Sentences with phrase «transmitted radio pulses»
The tag transmits a radio pulse that can be picked up at least 20 kilometres away — much further than existing tags can signal — and crucially, it needs no batteries to work.
https://www.newscientist.com/ Not exact matches
A small antenna flips up to stand proud of the watch face, and transmits pulses of radio energy.
In contrast to the variable radio waves of analog broadcasting, digital TV (or DTV) uses electrical pulses to transmit information precisely and efficiently.