News Vertex Standard announces DMR portfolio 9th March 2011 The Vertex Standard DMR portable is ruggedized, can operate on more than 500 channels, has a full display and keypad, and supports analog voice, digital voice and radio-to-radio text messaging.
Winning the battle 1st March 2011 Last month, we began to explore radio-frequency interference, every technician’s bane. Now we look at additional causes of RFI and — more importantly — what can be done about them.
News NPSTC seeks LMR exception to revised intrinsically safe standard 1st February 2011 NPSTC asked that the revised FM standard not be implemented until 2017 or that LMR radios be held to a separate intrinsically safe standard than other devices.
The bane of your existence 1st February 2011 Radio-frequency interference is something that every radio-system engineer will encounter, sooner or later. In this installment, we begin to explain how it occurs and what to do about it.
Commentary Protect yourself 1st February 2011 Are we seeing the beginning of the end regarding single-municipality public-safety radio systems? There are some indications that point to a significant migration from such systems to wide-area, single-licensee systems.
News Software-defined radio moves toward milestone 5th January 2011 First commercial devices for the white-space market are expected by the end of next month.
Powertrunk gets type approval for TETRA subscriber, mobile units 8th December 2010 PowerTrunk has been granted authorization from the FCC and Industry Canada for its TETRA HTT-500 subscriber unit and its MDT-400 mobile unit to operate in the 409–470 and 806–870 MHz bands.
Article Full speed ahead 1st December 2010 Next year, some projects will move forward in high gear, while others will remain stuck in neutral.
Commentary Extinction is inevitable 12th October 2010 Just as the radio was overtaken by television as the primary communications medium in the U.S., I believe that mission-critical IP voice will overtake LMR as we know it today. It’s only a matter of time.
Commentary xG Technology: Cognitive radio is real today 17th September 2010 Although currently designed to operate in the unlicensed 900 MHz ISM band, the cognitive-radio characteristics of the xMAX technology allows the system to be frequency agnostic, according to Rick Rotondo, xG Technology’s vice president of marketing.
Latest 3GPP standards-development work includes new classes of HPUE, progress on mission-critical services 1 22nd April 2024
Is LMR the best solution for first responders? Should 4.9 GHz license go to the FirstNet Authority? 2 24th March 2024