Non-visual One-to-one Intercom Doorphone Wired Two-way linerphone For 2 Room

Descriptions:

• This product is suitable for warehouse, garage, office, office, concierge security, the hotel front desk, large machines at both ends, prisons, the need to achieve call intercom place.
• 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 continut 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,with wire resistance less than 60 ohms.
• The ring sounds level can't be selected.

Features:

• Intercom doorphone for double rooms
• D-I-Y easy to install
• Operation distance 200m 2-line connected (1 meter cable come with this parcel)
• Energy saving, no current.
• Consumption while not work
• Clear communication via intercom door phone
• Plug into 110-240V AC power or insert 4 cells of R6P size AA 1.5V (alkaline) into the cabinet of either one of the talkback pair

Specifications:

• Output sensitivity: <60mV(Frequency 1000Hz)
• Frequency Response:  ±3ddB(300Hz-3400Hz)
• Noise voltage: <10mV
• Ring sound level: >70dB(AT0.5m)
• Quiescent curreng: <5uA
• Intercom working curreng: <100mA
• Input voltage: AC110-240V

Note:  

• Without Unlock function

Package:

• 2 x Doorphones
• 1 x Connection Wire (Cable length: 1m/3.3ft)

The connecting line effectively intercom wiring requirements:

• 100 meters :  RVV2(2 pin) X 0.5mm²
• 150 meters :  RVV2(2 pin) X 0.8mm²
• 250 meters :  RVV2(2 pin) X 1.0mm²
• 300 meters : RVV2(2 pin) X 1.5 mm²