UH-401-UHF Mobile Antennas (410-532MHz) Features: FREQUENCY: UH-401A ( 410-430 MHz ) UH-401B ( 430-450 MHz ) UH-401C ( 450-470 MHz ) UH-401D ( 470-490 MHz ) UH-401E ( 490-512 MHz ) UH-401F ( 512-532 MHz ) GAIN : 3 dBd #304 STAINLESS STEEL WHIP NMO CONNECTION