FBT MBT 1112E Extension module enable 12 programmable shortcut keys

Description

12 zone selection (also independently configurable as alarm keys)

All call, soft touch keyboard

RJ45 connectors for direct connections with CAT5e SF-UTP cables

Possibility to extend the system up to 36 zones (with MBT 1106 and/or MBT1112 desk microphone)