Audio Door Phone Audio Handset Audio Door Phone Intercom Audio Video Doorbell For Villa
1. Two way intercom, one way call and lock function
2. Two wire connection support unlock from indoor phone
3. With a new ABS plastic, durable/ Metal panel for option
4. Excellent consumer side of the tone circuit, intercom voice clarity
5. Effective distance of 300 meters above intercom
6. 2wire DIY Easy installation easy use
2wire auido doorphone intercom
1. Audio distortion rate of 50mW
2. Talk time: unlimited, free calls
3. Input voltage: AC220V 50Hz, Output voltage: AC12V 1200mA
4. Frequency response: 300 ~ 3400HZ
5. Working voltage: DC12V
6. Power consumption: static <0.2W, call status <2W
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
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 both the talkback pair. |

