Designed for Two-Way Government/Commercial radio communications, the Multi-Polarized Super-M 400™ Mobile antenna offers a light weight, unique tri-element construction and is easily installed on any vehicle. The Super-M 400™ Mobile seamlessly covers the frequency range from 400MHz to 500MHz providing improved wireless communication in “Real World” obstructed non-line-of-sight (NLOS) environments. Multi-Polarized technology with MP Antenna design and production standards make the Super-M 400™ Mobile antenna the ideal antenna for signal stability in Government or Commercial vehicles. For ultimate performance use Super-M antennas on the receiver and transmitter to further reduce problematic dead zones and flutter.