Maxtena M1227HCT L1/L2 GPS GLONASS Active Antennas feature an IP67 rating when mounted for added protection and are designed for L1/L2 GPS and GLONASS bands. These antennas are ground plane independent and have an ultra-lightweight 45g design and low axial ratio. The M1227HCT-TNC-G antenna offers a TNC connector, while the M1227HCT-SMA-GN has an SMA male connector. Maxtena M1227HCT L1/L2 GPS GLONASS Active Antennas are ideal for precision navigation, precision timing, asset tracking, mining equipment, military and security, and law enforcement applications.