The exclusive TrueRC CORE 5.8Ghz Antenna is a distillation of all those years working with drone enthusiasts and professionals alike. This omnidirectional antenna starts with a refined RF design that provides excellent consistency within units and various cable configurations. TrueRC then added a very durable outer shell that protects the antenna from inevitable crashes.Choose a Length: 80mm, 125mm, or 160mmChoose a Polarization: RHCP or LHCPChoose a Color: Teal or RedFeaturesDurable polycarbonate, Injection Molded, ultra-sonically welded housingSmooth radiation pattern with even gain in all directionsExclusive knurled True-SMA for easy tighteningFlexible coax cable option that deflects impactsClear indication of polarization directionExcellent axial ratio and efficiencySpecificationsDimensions (head): 16.9mm dia. x 13.1mm height.Cable: TrueRC RG316S/RG402/RG178 coaxWeight: Vary with connector/cable optionCross-Polar Rejection: -10 to -20dBLengths: 80mm, 125mm, or 160mmPolarization: RHCP or LHCPBandwidth: 5.5GHz-6.1GHzRadiation Efficiency: 98%Color: Red or TealConnector: SMASWR: