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by p_l
1720 days ago
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It's mostly your random good luck and other people's random bad luck. A lot of building design choices can result in severe signal attenuation in microwave range, and not all buildings will have internal femtocells to cover that - or femtocells that accept your SIM. Also, some buildings change over time in how they attenuate, especially freshly built ones where the walls are still "drying" can have close to 0 reception inside. When my parents built their current home, I had to keep an informal map of where the signal was strong enough to use GPRS (yay 7s ping in MUDs) and for voice we usually went outside. |
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