Window Intercom 3W Anti-Interference Interphone Bank Counter System Dual-Way Intercommunication Microphone

Window Intercom 3W Anti-interference interphone Bank Counter System Dual-Way Intercommunication MicrophoneYou can use the conversation between the inside and outside of the window for the customers' evaluation of the salespersons, and for the supervisor's evaluation of each windows. 1. Usage: the bank staff use the master station to talk with guests. and the guests use the substation can talk with bank staff as well.  2. Installation: the master station is installed in the working place and the sub station out of the working room. Just one wire connection between the master station and substation.   3. Applicaton: bank, restaurant ,stock office, hospital, post office, Box office, Ferr charge station Where guard glass again theft is installed   Functions and Features:1. Two-way voice intercom communications technology, automatic identification of processing speech signals during a call, does not require any action; 2. Auto dual-way intercommunication without pressing any button; Anti-interference and noise-free function 3. Dual-way audio record output; Dedicated anti-side tone processing chip with aoto-mute function 4. Has special side tone processing chip and the movement noise function can effectively improve the noise 5. The voice from this system is clear and natural; Has top-quality speaker and high-sensitive microphone. Especially the metal tube microphone is deal for the counter and the dual-way intercommunication 6. With power on /off and volume knob can control volume by worker  7. Main base Dimension:108*94*43mm     Substation dimension: 68*20mm 8.Material :plastic  Technical Parameters:working voltage: DC12V/0.5A   input voltage: AC 110-240V work power : 2W,100Hz-15Khz  Inside microphone : -48db 20Hz-20Khz  Outside microphone: -48db 20Hz-16Khz  cable length : 1.8M  Packaging List:1 x Dual-way counter interphone 1 x External speaker 1 x Charger 4 x Adhesive 1 x English User Manual   /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1