Radio Relay System: Hardware, RC Car/Plane, Cheap, Durable

AI Thread Summary
A strictly hardware radio signal system for RC cars or planes is being sought, focusing on affordability and durability. The desired system should remotely control electrical flow, stopping it when off and allowing it when on. Suggestions for suitable components or systems that meet these criteria are requested. The discussion emphasizes the need for reliability in remote operation. Recommendations for specific products or setups are welcomed.
Cazizlr
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I am looking for a strictly hardware radio signal system. Something along the lines of what you would find in a RC car or plane. Any suggestions? Hopefully something relativily cheap, and fairly durable. Thanks for any response.
 
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When turned off, stop an electrical flow to a device, and when turned on, allow the flow. All remotley, of coarse.
 
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