PURPOSE：

Suitable for intercom in banking counter or charging  window etc. environment.

FEATURES：

1. To adopt a single DSP multi-channel acoustic   technology to prevent howling and channel interference effectively and   realize digital HD full-duplex intercom really and truly, GA38-2015 Compliant.

2. To adopt a full touch button design for the   window intercom, without time limitation of pressing button.

3. To identify the sound source, at the same   time, suppress environment noise, with function of automatic volume adjustment   and restoring true voice.

4. To provide three scene modes (quiet,   standard, noisy), available for one key adjustment.

5. With a single tail line design to connect   internal and external unit of window intercom to avoid cable loosening and   make desktop tidy and more be beautiful. The connection between the machine and the   machine using a tail line to the end of the table, the better solution to   move loose wiring, clean desktop, more solid and beautiful;