Gealog Radio Modem for Radio Data Transfer
From Communication Units
The Gealog Radio Modem 1200 is a high performance modem for radio data transfer. The Gealog Radio Modem is a modem unit to connect Gealog dataloggers via the serial RS232-interface to standard radio units via the audio-interface. The unit can operate both as standard radio modem and as a radio repeater unit. Both functionalities can be used by one modem simultaneously. So measuring stations can also act as repeater stations.
Interface lines to radio-unit
- PTT (Push to Talk)
- Receive-audio signal
- Transmit-audio signal
- High sophisticated adressing scheme for all network topologies
- Transfer speed: 1200 Bd
- Power supply: 12 V DC (station battery)
- Operation both as station modem and as radio repeater (store and forward)
- Optional the radio modem can be equipped with digital inputs and outputs for standalone-applications without datalogger. For simple signalling and control applications.