Wilson 314411 (formerly 304411) Outside Building Directional Antenna is a 700-2500 MHz wide band antenna making it suitable for use with dual band or Nextel/iDen applications. This higher gain antenna makes it ideally suited to be paired with Wilson's top performing amplifiers. This vertically polarized uni-directional antenna is housed in a sealed UV stabilized ABS plastic casing, making it highly weather resistant. Mounts on poles up to 2 inches in diameter. Pipe mounting hardware is included.