Whats your application? Door car? Dragster? F/C? or? Buy a 4 or 5 watt UHF system. Don't bother with GMRS radios (stuff you buy at walmart or cheap $300 to $500 system) depending on your application I have a few systems that would work for you. http://www.chitownraceproducts.com Drag systems.not to change the subject on you here.....but what is a good driver and crew chief setup? looking for something and YB knows all.....bump to the top