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Kntech SOS Telephone GSM outdoor
Kntech SOS Telephone GSM outdoor
Product model:Kntech KNZD-09A
size:200*325*80(67 bottom)mm

  • Features
  • Specification
  • Accessories
  • Application
  • Detailed picture

Main features:

Matching with most of PABX,PBX,PAX and VoIP systems.

1. Main body with whole steel body, solid and temperature bearable. Stainless steel body.(Option)

2. Handset free, with or without keypad can be selectable. Front panel includes with microphone 

and speaker.

3. Well treated metal keypad against rust and corrosion.

4. Resume lightning proof protection automatically standard to ITU-T K21.

5. Waterproof rating IP65 both of housing and electronics module.

6. The metal shell is provided with grounding connection device and is absolutely insulated with inner circuit and electric, 

then has the effect of electromagnetism shield.

7. Support hotline call, can realize ring off automatically if the other side close.

8. The design is super thin and smart. Embed style and hanging style can be chosen.

9. The housing color (UV Protection) and logo can to customer specification.

10. The telephone has passed the certificate of ISO9001: 2000

11. LED status display on panel.


As public telephone for indoor or outdoor, elevator phone, taxi or bus stands or station, 

highway call box. railway,

metro, ATM machines side, tunnel, port, dock, mines, generation facilities….

A good ideal telephone for use in wet or corrosive atmospheres.


· Network interface: GSM Frequency 900/1800MHZ (850/1900Mhz is an option)

· Ringing: Through internal speaker/ringer minutes.

· Full duplex communication.

· Power supply: Re-chargeable battery powered, 9-12V/14Ah, Solar back-up: 12V/30W.

· Time out: Selectable 0-20 minutes.

· Automatic and remote volume control.(Option)

· Supported SMS or GPRS

· Sound level of ringing:≥70dB(A). 1W speaker.

· On-site or remote diagnostics and programmable. (Option)

· Telephone panel can be selectable.

· Operating temperature: -20 °C to +60°C. (Expanded temperature -20 °C to +70°C is an  option)

· Relative humidity: 10% to 95%.

· Built-in battery standby: 21 Days.

· Built-in battery talking time: 21 Hours.

· MTBF : 100000 Hours.

· MTTR : 15-20 Min.

· RoHS Compliant.


EMC: EN50121 (Railway application- Electromagnetic Compatibility)
      EN55022: emissions
      EN55024: immunity
Ingress Protection: GB4208-93 IP67
ITU-T Recommendations K21

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