E108-Gn02 Pins Definition - Ebyte E108-GN Series User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.
21 RXD
22 VBKP
23 VCC
24 GND

3.2 E108-GN02 pins definition

No. Name
1 GND
2 TXD
3 RXD
4 1PPS
FORCE_
5
ON
6 VBKP
7 NC
8 VCC
9 RSTN
10 GND
11 RF IN
12 GND
13 ANTON
14 VCCRF
15 NC
16 NC
17 NC
18 NC
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UART input
RTC power input
The module startup voltage needs to provide a stable voltage of 4.2V. If
the startup voltage is lower than this value, it may cause no printout of
Module power
the serial port. After startup, it can be reduced to normal 3.3V voltage
Module ground
Direction
Module power
ground wire
Output
Enter
Second pulse
output
Sleep wake-up When the module enters the ultra-low power consumption, pull this pin
pin high to exit the ultra-low power consumption mode (this pin is powered
The voltage is 11V, if the control pin level is not 11V, it needs to divide
RTC power input
Remained pins
Module power
Reset pin
Module ground
RF input
Module ground
External
Power supply for external active antenna (this VCC RF output voltage is
RF power output
Remained pins
Remained pins
Remained pins
Remained pins
(AT port, 28V level)
The RTC power supply must be powered, the module
UART output (2.8V level)
UART input (2.8V level)
User can set frequency, duration, etc. by command
the voltage)
(2.8V-4.2V）
Pull high by default, pull low to reset;
External LNA or active antenna power control pin 28V level:
equal to VCC)
E108-GN User Manual
operation.
Function
2 12