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What is my internet speed?

First three days The speed in the Router “192.168.1.1” is 5 mbit all the time, and in speedtest.net is 5 mbit.

After 3 days The speed in speedtest.net dropped to 4 mbit, but still 5 mbit in the Router.

Notes:

I test …

Device location in LTE/GSM packets?

I’d like to know if any of the LTE or GSM packets have the GPS coordinates of a given device or any information about its geolocation. I mean, there must be a way to locate devices (maybe triangulation from 3 base stations) s…