Not Recommended Purchase 3 out of 5
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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 your handset or not.
While talking, please speak into the micro phone.
When you talk is over,put back the handset,see to it that the pilot light is off,or else the talkback set is still in working condition and continue to consume electric power.
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 kilometers(9842ft), with wire resistance less than 60 ohms.
The ring sounds level can’t be selected.
Intercom doorphone for double rooms
Operation distance 200m 2-line connected (1m cable come with this parcel)
Energy saving, no current
Consumption while not work
Output sensitivity: <60mV(Frequency 1000Hz)
Frequency Response: +/-3ddB(300Hz-3400Hz)
Noise voltage: <10mV
Ring sound level: >70dB(AT 0.5m)
Quiescent current: <5uA
Intercom working current: <100mA
Input voltage: Plug into 110VAC power or insert 4 cells of R6P size AA 1.5V (alkaline) into the cabinet of either one of the talkback pair
Without Unlock function (If need unlock function, please see other listing in our store
2 x Doorphone 1 x Connection Wire (Cable length: 1m/3.3ft)
The connecting line effectively intercom wiring requirements:
100 meters: RVV2(2 pin) x 0.5 square millimeters
150 meters: RVV2(2 pin) x 0.8 square millimeters
250 meters: RVV2(2 pin) x 1.0 square millimeters
300 meters: RVV2(2 pin) x 1.5 square millimeters
- Without Unlock function
- Intercom doorphone for double rooms
- D-I-Y easy to install
- Operation distance 200m/656ft 2-line connected (1 meter cable come with this parcel)
- Plug into 110VAC power or insert 4 cells of R6P size AA 1.5V (alkaline) into the cabinet of either one of the talkback pair