Size And Pin Definition - Ebyte E30-490T20S User Manual

Chengdu Ebyte Electronic Technology Co,;Ltd
Size
Antenna

3 Size and pin definition.

No. Name
1
2
3
RXD
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd
17 * 30 mm
IPEX/External/Spring
Direction
Input
M 0
（Weak pull-up）
Input
M 1
（weak pull-up）
Input
50 ohm impedance
Work with M 1 to decide 4 working modes of module (not suspended, if
not used, could be grounded).
Work with M 0 to decide 4 working modes of module (not suspended, if
not used, could be grounded).
TTL UART inputs, connects to external (M CU, PC) TXD output pin. Can
be configured as open-drain or pull-up input.
E30 -490T20S user manual
Function
5