TF-204 4-wire intercom system interface

1. TF-204 Four Channel intercom system is devided into two styles

one is 2 channel,the other is 4 channel that provide you more choice and 

satisfy more customers' requirement.except that we also use sidetone

adjustable technic.this technic is very important for intercom system user

because it can be based on your requirement and your circumstance to

adjust output so that you will get best output voice.

2.for input and output we adopt steerable frequency level,you can adjust

input and output base on your requirements.achieve the multi-purpose.

3.the size is 482mmx155mmx44.5mm.

4.the weight is 1.2Kg.

Two channel:

Four channel: