Analoge Phones with "Self-Test" as standard
can also be included in many other phones as an option
Self-Test

Conventional mount heavy duty telephone with handset

  • Weather-resistance and rugged construction
  • Safety due to their non-metallic case & handset
  • Corrosion resistance
  • Solid State Electronics throughout
  • Highly reliable operation & ultra-low cost of ownership
  • Non-mechanical detection of the presence of the handset in its stowage
  • Electrical connections may be brought in through a standard gland
  • Many options to suit your exact requirements

For further information on "Self-Test" klick here
Rail, Tram and Metro
Maritime and Shipping
Airport and Aviation
Mining and Tunnels
Roads & Highways
Power Stations & Industry
ProductsLanHandset • Self Test
Extek design and manufacture arduous & hazardous area telephones to individual customer specifications.


Maritime and Shipping
Rail, Tram and Metro
Airport and Aviation
Minning and Tunnels
Manufacturing, Power Stations and Industry
Roads and Highways
Medical and Pharmaceutical applications
High Noise Environment