TELEWAVE's ANT150D single folded dipole antenna covers the 138 – 174 MHz frequency range. This VHF antenna has a precision phasing harness for optimum performance and is terminated with an N Male connector. The dipole antenna achieves 1 – 2.5 dBd gain dependent on its pattern and has a maximum power input of 500 W. Clamp set is included, need to purchase mast separately.brgt/brThis Telewave ANT150D adjustable pattern omni antenna is constructed with 6061-T6 aluminum and is welded at the base for maximum strength. Elements are sealed with a high tech coating that protects against corrosive gases, ultraviolet (UV) radiation, salt spray, acid rain, and windblown abrasives.