AT Command

Description

AT!MAXPWR command is used to set the maximum Tx power for the given band. This feature can be used for the SAR regulatory testing of the host device.


Support

Sierra Wireless Module Tutorial

Examples

KeywordsAT!MAXPWR syntax, examples, parameters, error, input, response.

Try the below script in the AT Command Tester tool

//Script: at!maxpwr.at
//Set the maximum power for bands in Sierra Wireless module

//Unlock the password
AT!ENTERCND="1234"

//Query the command support
AT!MAXPWR=?

WAIT=2

//Get the max power for LTE band 4
//at!maxpwr=?band,technology
//Technology -> 0 - WCDMA, 1 - CDMA, 2- LTE
AT!MAXPWR?4,2

WAIT=2

//Set the max power for band 4 in LTE to 22 dbm
//at!maxpwr=band,technology,max_tx_power
AT!MAXPWR=4,2, 23

WAIT=2

//Get the max power for WCDMA band 3
AT!MAXPWR?3,0
WAIT=2

//Set the max power for band 3 in WCDMA to 22 dbm
AT!MAXPWR=3,0, 22

Output of the above script in the AT Command Tester tool

AT!ENTERCND="1234"

OK
Password protected commands are unlocked

AT!MAXPWR=?

WCDMA: ,and LTE:
AT!MAXPWR= , , 
AT!MAXPWR? , 

Band           = <0-71>
Technology     = 0: WCDMA
                 2: LTE

CDMA:
AT!MAXPWR= , , , 
AT!MAXPWR? , 

Band           = <0-71>
                 1: CDMA
Temperature Bin = <0-7>
Max Tx Value   = <20-24.5>

OK
AT!MAXPWR?4,2

23.0 dBm

OK
AT!MAXPWR=4,2, 23

OK
AT!MAXPWR?3,0

26.1 dBm

OK
AT!MAXPWR=3,0, 22

ERROR