really wide band vhf low profile mobile antennas are hard to come by. i have one. specs: band width @ a 1.5:1 vswr 18 mhz, bw @ a 2:1 vswr 24 mhz, gain equal to a 1/4wave whip, mounts on a motorola 3/4 inch mount, has no "delicate" caps or inductors to burn out, unlimited power, easy to install even a caveman could it! height 4 inches. been working with low pro ants. since 1966..........thanks for reading this....dave