GME Male to Male Adaptor - 3/8 to 5/16 - Suit 27Mhz Antenna Trust GME to supply only the best in VHF and UHF radios, antennas, accessories and emergency beacons to let you explore the great outdoors in confidence The AD201 is a Male to Male Adaptor – 3/8 to 5/16 to suit 27Mhz Antennas. Designed and engineered to be class leading, and with a reputation for outstanding reliability and build quality, you can have the utmost faith in your GME purchase to work as it should when you are far from home. Chosen by Kenworth trucks and other OE manufacturers as their standard fitment you are assured of ease of use, rugged dependability and a product that has been extensively tested in all conditions. Whether traversing outback ranges, cutting through snowy mountain passes or riding the ocean waves, GME products are made to work in the toughest of environments when reliability matters. GME are the leading name in radio communication and continue to invest in cutting edge technology to manufacture their innovative products in Australia.