SIP telephone / analog / VoIP / IP66
SIP, analog, VoIP
for underground mining, for tunnels, for railway applications, for marine applications, roadside
with protection door, wall-mounted, hands-free, emergency, help point, paging, for harsh environments, vandal-proof, weather-resistant, waterproof, intrinsically safe
Max.: 85 dB
Min.: 70 dB
1. Product features:
Automatically dial with one button;
Call time limited;
Send address code of this machine, and code sending time can be adjustable
High waterproof, dustproof performance, full aluminum phone cover, IP66 protection grade;
Sprayed with imported reflective lacquer on the surface, bright color, 5-10 years not fading, completely conform to the standards of GB/T5237.2-2000.
2. Scope of application:
It is applied to highway for emergency call, railway or subway for interval telephone call, and tunnels, electric tunnels for maintenance call.
3. Technical Parameters:
Ambient temperature:-30 ~ +60 degreeRelative humidity:10%~95%;
Atmospheric pressure: 86~106Kpa Circumstance noise:less than 60dB(A)
Sound level of ringing:over 70dB(A);
Standard frequency:low frequency group:697. 770. 852. 941Hz;
high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5%:
If service line is a 3Km signal - level:
Standard frequency:low frequency group:-12dB~-6dB, high frequency group:-10dB~-4dB, level difference between low and high frequency of compound signal:0dB~3dB, the total distortion caused by intermodulation of harmonic wave is lower than the basic level by at least 20dB;
Call transmission index:(5KM)SLR<12,RLR10, output impedance is 600 Ohm;
Parameters is kept in EEPROM, no losing with power-fail.