28 00 00 Electronic Safety and Security 28 31 00 Fire Detection and Alarm 27 00 00 Communications 08 71 00 Door Hardware 27 40 00 Audio-Video Communications
CSI Codes : 08 71 00 Door Hardware, 27 00 00 Communications, 27 40 00 Audio-Video Communications, 28 00 00 Electronic Safety and Security, 28 31 00 Fire Detection and Alarm
Trade Names : Crestron, Panasonic/Video Insight, Avigilon, Sumitomo FutureFLEX, Jeron, Notifier, AMAG