Description

Hands free two-way talkback full automatically

Easy installation there is only one wire for connecting master station and substation
Micro computer control circuit with squelch function, can  thoroughly solve echo and squeal problems
Adopt high-powered mic, elegant appearance, voice is lifelike and clear, the volume of master station and substation can be adjusted  separately
With output for recording, can connect record equipment external
Widely used in any window internal/external intercom, wherever difficult to talk

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