Ⅲ Dimensions And Pin Definitions - Ebyte E49-400T30D Specifications

Chengdu Ebyte Electronic Technology Co.,Ltd.
Dimensions
Antenna interface
Ⅲ Dimensions and Pin Definitions
Pin number Pin name
1 M0
2 M1
3 RXD
4 TXD
5 AUX
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
43*24mm
SMA connector
Pin Orientation
Cooperate with M1 to determine the 4 working modes of the module (can not be suspended, if not used, it
Input (very weak
can be grounded)
pull-up)
Cooperate with M0 to determine the 4 working modes of the module (can not be suspended, if not used, it
Input (very weak
can be grounded)
pull-up)
TTL serial port input, connected to the external TXD output pin;
Input
Can be configured as open-drain or pull-up input, see parameter settings for details.
TTL serial output, connected to external RXD input pin;
Output
Can be configured as open-drain or push-pull output, see parameter settings for details.
It is used to indicate the working status of the module; the user wakes up the external MCU, and outputs a
low level during the power-on self-test initialization; it can be configured as open-drain output or
Output
push-pull output, see parameter settings for details. (can be left floating)
E49-400T30D Specifications
Equivalent impedance is about 50 ohms
Pin Usage
5