Dual Way Wired Window Intercom System Squelch Function For Glass Counter

Counter Interphone Window Intercom System Wired Bank Window Intercom
 Functions and Features:
1) Full metal jacket,elegance,aesthetic
2) Hands free two-way talkback full automaticity
3) Micro computer control circuit with squelch function,can thoroughly solve echo and squeal problems.

4) Adopt high-powered mic, elegant appearance, voice is lifelike, clear; the volume of master station and substation can be adjusted separately by oneself
5) Easy installation, there is only one wire for connecting master station and substation.
6) Have output for recording, can connect record equipment external.
7) Widely use at any window internal/external intercom, the place which difficult to talk.