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Try the below script in the AT Command Tester tool
//Script: at!daslnagain.at //This AT command is used to set the LNA (Low Noise Amplifier) range in the Sierra Wireless modems //in the Factory Test Mode. //Enter the password AT!ENTERCND="1234" //Put the modem in to factory modem AT!DAFTMACT WAIT=2 //Set the radio for WCDMA 850 band AT!DASBAND=22 WAIT=2 //Set the channel to 4132 AT!DASCHAN=4132 //set LNA gain to highest for the main path AT!DASLNAGAIN=0,0 //set LNA gain to lowest for the main path AT!DASLNAGAIN=3,0 //set LNA gain to highest for the diversity path AT!DASLNAGAIN=0,1
Output of the above script in the AT Command Tester tool
AT!ENTERCND="1234" OK Password protected commands are unlocked AT!DAFTMACT 290300 OK AT!DASBAND=22 22 OK AT!DASCHAN=4132 4132 OK AT!DASLNAGAIN=0,0 0 OK AT!DASLNAGAIN=3,0 3 OK AT!DASLNAGAIN=0,1 0 OK