◆ The telephone set can form an independent communication system with the program-controlled switch.
◆ Can be directly connected to the telecommunication network.
◆ After the call system is formed, each phone works independentlyThe failure of one of the stations does not affect the work of the entire system.
◆ Built-in power amplifier, support external speakers and warning lights, automatically when incoming calls Connected, usually powered off, which is safer; after forming a communication system,The product has an automatic gain function, and the size of the voice does not vary with the distanceThe length of the phone or the number of phones varies.
◆ The internal circuit of the telephone adopts DSPG digital chip, which has the Accurate number, clear call, stable work and so on.
◆ The surface of carbon steel is electrostatically sprayed, with high mechanical strength and impact resistance powerful.
◆ The handle, fork and keyboard of key parts are all made by our company.Production, strict quality control, fast after-sales response quick.
|Standby operating current||≤1mA|
|Frequency response||250～3000 Hz|
|Ring tone level||≥100dB|
Scope of application
◆ Suitable for subways, pipe galleries, tunnels, highways, power plants, gas stations, wharfs, ironand steelplants and other places, in
environments with special requirements for moisture-proof, fire-proof, noise-proof, dust-proof, and freeze-proof.
1. The caller picks up the phone, presses the button, and dials the called party's phone number → the called party's phone rings
2. The called party hears the ringtone → press the button to answer the call, the two parties talk normally
3. When the call ends, hang up the handset
Why Choose Us
|Certification :||SGS, ISO 9001:2000 , CE, FCC,ROHS,CNEX, IP65/IP66/IP67,|
|Packing:||1 set/carton, 8.5kg/carton|
|Delivery date:||3-7 days|
|Supply Ability:||5000 sets/month|
|Payment Term:||T/T, Paypal, Alibaba Trade Assurance, L/C or others for negotiation.|
|Samples Offer:||Samples are available and can be free for strategic customer.|
|Samples arrangement:||Standard samples will be prepared to sending in about 3 working days.|
|(And DHL 3-5days; UPS 3-5days; Fedex / TNT 3 5days; EMS 7 days to reach destination)|
|After-sales Service||2 Years' Warranty and spare parts are available for maintenance.|
|Contact||Tel: 0086-574-58223619, Mob: +86-13858299692|