Transmission of Dc power Supply through RF.

Somebody share some ideas, Regarding transmission of Dc power supply through RF at particular range as discribed below.

a) Transmission through is Dc power supply.

b) Power range - (300v @ 10amp).

c) Tramsmission range - 10km.

Do You mean send AC Power or AC signalling?

AC power cannot be sent through the coax lines because the braid of the coax cable is everitime connected to both chassis and ground. Not only is dangerous for humans but also will produce a short circuit in country where the mains is LINE+NEUTRAL.

AC signalling may be sent through RF path by using multiplexers, i.e. into the very common DBS receivers, a 22 KHz is injectet along the RF coax cable. a simple C-L circuit is used.

First define what do you mean by ac supply and what kind of transmission you have in mind. What is the power range of this ac supply?

Are you by any chance referring to "Wireless Transmission of Electricity/Power"? If not DC can simply be added to the RF signal provided the cable carrying it is rated appropriately.