RF MISO’s Model RM-BCA218-4 is a vertical linear polarized biconical antenna that operates from 2-18GHz. The antenna offers a gain 4 dBi Typ. and low VSWR 1.5:1 with SMA-KFD connector. It designed for EMC, reconnaissance, orientation, remote sensing, and flush mounted vehicle applications. These helical antennas can be used as separate antenna components or as feeders for reflector satellite antennas.