Eli5- How do consumer drones (DJI, etc) broadcast the camera image to your phone from so far away? How come you can control a drone and view the feed like a mile away but I have trouble getting Wi-Fi reception on the other side of condo
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There are two important things range of communication depends on when it comes to radio communication frequency and power. Higher frequency means more data but less range, this is why 5 ghz can carry more data than a 2.4 GHz wifi signal. Power increases range but the further your signal travels but the fewer people can use the same signal without interference. Like imagine being in a crowded room the louder people talk the lower the amount of productive conversations but the further away you’ll be able to hear a particular person. Now both wifi and Bluetooth are heavily used and therefore their power is severely limited. However if you use a different frequency band with higher power limits you can greatly increase range
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