Brand: KOQICALL

You 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 window.
1.Usage: the bank staff use the master station to talk with guests, and the guest 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.
3.Application: bank, stock office, hospital, post office, Box office, Toll station, etc.

Functions and Features:
1)Hands-free two-way talkback with full automaticity, microphone is clear for both side;
2)Microcomputer controlled circuit with squelch function, can solve echo and squeal problems;
3)Adopts high-powered mic, the voice is lifelike and clear;
4)Easy installation, there is only one wire for master station and substation connection.
5)Volume of master station and substation can be adjusted separately.
6)With recorder jack, can output both route's sound and signal.
7)Have individual button to turn ON/OFF MUTE function for both of side
When you turn on Outside "mute" key, outside guest can’t hear inside voice.
Also when you turn on Inside "mute" key, inside worker can’t hear outside voice.

Specification:
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: 3M
Main base Dimension: 162*110*40mm
Substation dimension: 80*20mm
Material: plastic

Packaging List:
1 x Dual-way counter interphone
1 x External speaker
1 x Charger
4 x Adhesive
1 x English User Manual


• Knob Voice Adjustment, can adjust voice by worker freely. Signals can transmit simultaneously from different directions, window speaker system can automatically recognize and process the speech signals; Much clear sound and less statics.
• High-sensitive Microphone, Loud and Clear Voice; This system adopt the advanced microcomputer. It has good speaker and high-sensitive microphone. Especially the microphone is deal for the counter and the dual-way inter-communication. The voice is clear and natural, anti-interruption and noise-free function.
• Easy to use: Just need to insert power adapter into outlet and connect outside speaker to the main station; The microphone cable is flexible.
• Dual-way Audio Record: Inside and outside two-way voice signal output(recording by the bank teller), a stereo jack output mode can prevent the voice recording function from controlled by the power switch and the function buttons. In addition, Have individual key to turn ON/OFF MUTE function for both of side.
• Application: It suitable for the Bank window, Ticket offices, Hospital window, Post office window, Securities window, Embassy visa office, Securities Company, Hospital, Station where the security glazing is installed.