For some uses in Ukraine that is true, but even there they are still using radio for many drones, and especially their longest range drones (100+km).

There's also payload and loiter time to consider.

If you have a drone that can watch the battlefield for hours instead of minutes that is incredibly useful. Same story if you have a drone that can 3x its payload.

Maybe. Last I checked Ukraine preferred radio drones to fiber optic - the spool is heavy and a limitation in many ways (not all that I understand). Fiber optics are used only when you can't get something else to works. Advances in AI, radio relay systems, self-navigation, and anti electronic warfare are all things they are working on so they can use more drones without fiber. For longer ranges drones fiber is not an option and so they have no choice but use something else.

Where fiber optic is used though, that is the limit. That is a minority though.

Depends on the battle but yes. Even then the range is usually at least 10 km and starts to be limited by the size of the spool you're going to carry on the drone (though dealing with general cable issues over the distance is one of the reasons this type can't be used for everything).

if it’s the same range for less weight you have more room for munitions and other gadgets

Autonomous kamikaze drones don't need spools.

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