Minefields can make a war zone uninhabitable for decades after the conflict. The fight against this began with the invention ...

Modern communication signals are restricted to tightly regulated channels to maximise the social and economic benefits of the radio spectrum ... These systems adopt a simple receiver architecture that ...

This tag is an active circuit which generates a signal ... transmitter. Receiver The receiver will decode the data received by the antenna and covert it into 128 bit binary data stream. Although, the ...

If you're looking to dig into the world of hi-fi systems that consist of a separate stereo receiver or integrated amplifier that powers a set of passive speakers — whether your passion is ...

Only the Sangean WR-11SE picked up more AM channels, but the WR-15’s signal held stronger ... tuning (but not HD Radio), 10 station presets on the face of the receiver and 18 via the included ...

Abstract: The frequency upconverter provides one of the basic building blocks of heterodyne radio ... between the transmitter local oscillator signal and the receiver local oscillator signal. This ...

The concept behind the LARK M2S was simple, make an extremely cost-effective ... The TX and RX units are very lightweight. The transmitter of LARK M2S has a titanium alloy clip, which holds it ...

The NRSC’s AM Improvement Working Group published a study examining the effects of RF noise on AM radio reception in cars.

The chances are that many of you will have made an FM “bug” style transmitter, a simple one-transistor oscillator usually driven by a small electret microphone. It’s also relatively ...

TV signals can bend during high pressure weather conditions, causing signal interference ... affecting reception of television and radio services which will continue into the weekend.

the agents circled the blocks of duplexes along Pomona and Armington avenues as their sophisticated direction-finding equipment zeroed in on the whereabouts of an unlicensed radio signal ...

Wifi is a radio signal, and when a radio signal passes through a solid material, it weakens—and certain materials have a bigger impact than others. Metal is a good electrical conductor ...