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Flying with Airwave

Airborne Tetra equipment to be used in support of three cycle races has been included by Airwave in tests of the communications network which will be used during next year’s Olympic Games. The events include the men’s Olympic road cycling rac…

1st December 2011
Talk of the track

Talk of the track

Higher running speeds, increasing traffic and ever more demanding passengers have been driving a revolution in railway communications. Tim Guest reports Train communications have come a long way since 1913, when the first onboard wireless set, operated b…

1st December 2011
Duplexers and cavity filters

Duplexers and cavity filters

The 84000/85000 series of duplexers and cavity filters from Eleading Technologies covers TETRA bands between 300 MHz and 470 MHz. Typical of the duplexers is model 84305A, which covers the receive band 455–460 MHz and transmit band 465–470 MH…

1st October 2011
Multifunctional remote speaker-microphone

Multifunctional remote speaker-microphone

Also from CeoTronics is this universal remote unit for two-way radios, which includes ports for additional audio accessories as well as an internal speaker-microphone. The large PTT on the front occupies almost half of the surface, allowing easy operatio…

1st October 2011
ATEX headsets which offer hearing protection

ATEX headsets which offer hearing protection

A range of audio accessories from CeoTronics in Germany includes the ATEX-approved CT-ClipCom/Ex, which is designed as an intrinsically safe device in accordance with European standards EN 60079-0:2006 and EN 60079-11:2007. Corresponding to the high …

1st October 2011
An essential investment

An essential investment

Norway’s TETRA public safety network may be one of the last large ones to be built in western Europe, but it has some unique features. Richard Lambley reports from Oslo For a start, it’s important for you, as a foreigner, to understand that y…

1st October 2011
Making waves

Making waves

For emergency services and users such as public transport operators who conduct their activities in coastal regions, TETRA is increasingly drifting out to sea. Tim Guest reports There is no doubting the success of TETRA as a digital multi-agency commun…

1st October 2011
Keeping radio traffic secure

Keeping radio traffic secure

Alun Lewis looks into the security features of TETRA digital mobile communications technology against the background of political and other developments in the wider world Since the dawn of recorded history, people have found ever more ingenious ways to …

1st October 2011
Mission critical

Mission critical

The TETRA Association has become the TETRA + Critical Communications Association. Phil Godfrey, its chairman, talks to TETRA TODAY about the thinking behind the change of name and his vision of the association’s expanded mission The mobile communic…

1st October 2011

Dutch police roll with Sepura

  Twente Police selected the Colour Console and SRG3900 mobile radio for their exceptional IP67-rated waterproofing. In addition, Sepura says, the force was impressed with the console’s user interface, with its large, easy-to-read colour d…

1st October 2011
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