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PointlessGeolocation t1_j6dui2t wrote

No, a cell phone jammer wouldn't do anything to a hard wired connection. A jammer just sends very loud noise on various wireless frequencies so something like a phone can't 'hear' or 'be heard' by a tower any more. They're usually very specific on what they jam, so one designed for cell signals might do absolutely nothing to wifi.

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ashjafaree t1_j6dv68k wrote

But cell phone and wifi are at same frequency band

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superbob201 t1_j6dvxfq wrote

It may vary with location, but in the USA the lowest wifi frequency is 2.4GHz, and the highest cell frequency is 2.2GHz

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Target880 t1_j6e1rnu wrote

>It may vary with location, but in the USA the lowest wifi frequency is 2.4GHz, and the highest cell frequency is 2.2GHz

That is not true. Look at https://en.wikipedia.org/wiki/Cellular_frequencies_in_the_United_States there cellular communication in use at 39GHz.

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superbob201 t1_j6eceaq wrote

Welp, that's what I get for thinking phone=voice, and looking at those channels (and even then ignoring that carriers have started using data channels to carry voice).

Those bands still don't intersect any of the Wifi bands. The BRS band comes close to Wifi 2.4GHz band, so a new cell jammer could block old an old wifi router if the jammer was either poorly designed, or designed to block wifi as well

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