Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual
Copyright
©
2012
–
2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd
5
TD-SCDMA B34
2010~2025
2010~2025
TD-SCDMA B39
1880~1920
1880~1920
LTE-FDD B1
1920~1980
2110~2170
LTE-FDD B3
1710~1785
1805~1880
LTE-FDD B5
824~849
869~894
LTE-FDD B8
880~915
925~960
LTE-TDD B38
2570~2620
2570~2620
LTE-TDD B39
1880~1920
1880~1920
LTE-TDD B40
2300~2400
2300~2400
LTE-TDD B41
2555~2655
2555~2655
1.4 Interface description
1.5 Pin definition
Pin No.
Name
Description
1
RST
Reset pin
2
IO_RT
The low level lasts for 3~10S, the module parameters will be restored to the factory settings,
and will be restarted immediately.
3
LIKA
SocketA link connection status indicator pin, corresponding to the onboard left 1
LED.
High: SocketA is successfully connected to the web server;
Low: SocketA did not successfully connect to the network server;