Siemens WPS-KIT SF 30/12 The 3-RS485A card provides a

The 3-RS485A card provides a Class A (Style 7) or Class B (Style 4) circuit for network communications signals and two additional Class A (Style 7) circuits for the digitized audio signals

It can b e used as a backup amplifier

a microphone with a "Press-to-Talk" button

Don't miss out on enhancing your security setup with this essential accessory

a Digital Alarm Communicator/Transmitter (DACT)

Siemens WPS-KIT SF 30/12 The 3-RS485A card provides a1 Hardware Package, 2 Red Plugs, 2 White Plugs, and 1 Gasket. Fire Safety is a kit, consisting of a weatherproof gasket and mounting screws, that allows installation between the surface mount back box and the wall.