5/8 Wave over 1/2 wave dipole. 8dB gain. The ultra-performer, the most effective 8dB antenna system available, thanks to its increased signal capture area. Brass and copper elements, stainless steel ferrule with standard 1"-14 thread, includes 20' RG-8/X cable and PL-259 connector. Two sections: base 94", tip 74". Suggested mount: 409 or 410 mounting kit.