With 12 digital inputs, the GV-IO 12-In Card is designed to work with the GV-NET/IO Card to provide an interface for your external devices such as sensors and detectors.
With 12 relay outputs, the GV-IO 12-Out Card is designed to work with GV-NET/IO Card to provide an interface for your external devices such as alarms and gates.
The GV-Multi Quad Card is designed to alert security personel visually through 5 additional TV screen outputs including a main monitor and 4 other call monitors.
The GV-Relay V2 is designed especially for driving higher voltage output devices, and it is controlled by other GV devices, such as GV-Video Server, GV-Compact DVR, GV-IP Camera, GV-DSP LPR, GV-I/O USB Box and GV-NET/IO Card V3.1.