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AC or DC audio intercom doorphone HZ-HX-3209

৳ 1,450.00

AC or DC audio intercom door phone for double rooms
Model No-HZ-HX-3209
Specifications

audio doorbell
1. very cheap price
2, easy installation
3, very clear voice and long distance
4.energy saving

Introduction

This productcan be used in apartments, villas, hotels, offices, public buildings etc. two-way call and intercom.convenient for double rooms .

Directions for use

• Plug into 220V AC power.or insert 4 cells of R6P SIZE AA1.5V (alkaline) into the cabinet of either one

of the talkback pair.

• When you want to have a talk with the other, press down the push button and bell of his or her set will

ring no matter whether you take up you handset or not .

• While talking, please speak into the microphone.

• When the talk is over, put back the handset, see it that the pilot light is off, or else the talkback set is still

in working condition and continue to consume electricpower.

• Our talkbacks are convenient to connect by means of twin conductor in common use, while connecting

please pay attention to the colour of the two different conductors.

• The effective talkback distance is 3 kilometres, with wire resistance less than 60 ohms.

• The ring sounds level can be selected.

Parameters

1. output sensitivity <60mV ( frequency 1000 Hz )

2. frequency response ±3dB ( 300Hz-3400Hz )

3. noise voltage <10mV

4. ring sound level >70dB ( AT 0.5m )

5. quiescent current <5uA

6. intercom working current <100mA

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