AT#RXTOGGLE?
#RXTOGGLE: 2 this means that RX is set to both the main and the diversity
antennas (Default)
OK
AT#RXDIV?
#RXDIV: 1,1 this means that diversity antenna is already enabled
OK
AT#RXDIV=0,1 this disables the RX Diversity
OK
AT#RXTOGGLE=1 this means that the RX is set to the diversity antenna
OK
AT#RXDIV=1,1 Enable the diversity antenna RX
OK
AT#REBOOT reboot the module
OK
AT+COPS=0 register to the 3G network
OK
AT+CREG=1 enable network registration unsolicited result code
OK
AT+CREG? read <mode> and <stat> parameters
+CREG: 1,1
OK