The M2 125-175-8 Helix antenna offers medium performance characteristics for specialized fixed and rapid deploy operations within the 150 to 175 MHz band. It is perfect for either terrestrial or satellite applications. The antenna is supplied with acounter weight.The antenna is shipped with the helix assembled less ground plane. Finishes are optional. The steelcounterweight is zinc plated. Optional arrays of 2 or more are available. Other frequency ranges and gains are also available down to 100 and up to 1300 MHz. Complete motorized, computer controlled AZ-EL systems are also manufactured by M2. Where circular polarity is not required but high bandwidth is, M2 offers a line of various log periodic antennas from 5 to 1300 MHz. If it is antenna related, we probably have made it. Call us with your requirements.