User's Manual

WIFI-2-R821USA1A
Dual Band 11ac USB WiFi Module with RTL8821AU
四川爱联科技有限公司
Sichuan iLink Technology Co.,Ltd. page
8 of 22
3.2 IEEE 802.11b Section:
Items Contents
Specification IEEE802.11b
Mode DSSS / CCK
Channel CH1 to CH13
Data rate 1, 2, 5.5, 11Mbps
TX Characteristics Min. Typ. Max. Unit Remark
1. Power Levels(Calibrated)
1) 16dBm Target 14 16 18 dBm
2. Spectrum Mask @ Target Power
1) fc +/-11MHz to +/-22MHz - - -30 dBr
2) fc > +/-22MHz - - -50 dBr
3. Constellation Error(EVM) @ Target Power
1) 1Mbps - - -10 dB
2) 2Mbps - - -10 dB
3) 5.5Mbps - - -10 dB
4) 11Mbps - -20 -10 dB
4. Frequency Error -20 - 20 ppm
RX Characteristics Min. Typ. Max. Unit
5. Minimum Input Level Sensitivity(each chain)
1) 1Mbps (FER ≦8%)
- -83 -76 dBm
2) 2Mbps (FER ≦8%)
- -80 -76 dBm
3) 5.5Mbps (FER ≦8%)
- -79 -76 dBm
4) 11Mbps (FER ≦8%)
- -76 -76 dBm
6. Maximum Input Level (FER ≦8%)
-10 - - dBm