It makes sense that high power cell towers can reach cell phones. How do cell phones send signals back to towers?

Question

It makes sense that high power cell towers can reach cell phones. How do cell phones send signals back to towers?

In: Technology

Answer 1

1. one tower needs to serve many devices, your phone only needs to talk to the tower.

2. The tower has a bigger antenna, with a better ability to “focus” at a particular direction.

3. You typically upload much less than you download.