5/8 Slim Duck 3 to 7 db gain flexible base loaded antenna, manufactured tough enough for the military and aesthetically pleasing for the consumer. While utilizing the Tuned Antenna's one piece MPQ-2000 Space Age covering system. Available in Murs, GMRS, VHF, UHF, Business band and 146-465 MHz. This new flex coil matching network provides at band center low SWR as well as a + or - 5 MHz band center. (Example an antenna tuned at 151 being the band center, the antenna will perform the same between 146-156 MHz.) For a custom frequency call 1-800-527-5439 or email sales@smileyantenna.com 5"-12"