AiPhone TD-3H/B 3-CALL HANDSET MASTER STATION, Stock# TD-3H/B EmeraldTM ICE Digital Key System It is a spring-loaded slug

It is a spring-loaded slug ejector that saves time

The other is plugged directly into a LAN or an IP network device such as a router

supports 12VDC power supply and comes on a black Housing

6 pin US-APLA is a SB Audio Processor is a USB processor

SPECO M24H This is a Replacement 2

AiPhone TD-3H/B 3-CALL HANDSET MASTER STATION, Stock# TD-3H/B EmeraldTM ICE Digital Key System It is a spring-loaded slugThe quality AiPhone TD 3H B 3 CALL HANDSET MASTER STATION is a 3 call handset master station that incorporates a zone(s) for paging (with talkback), has a pan tilt video or audio door station (2 per system), multiple talk paths for intercom (and paging), an intermixable five TD H station models in a system, and an intercom communication among 25 stations (max.) in all master configuration. Single master system, with TD 1H B station, or intermixed.