2 way voice/audio device kit
2 way voice kit, includes TP2-800GY. Allows Listen to Site and talk back to site by an ARC operator following an alarm. Allows dial-in listen to site and talk to site by a user from any phone with PIN code security

4 way relay and interface kit

Galaxy 2 Series compatible Wireless Providing support for the 5800 Series wireless transmitter peripherals. EN50131-1 Security Grade 2, Environmental Class II