System card for Series 1500A Audio-Video Intercom Hubs. Provides switching control, firmware settings, connections for surveillance camera, DVR, and program AV device.

Eight-position demonstration system for analog, digital optical sound bar connections.

This expansion card for adds up to four Counter Stations to a 1500 Series Intercom System.

This expansion card allows the addition of up to four A-V Lane Stations to a 1500 Series Audio-Video Hub.

The 1510 Audio/Video Hub supports up to four Counter Stations and four Lane Stations.

The 1511 Audio/Video Hub supports up to four Counter Stations and eight Lane Stations.

The 1512 Audio/Video Hub supports up to eight Counter Stations and twelve Lane Stations.

The 1513 Audio/Video Hub supports up to eight Counter Stations and sixteen Lane Stations.

System card for Series 1500 Audio-Video Intercom Hubs. Provides switching control, firmware settings, connections for surveillance camera, DVR, and program AV device.

Aviation Ground Power Unit with removable cord caddies and output cable. 28-Volts DC, up to 35-Amps continuous