Home > Products >  SOS Telephone EM Series GSM  >  
Wireless telephone
Wireless telephone
Product model:KNEM-27

Wireless telephone
  • Features
  • Specification
  • Accessories
  • Application
  • Detailed picture
  • video

Main Features:
1.  Metal body, solid and temperature bearable
2.  Handset free, With or without keypad optional. With 2 units of built in loudspeaker on the top ,
3.  With Dual Cards Dual Standby function, 5 group of speed call button. Heavy duty Vandal resistant buttons.
4.  With wireless camera on the top to view the onsite environment via PC or Mobile Handset
5.  Lightning protection standard to ITU-T K21
6.  Waterproof grade about IP55
7.  Body with grounding connection protection
8.  Support hotline call, self stop if the other side hang up.
9.  Built-in loud speaker, noise canceling microphone
10.  Lighting will flash when there is a incoming call
11.  AC 110v/220v powered or built-in rechargeable battery with solar powered panel optional
12.  The design is super thin and smart. Embed style and hanging style can be chosen. 
13.  Time out function optional
14.  Colours: RED + Stainless steel , If the qty over 100pcs can be To customer specification


As Public telephone for outdoor, Taxi or bus stands or station, Highway call box. Railway, Port, Dock, Generation facilities….A good ideal telephone for use in wet or corrosive atmospheres

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℃~ +60℃
6. Relative Humidity: up to 90%
7. Built-in battery Standby: 21days
8. Built-in battery talking time: 21 hours

Net weight:5.1KG

EMC: EN50121 (Railway application- Electromagnetic Compatibility)
     EN55022: emissions   EN55024: immunity
Ingress Protection: GB4208-93 IP66
ITU-T Recommendations K21
Telephone Unit size: 2500*310*255mm Unit Net weight: 90kg
1pcs in a wooden box CTN box, size: 2530X630X450cm   G.W: 186kg
20GP: 88PCS  40GP: 176PCS  40HQ: 205PCS