The 1087-076 from Southwest Antennas is a dual-band Omni-directional Antenna that operates from 2.1 - 2.5 GHz (S-Band) and 4.4 - 5.9 GHz (C-Band). It provides a gain of up to 2.5 dBi and can handle an input power of up to 50 watts. The antenna has an integrated 2.8" flange mount base with lock-wired screw connection to the TNC(f) RF connector, making this antenna suitable for use with compatible aircraft and helicopter antenna mounts or other vibrating / moving platforms.