The Modem SPY RF Wifi uses Wifi access points to communicate with the server PC
It communicates with the SPY RF wirelesss recorders by radiofrequency.
Remote alarm driven by integrated dry contact output (autodialer, buzzer, audible and visual alarm device)
Software, PC, or power supply failure alarm
Short distance (25mW) and long distance (500mW via a SPY RF Relay) communication
Can be powered by the LAN network or by an external supply