2
3. Technical Parameters
3.1
Standby, working current: 50mA, ≤2A
3.2
Amplification power supply voltage: AC100-240V/50-60Hz
3.3
Feeding voltage: DC48V
3.4
Frequency response: 300
～
3400 Hz
3.5
Loop impedance: 680Ω
3.6
Dialing level: -6
～
-8 db
3.7
Standard: DTMF
3.8
Distortion degree: ≤2%
3.9
Protection level: IP66
3.10
Size specifications: 12.2 ''*8.3'' *5.8''
3.11
Net weight: 11.5 LBS
3.12
Installation method: wall-mounted
4. Product Dimensions and Installation
4.1 product dimensions
