Features:<br />100% Brand new and high qualityStraight Inner NeedleThe new 5.8G omni-directional efficient mushroom antennaCan effectively expand the launch distance and angleAppling high quality flexible antenna・ can bend the antennas at arbitrary angle without deformationSuitable for: RC helicopterSpecifications:<br />Gain: 2.0dBi-2.5dBiStanding-wave ratio (SWR): &lt;1.5Directivity: Omni-directionalCenter frequency: 5.8GhzSize: 42 x 82 (D x H)Color: blackInterface: 9mmPackage Included:<br />1 x Transmitter/Receiver antennaRetail Package is NOT include.