telephone cable KNZD-05 waterproof shockproof dustproof cell phone, waterproof speaker
Characteristics:
1. Autodial when phone is picked up.
2.The number to dial-up can be optionally set or changed with requirement
3. Provided with the full function of the common telephone;
4. Wearable, high reliability, waterproof, moistureproof.
5. Be applicable for attended and unattended condition
Application Examples:
1.It is applicable for speedway system to dial-up help call for emergency;
2.It is applicable for railway or metro system to dialup the section telephone;
3.It is applicable for customers to dialup complaining or service telephone of ATM machines or other service stations
Packaging specifications:
Machine size:320 *230 *130( mm )
Carton size:410 *365 *155( mm )
Gross weight:4.8KG
Net weight:3.3KG
| Technical parameter | |
Ambient temperature | -30~+60°C |
Defend grade | IP65 |
Relative humidity | 10%--95% |
Atmospheric pressure | 86~106KPa |
Circumstance noise | less than 60dB(A) |
Sound level of ringing | >70dB(A) |
Standard frequency | 697. 770. 852. 941Hz |
Call transmission index | (5KM)SLR<12,RLR<-1,STMR>10, output impedance is 600 Ohm. |
