" ITREALMS: AWT launches TETRA PIM analyzer: S1L TETRA MK2


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Thursday, January 23, 2014

AWT launches TETRA PIM analyzer: S1L TETRA MK2

The AWT Global founded by AceWavetech has launched a new Passive Inter-modulation (PIM) analyzer for Terrestrial Trunked Radio (TETRA) and Ultra-High Frequency (UHF) tagged S1L TETRA MK2 Series, reports ITRealms.
TETRA, formerly known as Trans-European Trunked Radio is a professional mobile radio and two-way transceiver, popularly known as a walkie talkie.
ITRealms gathered that TETRA was specifically designed for use by government agencies, emergency services namely the police forces, fire departments, ambulance; for public safety networks, rail transportation staff for train radios, transport services and the military.
While the UHF is a designate of the International Telecommunication Union (ITU) radio frequency range of electromagnetic waves between 300 Mega Hertz (MHz) and 3 Gega Hertz (GHz).
President, AWT, Mr. Wolfgang Damm disclosed to ITRealms that the new PIM analyzers were designed for measuring TETRA and UHF networks in the 400 MHz frequency range.
“They come with a wide variety of test modes for different tasks including, field measurement mode, analyzer, multi PIM display, Rx sweep, PIM vs. time and single carrier mode for insertion loss (IL) and coverage measurements,” he said.
On the Distance-to-PIM option, he said, it has been embedded in the system, reconnecting antennas is not required, although lower frequencies have higher wavelengths, which demand larger sized components.
According to him, AWT’s engineers have managed to embed the complete system, including options into a compact and convenient single-body enclosure.
TETRA or Terrestrial Trunked RAdio is used globally by many public safety organizations, such as police, fire departments, border patrol, cost guard and many more. It is mandatory that these networks work perfectly. The issue is here not just about a nuisance with low data transfer or dropped calls. Problematic emergency networks may cause people getting hurt and even lives are at stake,” Damm said, stressing  that TETRA utilizes sophisticated modulation schemes, thereby increasing data transmission rates, but this makes it unfortunately also more suceptibility to interferences.

Aa said by him, TETRA channel frequency configuration may cause cross band intermodulation problems, yet both issues make the PIM testing of networks paramount.
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Pix: S1L TETRA MK2 analyzers

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