radio-cmd is a simple utility to send general or predefined AT commands to the cellular radio. Here is the usage information: <AT_COMMAND> [ -t -d ] : send AT command. Timeout and device are optional –device (d) : modem device to use, default: /dev/modem_at1 –init-dc : initiate device configuration update –init-fumo : initiate module/modem firmware … Continue reading radio-cmd Usage