Two-way intercom microphone with monitoring

YTM-GN3022 is a new design product for better gooseneck microphone and base control.
This two way window intercom microphone base power supply is DC 12V/ 500mA.
It can be use on ticket booth, reception ,information center, conference system, church, broadcasting.
And also can application for bank, post office, cashier desk ,railway station, stock-exchange.
Yo-tronics is a headphone ,and microphone supplier, manufacturers in Taiwan.