A few months ago, we saw a hack where a $20 USB TV tuner was transformed into a software-defined radio capable of reading GPS signals, listening to radio transmissions between aircraft and a control ...

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Back in the day, building a DIY radio was fun! We only had to get our hands at a germanium diode, make some coils, and with a resistor and long wire as an antenna maybe we could get some sound out of ...

We have been able to conclude that using an isotropic antenna, an RFID reader might achieve a read range of a few meters with 1 watt of output power. This configuration might be fine if RFID tags of ...

CNET’s Maggie Reardon helps readers with the ins and outs of accessing free radio from a mobile phone -- a potentially key ability in emergency situations. Marguerite Reardon started as a CNET News ...

Tutorial High School’s Agricultural Science Department has received a much needed boost. A Ministry of Education release on Tuesday said that its radio station, EdYou FM, donated a quantity of farming ...

Passive and semipassive RFID tags do not use a radio transmitter; instead, they use modulation of the reflected power from the tag antenna. Reflection of radio waves from an object has been a subject ...