Highway call BOX
Highway call box for freeway made of matel. The weatherproof telephone is rugged and durable. Special sealing design can ensure complete waterproof grade up to IP66. weatherproof , dustproof and moisture-resistant. The Highway call box widely used in expressway and outdoor. Most expressway project need install IP66 telephone for emergency communication. Solar powered highway call box work as 911 call box for freeway assistance.
1.Well treated PCB used inside the phone.
2.Robust screw terminals used for the connection of ringer,handset,line in,hookswitch.
3.Selectable 7 minute time out,to release the line if the handset is left off hook.
4.All connectors be greased in production.
VOIP OVER IP-SIP(Version)
Connection type:Rj45 Socket inside sealed enclosure
Power supply:External 5V dc
Call set-up Protocol:Session Initiation Protocol(SIP)
Configuration:DHCP or STATIC IP address provisioning
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1.Network Interface:GSM Frequency:850/900/1800/1900MHz.
2.Ringing:Through internal Speaker/ringer
3.Power Supply:Re-chargeable Battery powered:9V/14Ah,Solar back-up:12V/30W.
4.Time out: selectable 0-20 minutes
5.Temperature:-20°to +60°C emp.
6.Relative Humidity:up to 90%
7.Built-in battery Standby:21 days.
8.Built-in battery talking time:21 hours.