Designed for HAM Scanner and Two-Way Government/Commercial communications the MultiPolarized Super-M Ultra Mobile antenna covers the frequency range from 25MHz to 6GHz (88MHz - 6GHz transmit) providing unequaled wireless communication in Real World obstructed non-line-of-sight (NLOS) environments. The Super-M Ultra Mobile antenna is the gold level standard of two way communication incorporating Multipolarization for ultimate signal stability and is the widest bandwidth antenna on the market. For ultimate performance use Super-M antennas on the receiver and transmitter to further reduce problematic dead zones and flutter.,