11n HT40(5G)

 

MCS0 

MCS7 

Supply current 

Typ. 

Max. 

Typ. 

Max. 

TX mode 

320 

392 

240 

384 

Rx mode 

92 

124 

93 

128 

802.11ac

 

MCS0 

MCS9 

Supply current 

Typ. 

Max. 

Typ. 

Max. 

TX mode 

281 

352 

254 

368 

Rx mode 

111 

144 

110 

150 

 

3.3    RF Specifications 

TX Power 

2.4GWIFI:15.95dBm(Max.) 

TX Constellation Error(EVM) 

2.4G: 
802.11b: <-22dB@11Mbps 
802.11g: <-28dB@54Mbps 

5.2GWIFI:12.88dBm(Max.) 

5.8GWIFI:10.95dBm(Max.) 

2.4GBT:4.93dBm(Max.) 

2.4GBLE:3.84dBm(Max.) 

Summary of Contents for BL-M8821CU1

Page 1: ...1a b g n ac 1T1R USB WIFI BT Combo Module Bilian Approve Field Engineer QC Sales Can Zhang Customer Approve Field Engineer QC 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 ...

Page 2: ...m 2 3 Product Technical Specifications 2 3 1 General Specifications 2 3 2 DC Power Consumption 3 3 3 RF Specifications 4 4 Pin Assignments 6 5 Application Information 7 5 1 Typical Application Circuit 7 6 Mechanical Specifications 9 7 Others 9 7 1 Package Information 9 7 2 Storage Temperature and Humidity 10 7 3 Recommended Reflow Profile 10 ...

Page 3: ...seband modem and WLAN BT RF in a single chip The module provides a complete solution for a high performance wireless LAN and Bluetooth device The BT controller supports BT 4 2 system and compatibles Bluetooth 2 1 EDR Figure 1 Top View Figure 2 Bottom View Note The above pictures are for reference only 1 2 Features Operating Frequencies Host Interface is USB 2 0 for WLAN and BT controller IEEE Stan...

Page 4: ...8821CU1 block diagram 3 Product Technical Specifications 3 1 General Specifications Item Description Product Name BL M8821CU1 Main Chip RTL8821CU CG Host Interface USB 2 0 IEEE Standards IEEE 802 11a b g n ac Operating Frequencies BT 2 402 2 48GHz BT 2 4GWIFI 2 412 2 472GHz USA 11Channels Europe and others 13 channels B5GWIFI 5 18 5 24GHz 5 745 5 825GHz ...

Page 5: ...nsitivity 96dBm Min Antenna Type Connect to external antenna through the half hole Dimension L W H 13 0 12 2 1 5mm L W H Tolerance 0 15mm Power Supply 3 3V 0 2V Power Consumption Standby 82mA 3 3V Max TX mode 420 mA 3 3V Max Clock Source 40MHz Working Temperature 10 C to 50 C Storage Temperature 40 C to 70 C ESD CAUTION Although this module is designed to be as robust as possible Electrostatic Dis...

Page 6: ...2 11a 6Mbps 54Mbps Supply current Typ Max Typ Max TX mode 340 420 270 380 Rx mode 90 120 91 124 802 11n HT40 5G MCS0 MCS7 Supply current Typ Max Typ Max TX mode 320 392 240 384 Rx mode 92 124 93 128 802 11ac MCS0 MCS9 Supply current Typ Max Typ Max TX mode 281 352 254 368 Rx mode 111 144 110 150 3 3 RF Specifications TX Power 2 4GWIFI 15 95dBm Max TX Constellation Error EVM 2 4G 802 11b 22dB 11Mbp...

Page 7: ...150Mbps 5G 802 11a 28dB 54Mbps 802 11n HT20 28dB 72 2Mbps 802 11n HT40 28dB 150Mbps 802 11ac VHT80 32dB 433Mbps Receiver Minimum Input Sensitivity PER 1Mbps 96dBm PER 8 11Mbps 90dBm PER 8 54Mbps 72dBm PER 10 150Mbps 69dBm PER 10 433Mbps 59dBm PER 10 ...

Page 8: ... 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 1 GND P Ground 2 RF_0 I O 2G 5G WIFI and BT ANT 3 NC 4 GND P Ground ...

Page 9: ... I O USB Transmitter Receiver Differential Pair 14 GND P ground 15 3DD_SYNC I O PCM_OUT GPIO1 16 WL_DIS I WIFI DISABLE Low potential 17 BT_DIS I BT DISABLE Low potential 18 CHIP_EN I High asserting for use Low asserting reset 19 HST_WAKE_WL I HOST to wake up WIFI 20 WL_WAKE_HST O WIFI to wake up HOST 21 WPS I O WPS Switch GPIO 22 LED I O External LED Control GPIO 5 Application Information 5 1 Typi...

Page 10: ...ep 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 Recommended alternatives or upgrades If you just use WiFi only connect the pin 1 2 11 12 13 14 you can replace it with the following solution BL R7601MU2 BL R8188EU1 BL R8801MU2 Details please refer to www b link net cn ...

Page 11: ...9 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: ...dity 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 T...

Page 13: ...h 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 t...

Page 14: ...he radiator your body 2 7 Antennas This radio transmitter 2AL6KBL M8821CU1 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 Model Type Co...

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