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 2.4GHz~2.4835GHz /5.15GHz~5.85GHz
Modulation WiFi:
802.11b: CCK, DQPSK, DBPSK
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
BT:
8DPSK,π/4DQPSK,GFSK
Working Mode Infrastructure,  Ad-Hoc
Wireless Data Rate WiFi:
802.11b: 1, 2 ,5.5,11Mbps
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 to 173.3Mbps, VHT40 reach up to 239Mbps, VHT80 reach up to 433.3Mbps
BT:
1Mbps for Basic Rate
2,3 Mbps for Enhanced Date Rate
Rx Sensitivity -96dBm (Min)
TX Power 18.5dBm (Max)
Antenna Type Connect to external antenna through the IPEX connector
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 192mA@3.3V (Max)
TX mode 908 mA@3.3V (Max)
Clock Source 40MHz
Working Temperature -10°C to +50°C
Storage Temperature -40°C to +70°C