Introduction A walkie-talkie is a portable, two-way radio device that facilitates instant voice communication over short to medium distances. I ...

This article highlights how Emergency Responder Radio Communication Systems (ERRCS) and Public Safety Distributed Antenna Systems (DAS) significantly improve school safety.

Two-way radios have played a critical role in providing reliable, instant communication in challenging environments. They operate exclusively on dedicated public safety bands such as UHF (380-512 ...

A solid set of walkie-talkies can be essential for good backcountry comms, and we've tested the spread to nail down the best ...

The FCC should also unleash its regulatory hold on the advanced television format ATSC 3.0. The FCC has historically aided ...

ADRF is also introducing the enhanced point of interface card, ADXV-H-POIL-78P-U2, designed to support the new 700/800 MHz remote units. The UL 2524 establishes the most stringent standards to ensure ...

Impinj sees growth in new tech like Gen2X, but legal battles and debt weigh heavy, earning it a 'hold' rating from this ...

The An-124 is the little brother of the An-225 (a decade ago, on July 2, 2014, the An-225 was also in Minnesota). The ...

These two-way radios have evolved significantly from the bulky devices ... a walkie talkie doesn’t do. VHF v UHF Frequency spectra are somewhat arbitrary groups selected to some extent for the benefit ...

Even weirder things are on the way. The highest profile ... covering about a gigahertz of UHF spectrum, plus an additional 16 looking at lower frequencies. These detect both the characteristics and ...

demonstrating the relationship between the two phenomena. Importantly, he suggested that lines of electromagnetic force extend from charged bodies into their surroundings — an essential concept on the ...

The ‘phones in question are particularly interesting, as they turned out upon inspection to be a two-way radio in disguise. Cracking them open revealed a radio board and a logic board ...