Installation Instructions

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 3.2.7MicroSIMCard
PushtheSIMCard,andPushagain,itcanputinorputout.
 3.2.8DEBUG
CONN,Pinheader,1x4x2.0,TH,Usercanshowthedebugmessageandusekeyboard
inputdebugcommand.It’sTTLlevel,weneedaUart‐debugboardwhenweuseit.
Pin
Description
1 3.3V
2 TTL
_
TXD
3 TTL
_
RXD
4 DGND
 3.2.9Renewbutton
Renew button: long press this button will restore the factory setting, the long press time can be
setting by user
 3.2.10SD/MMCsocket
This is standard SD card socket, and user can save data on this storage.
 3.2.11LTEANTENNAS
The device needs primary antenna and secondary antenna when use the LTE.
PIN1