Product Specification:
Power | AC110V or AC220V 50-60Hz | |
Feed Currency | DC48V; 25mA | |
Ringing Currency | AC65v/50Hz | |
DISA | 10 second | |
Communication path | 1 | |
Extension number length | 2 to 4 digits | |
Caller ID | * Receive: Auto adapt DTMF, FSK (Bell.202) | |
* Send: FSK (Bell.202) | ||
Dial mode | DTMF | |
Degree of Unbalance | * 300Hz~600Hz≤40dB | |
about earth | * 600Hz~3400Hz≤46dB | |
Transmission Attributes | * Extension to extension ≤1.5dB | |
* Extension to extension ≤2.0dB |