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
9 of 22
3.3 IEEE 802.11g Section:
Items Contents
Specification IEEE802.11g
Mode OFDM
Channel CH1 to CH13
Data rate 6, 9, 12, 18, 24, 36, 48, 54Mbps
TX Characteristics Min. Typ. Max. Unit Remark
2. Power Levels
1) 14dBm Target 12 14 16 dBm
3. Spectrum Mask @ Target Power
1) at fc +/-11MHz - - -20 dBr
2) at fc +/-20MHz - - -28 dBr
3) at fc > +/-30MHz - - -40 dBr
4. Constellation Error(EVM) @ Target Power
1) 6Mbps - - -5 dB
2) 9Mbps - - -8 dB
3) 12Mbps - - -10 dB
4) 18Mbps - - -13 dB
5) 24Mbps - - -16 dB
6) 36Mbps - - -19 dB
7) 48Mbps - - -22 dB
8) 54Mbps - -30 -25 dB
5. Frequency Error -20 - 20 ppm
RX Characteristics Min. Typ. Max. Unit
6 Minimum Input Level Sensitivity
1) 6Mbps (PER ≦10%)
- -85 -80 dBm
2) 9Mbps (PER ≦10%)
- -84 -79 dBm
3) 12Mbps (PER ≦10%)
- -82 -77 dBm
4) 18Mbps (PER ≦10%)
- -80 -75 dBm
5) 24Mbps (PER ≦10%)
- -77 -72 dBm
6) 36Mbps (PER ≦10%)
- -73 -68 dBm
7) 48Mbps (PER ≦10%)
- -69 -64 dBm
8) 54Mbps (PER ≦10%)
- -68 -63 dBm
6. Maximum Input Level (PER ≦10%)
-20 - - dBm