This high performance 900MHz omnidirectional "rubber-duck" antenna provides broad coverage and 5 dBi gain. It is a coaxial sleeve design with an omni-directional pattern. It is ideally suited for 900MHz ISM band applications as well as cellular applications. Measuring 15.4" long, this flexible antenna features a tilt-and-swivel Reverse Polarity TNC Plug (RP-TNC) connector, allowing them to be used vertically, at a right angle, or any angle in-between.