Ebyte E22-400T33S - Size and Pin Definition

Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T33S User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
5
antenna height: 2.5m
，
air data rate: 2.4kbps
TX length
240 Byte
Can be configured via command as 32/64/128/240 bytes
per packet to transmit
Buffer
1000 Byte
Modulation
LoRa
Communication interface
UART
TTL level
Package
SMD
Connector
2.54mm
Size
25*40.5mm
Antenna
IPEX/stamp hole
50 ohm impedance
3 Size and pin definition
No.
Name
Direction
Function
1
GND
Input
Module ground
2
VCC
Input
Power supply
：
3.3~ 5.5V DC
3
AUX
Output
Used to indicate the working status of the module; the user wakes up the
external MCU, and the Output is low during the power-on self-test
initialization Level; (can be left floating)
4
TXD
Output
TTL serial port output，connect to external RXD Input pin；
5
RXD
Input
TTL serial port input, connect to external TXD output pin
6
M1
Input（weak
pull-up）
work with M0, to define 4 working mode(not floated,connect to ground
when not using )
7
M0
Input（weak
pull-up）
work with M1, to define 4 working mode(not floated,connect to ground
when not using )
11
ANT
Output
Antenna, 50ohm impedance