The 1000-029 from Southwest Antennas is an omni-directional whip antenna that operates from 225 to 512 MHz. This vertically polarized antenna has a gain of 2 dBi and can handle a power of 10 Watts with a VSWR of 3.0:1. It is waterproof and has a fully potted design that is 10.930 inches in height and 0.570 inches in diameter. The antenna is available with non-rotating TNC male connectors.