ITEM NAME:NR-770S VHF UHF 145MHz 435MHz Car Mobile Amateur Radio Antenna with PL Connector Product Description Description: NR-770S VHF UHF Dual Band Mobile Amateur Ham Radio Antenna with PL Connector 145MHz 435MHz Feature: Lightweight mobile ham radio antenna. The center frequency of the antenna is 145MHz (VHF) and 435MHz (UHF), suitable for amateur frequency use. Specification: Model: NR-770S Frequency band: 145MHz/435MHz Length: 44.5cm/17.5" Gain: -db(145MHz)/2.15db(435MHz) Weight: 110g Impedance: 50ÃŽ © Endurance: 100W Connector: PL Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X Ham Radio Antenna.The center frequency of the antenna is 145MHz (VHF) and 435MHz (UHF), suitable for amateur frequency use. Gain: -db(145MHz)/2.15db(435MHz). Connector: PL. Included: 1 X Ham Radio Antenna. If item is defective after 3 months, you can still send it back to us.