Grumpy Ken

Newbie question, to which I cannot find an answer. I hope to to use an Android tablet for FPV reception - it is certainly NOT 5.8G but the majority of new drones are 5G. - and I haven't yet bought a UAV since I sent my Eachine 511S back to it's unhelpful (Banggood) seller. As understand it, with common drone technology 5.8G is generated by the remote controller to communicate with 5G drones - the FPV comes from the drone to the tablet. But do I, in fact, need a 5g mobile or tablet to do this?