User's Manual

XR-50B WIFI module
Copyright © 2019 ShenzhenJiXinInteligence Co., Ltd All Rights Reserved
Page 5 of 17
◼ On-board DC/DC power supply module for lower power
consumption
1.3 Key parameter
Table1.1 Description
Model
XR-50B
Package
SMD40
Size
29*19*3(±0.2)mm
Certification
FCC、CE、IC、REACH、RoHS
SPI Flash
32Mbit（default）
Interface
UART/GPIO/ADC/PWM/I2S/SPI/SDIO/DVP/PDM
IO
26
UART baud
9600/19200/38400/115200/921600 bps
Freq. range
2400~2483.5MHz
Antenna
Type
Onboard/IPEX
TX power
802.11b: 17±2 dBm (@11Mbps)
802.11g: 15±2 dBm (@54Mbps)
802.11n: 14±2 dBm (@HT20, MCS7)