The HydroLynx Model RTR-MX radio transceiver is used in ALERT telemetry as the RF
link in the Data Transmitters. This radio is FCC type accepted for Narrowband operation.
The radio is programmable with a maximum of 16 channels. Each channel has a receive
and transmit frequency pair. The receive and transmit frequencies can be different
but all frequencies must be within the radio’s frequency band.