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
17 of 22
3.11 Bluetooth Section:
Items Contents
Specification
BT2.1/3.0/4.0
Mode
FHSS,GFSK,DPSK,DQPSK
Number of Channel 78 Channels
Frequency Band 2.402 GHz ~2.480GHz
Min. Typ. Max. Unit Remark
1. Output Power -6 20 dBm
2.Gain step 2 4 8 dB
3. Receiver sensitivity (BER ≦0.1%)
- -89 -85 dBm
4. Maximum usable signal (BER ≦0.1%)
-15 -6 -
5. C/I co-channel (BER<0.1%) - 10 11 dB
6. C/I 1MHz (BER<0.1%) - -16 0 dB
7. C/I 2MHz (BER<0.1%) - -41 -30 dB
8. C/I≥3MHz (BER<0.1%) - -50 -40 dB
9. C/I Image channel (BER<0.1%) - -24 -9 dB
10. C/I Image 1MHz (BER<0.1%) - -35 -20 dB
11. Inter-modulation - -13 - dB
12. Out-of-band blocking
1). 30MHz to 2000MHz -8 - - dBm
2). 2000MHz to 2400MHz -25 - - dBm
3). 2500MHz to 3000MHz -25 - - dBm
4). 3000MHz to 12.75GHz -8 - - dBm
13. Modulation characteristics
1). ∆f1avg 140 170 175 KHz
2). ∆f2max (For at least 99.9% of all ∆f2max) 115 145 - KHz
3). ∆f2avg /∆f1avg 0.8 0.84 - KHz
14. ICFT -75
±8.0
+75 KHz
15. Carrier frequency drift
1). One slot packet (DH1) -25
﹣13
+25 KHz
2). Two slot packet (DH3) -40
﹣12
+40 KHz
3). Five slot packet (DH5) -40
﹣12
+40 KHz
4). Max drift rate - 5.853 20 KHz/50us
16. TX output spectrum(20dB bandwidth) - 796 1000 KHz
17. In-Band spurious emission
1). ±2MHz offset - -39
-20
dBm
2). ±3MHz offset - -50
-40
dBm
3). >±3MHz offset - -50
-40
dBm