Maxtena M1600HCT-P-SMA Helix Iridium Antenna is built on proprietary Maxtena Helicore® technology, which provides pattern control, polarization purity, and high efficiency in a compact form factor. This high-performance antenna is designed for the Iridium network and GPS / GLONASS bands. It features a screw-on design with an integrated SMA connector and is rated IP67 (when mounted) for added protection. The antenna is ultra-lightweight at 11g and ground-plane independent. Maxtena M1600HCT-P-SMA Helix Iridium Antenna is ideal for applications requiring high-quality GPS, GLONASS, and Iridium satellite reception.