China Tunnel Call Station Roadside Telephone Public Emergency Telephone, Find details about China Public Emergency Telephone, Roadside Telephone from Tunnel Call Station Roadside Telephone Public Emergency Telephone
Analogue Version | |
Power Supply | From the analogue telephone network |
Supply Voltage | 24 VDC to 65 VDC |
Supply Current | 20 mA DC to 100 mA DC |
Ringer Volume | - 80dB(A) at a distance of 1 m |
- 110dB(A) at a distance of 1 m (for external horn speaker) | |
Dialing Method | DTMF mode in accordance with ITU-T recommendation Q.23. |
SIP Version | |
Power Supply | PoE or 12V DC |
Power Consumption | -Idle:1.5W -Active:1.8W |
SIP Protocol | SIP 2.0 (RFC3261) |
Support Codec | G.711 A/U, G.722 8000/16000, G.723, G.729 |
Communication Type | Full duplex |
Ringer volume | - 90~95dB(A) at a distance of 1 m - 110dB(A) at a distance of 1 m (for external horn speaker) |
3G Version | |
Power Supply | 12V DC |
Power Consumption | -Idle:0.3W -Active: 1.5W |
Communication Type | Full duplex |
Ringer volume | 90~95dB(A) at a distance of 1 m |
Program Method | Remote programming by SMS |
Frequency | A version: - Dual-Band WCDMA/HSDPA 850/1900MHz - Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz E version: - Dual-Band UMTS/HSDPA 900/2100MHz - Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz J version: - Dual-Band UMTS/HSDPA 850(800)/2100MHz - Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz |
Ambient conditions | |
Protection type | IP 66 as per EN60529 |
Operating temperature | -25°C to +70°C |
Storage temperature | -25°C to +85°C |