User's Manual

XR-31B WIFI module
Copyright © 2019 Shenzhen JiXinInteligence Co., Ltd All Rights Reserved
Page 10 of 14
3.2 Wi-Fi RF characteristic
Description
Min
Typ.
Max
Unit
Frequency
2400
-
2483.5
MHz
Enter reflection value
-
-
-10
dB
Transmit Power
CCK, 1 Mbps
17.20
17.72
-
dBm
CCK, 11Mbps
17.14
17.86
-
dBm
6 Mbps OFDM
15.73
16.12
-
dBm
54Mbps OFDM
15.02
15.96
-
dBm
HT20, MCS0
14.77
15.34
-
dBm
HT20, MCS7
14.28
15.11
-
dBm
EVM
CCK, 1 Mbps
-19.86
-20.21
-
dB
V
OL
VCC_IO=3.3V,
|IOL|=7.5~50 mA
-0.3
-
0.4
V
V
OH
VCC_IO=3.3V,
|IOL|=7.5~50 mA
2.9
-
3.4
V
I
MAX
-
-
-
12
mA