Power Source 48 V DC (supplied from the IP intercom exchange (option))

Power Consumption 1.8 W (at rated), 2.4 W (max.)

Wiring Method Non-polar one pair stranded wire system

Transmission System 2 wire 160 kbps echo canceller transmission system

Signal Level Under 0 dB*

Speech Method Hands-free conversation

Audio Frequency Range 300 - 7,000 Hz

Transmission Range Max. 1500 m (φ0.65 mm, Loop resistance 170 Ω)

Hands-free Speaker (accessory) : 3.5 cm cone-type, 1 W, 8 Ω

Microphone (accessory) : Omni-directional electret condenser microphone

Contact Output Open collector output, withstand voltage : Max. 30 V DC, control current : Max. 50 mA

one shot : can be set from 1 to 9 sec, screw terminal (polarized)

Line Connection Terminal 2 wire, screw terminal (non-polar)

Status Indicator LED Connecting Terminal Solderless connector (5 pins, male), voltage : 5 V, maximum load current : 4.1 mA

Call Button Connecting Terminal Solderless connector (5 pins, male), open voltage : 3.3 V DC,

short-circuit current : 1.5 mA

Operation Temperature -10℃ to +50℃

Operation Humidity Under 90% RH (no condensation)

Dimensions 67 (W) × 128.3 (H) × 26 (D) mm

Weight 100 g (including accessories)