Technical Specifications
Bus protocol: FSK, DTMF | Frequency response: 200Hz ~ 16KHz |
Harmonic distortion: ≤0.3% | MIC input sensitivity: 10mV |
SNR: > 70dB | Built-in speaker impedance and power: 20 Ω, 1 w |
Signal line level: 16V ~ 36V | Power: 2 w or less |
Line impedance: 300 Ω | Operating temperature: -10 ~ +60℃ |
Working humidity: 10% ~ 90% | Extension size: 78x120x12mm |
Hand pager size: 105x35x15mm | |
Length of handheld line: 2m(maximum tension); 1.2m(when suspended) |
Functions
- Call/uncall: support call to nurse station host and uncall.
- Power supply mode: bus system power supply.
- Notice: the call distance shall be no more than 0.3m.