3 ms·
Fluid water absorbs it very well, but the wavelength for 2.4 GHz is 0.125 m.
by lolc 4y ago
Fluid water absorbs it very well, but the wavelength for 2.4 GHz is 0.125 m.
- usrusr 4y ago“length of a water molecule (at an accuracy of 1 ft)"
- galangalalgol 4y agoYeah antennas need to resonate, not just absorb. A litre of water wouldn't be a very good antenna at 2.4, but it would warm up due to absorption if it is a trong signal. A vhf antenna might make a terrible antenna at 2.4 as well, but it would also warm up in a strong enough signal. Don't belive me? Shove one in a microwave (please don't really).