Method of automatic reply for radio transmission and radio modem

摘要

A radio modem includes a modem: a central processing unit (CPU) connected with the modem for digital data transmission therewith; a read-only-memory (ROM) connected with the CPU; a memory connected with the CPU; and a radio transceiver connected with the modem for receiving/transmitting radio waves and performing an analog signal transmission with the modem. The radio modem has Group ID (GID) and Sort ID functions, and automatically replies according to the order of the Sort ID after identifying the Group ID and confirming that it is necessary to reply.