AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
ReproductionforbiddenwithoutTelitCommunicationsS.p.A.writtenauthorization‐AllRightsReserved page144of233
#I2CRD – Read to I2C
Note: If data requested are more than data available in the device, dummy data (
normally 0x00 or 0xff ) will be dumped.
Note: At the end of the execution GPIO will be restored to the original setting (
check AT#GPIO Command )
Note: device address, register address where to read from\ write to, and date bytes
have to be written in hexadecimal form without 0x.
AT#I2CRD=? Test command reports the supported list of currently available <service>s.
Example AT#I2CRD=2,3,20,10,12
#I2CRD: 00112233445566778899AABBCC
OK
Enable Test Mode command in not signalling mode - #TESTMODE
#TESTMODE – Enable Test Mode command in not signalling mode
AT#TESTMODE=<command>
The command allows setting module in not signaling mode. The
functionality has to be first activated by sending AT#TESTMODE=”TM”,
which sets the module in Test Mode. Only after this set, AT#TESTMODE
can be used with the other allowed commands. To exit from Test Mode and
go back to Operative Mode, the command AT#TESTMODE =”OM” has
to be sent.
Parameter:
<command>:
“TM” forces the module in Test Mode;
“OM” forces the module in Operative Mode
4G Commands:
“INIT4G” initialize Radio for 4G transmission
“TX4G” starts the 4G module transmission if Radio is initialized
“PL4G <power> change the 4G transmission power has the range
-400:200 in tenth of dBm
“RL4G” provides the Rx power level for the channel set with
““CH4G <earfcn dl>” command.
“DEINIT4G” de-initialize Radio for 4G transmission
“CH4G <earfcn> <bw>” changes the 4G earfcn ul or dl for
transmitting or receiving, and sets the bandwidth:
LTE_EARFCN UL Band
18000 ÷ 18599 1
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