Specifications

B-LINK ELECTRONIC CO., LTD in shenzhen
3
3.2 Electrical and Performance Specification
Item Description
BL-M8821CS1Product Name
RTL8821CSMajor Chipset
SDIO 1.1/ 2.0/ 3.0Host Interface
Standard
WiFi: IEEE802.11a, IEEE802.11b, IEEE802.11g, IEEE802.11n, IEEE802.11ac,
BT: BT V2.1 BR+EDR, BT V3.0+HS, BT V4.0 LE+ BR/EDR , BT V4.1, BT V4.2
Frequency Range
Modulation Type
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 /4 DQPSK, GFSK
Working Mode
Infrastructure, Ad-Hoc
Data Transfer Rate
Wifi
：
802.11b: 11, 5.5, 2, 1 Mbps
802.11a/g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps
802.11n: MCS 0 to 7 for HT20/HT40
802.11ac: MCS 0 to 9 for VHT80
BT: 1 Mbps for Basic Rate and LE Mode; 2,3 Mbps for Enhanced Data Rate
Spread Spectrum
IEEE 802.11b: DSSS (Direct Sequence Spread Spectrum)
IEEE 802.11a/g/n/ac:OFDM (Orthogonal Frequency Division Multiplexing)
BT: FHSS(Frequency-Hopping Spread Spectrum)
Sensitivity @PER
WiFi: 11ac: mcs9 VHT80: -58dBm@10%PER
135M:-68dBm@10%PER
54M:-75dBm@10%PER；
11M:-86dBm@10%PER；
6M: -90dBm@10%PER；
1M: -92dBm@10%PER;
BT: -89dBm@1Mbps, -85dBm@2Mbps, -83dBm@3Mbps；
RF Power(Typical)
2.4GWiFi:15.98dBm(Max)
5.2GWiFi:11.98dBm(Max)
5.8GWiFi:9.86dBm(Max)
BT: 4.96dBm(Max)
BLE:3.56dBm(Max)
Connect to the external antenna through the half holeAntenna type
Dimension(L*W*H)
12.0*12.0*2.35mm (LxWxH) ，Tolerance: +-0.15mm
3.3V +/-0.2VPower supply
standby mode 82mA@3.3V ,Power Consumption
TX mode 350mA@3.3V
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