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Specifications

DTMF Dial Signal0mile:HF : -6+2dBm LF : -8+2dBm 5mile:HF: >-21dBm LF: >21dBm
Handset Function ConformOREM-A Rule
Open Frequency Alternating Resistance≧100kΩ
Tele-cable Lighting Stroke TestMax voltage >800V
Standard ColorWhite
Standard Voltage48VDC
Voltage RangeMax 25 mA
Installation LocationDomestic/ Elevator
Max Operating Channel1
Max Operating Distance5 km
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