Share on (1465731666):
1.Remote control lock
Extension can remotely unlock the door machine (only in the extension is valid after the call and turned to prevent misuse and unlock households)
2. password unlocking
Household Independent unlock password and an administrator password, the user can modify their own unlock password.
3. Timed calls
Any two of talk time are limited to about 2 minutes.
4 security feature
Any conversation between the two sides, the third party were unable to eavesdropping.
5. Automatic System Check
Host can self-test system short-circuit, open circuit, and other system failures, and displays the corresponding error code.
6. IC card entrance guard
Households are available at the door the door open contactless IC card electric lock (required to install Access Module)
Audio response: 300 to 3400Hz, ± 3dB/1000Hz
Speech distortion: ≤ 5%
Response channel SNR: ≥ 35dB
Call the main channel SNR: ≥ 40dB
Ringing voltage: ≥ 70dB

Non-visual host
Power: DC11.5V ~ 16V / Standby 60mA Operating 120mA (not including unlocking)
Audio: Audio response: 300 to 3400Hz, ± 3dB/1000Hz
Harmonic distortion: ≤ 5%
Response channel SNR: ≥ 35dB
Call the main channel SNR: ≥ 40dB
Response channel audio output without distortion power: ≥ 100mW
Call the main channel audio output without distortion power: ≥ 5mW
Ringing voltage: ≥ 70dB
Display digits: three, four digital tube
Load capacity: 127 floors decoders
Wiring: Host to the floor for the three wire bus decoder, the decoder to the intercom extension for second-line non-polar

Non-video decoder
Operating voltage: DC9 ~ 12V
Operating Current: 10mA
Decoding range: 0 - 64 and each code can take four extensions (ie 64X4)
Load capacity: 4 Extension

Uninterruptible Power Supply
AC input voltage: AC187 --- 242V
DC output voltage: DC13.5V
Overcurrent protection point: 3A
Double over-temperature protection temperature: 80 °C (IC); 160 °C (transformer)
Battery life: 24 hours (new battery, the specific time and frequency of use related)
Battery Capacity: 4AH
Backup battery: Automatic
Backup battery input: Auto
Over-discharge protection voltage: 10.5V
Dielectric strength: 1500V

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Visual, non-visual system is fully compatible and can be upgraded

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