The 02402 antenna, is a unity gain, tapered, 17-7PH Stainless Steel, quarter-wave mobile antenna tuneable across the VHF low band 125 to 176MHz. Its robust construction ensures excellent longevity and performance. It is intended for use of the 02720 and 02740 mobile bases. The 02402 antenna is tuned from the base, the radiator is secured to the ferrule with Stainless Steel grub screws.