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Try the below script in the AT Command Tester tool
//Script: at!dalswaveform.at //This AT command is used to set the LTE waveform 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 LTE Band B4 AT!DASBAND=42 WAIT=2 //Set the radio for LTE Channel to 18000 AT!DASCHAN=19950 WAIT=2 //Set LTE Tx Bandwidth to 10 MHz AT!DALSTXBW=3 //Set LTE Tx waveform to 1 MHz offset CW AT!DALSWAVEFORM=0 WAIT=2 //Set LTE Tx waveform to LTE PUSCH(Physical Uplink Shared Channel) AT!DALSWAVEFORM=1 WAIT=2 //Set LTE Tx waveform to LTE PUCCH(Physical Uplink Control Channel) AT!DALSWAVEFORM=2 WAIT=2 //Set LTE Tx waveform to LTE PUSCH(Physical Random Access Channel) AT!DALSWAVEFORM=3 WAIT=2 //Set LTE Tx waveform to LTE SRS AT!DALSWAVEFORM=4 WAIT=2 //Set LTE Tx waveform to UpPTS(Uplink Pilot Time Slot) AT!DALSWAVEFORM=5
Output of the above script in the AT Command Tester tool
AT!DAFTMACT OK AT!DASBAND=42 0 OK AT!DALSTXBW=3 OK AT!DALSWAVEFORM=0 OK AT!DALSWAVEFORM=1 ERROR AT!DALSWAVEFORM=2 ERROR AT!DALSWAVEFORM=3 ERROR AT!DALSWAVEFORM=4 ERROR AT!DALSWAVEFORM=5 ERROR