The Model 1509SD is a compact hub for audio-only applications. It can accommodate up to two Counter Stations serving up to four Customer Stations.

The 1510A audio-video Hub supports up to four Counter Stations and four Lane Stations.

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

The 1512A audio-video Hub supports up to eight Counter Stations and twelve Lane Stations.

The 1513A audio-video Hub supports up to eight Counter Stations and sixteen Lane Stations.

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

This expansion card allows the addition of up to four A/V Lane Stations to a 1510A series Audio/Video Hub.

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

Secure Digital memory card suitable for programming Audio Authority Intercom hubs and other products. Capacity may vary.