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.

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.

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 1510 series Audio/Video Hub.