11 Dec
2017
11 Dec
'17
1:57 p.m.
At university someone was conducting an experiment in the faraday cage radio proof room. Half way through he received a text message! Cellular connectivity in built up areas is almost entirely limited by interference and congestion rather than signal strength. This was in a “city” with about 1million people.
On 11/12/2017, at 6:20 PM, Mark Webb-Johnson <mark@webb-johnson.net> wrote:
I’ve tried removing antenna, and putting it in a steel box, but I can’t seem to lose cellular connectivity :-( Seems that the cellular signals are too strong here in HK