Feature 1UV dual-band antenna, the receiving frequency is wider, to meet your needs. 2144/430Mhz receive/transmit frequency, 2.15dBi gain, the signal is strong, the transmission distance is far. 3Full-scale scanning and transmission to ensure stable signal transmission. 4Manufactured from premium stainless steel materials for a long service life and stable performance. 5Perfect fit with the original, can replace the old or bad antenna and be used directly.Conditon: 100% Brand NewItem Type: AntennaProduct Model: NL770SMaterial: Stainless SteelColor: As Pictures ShownFrequency Range: 144/430MHzBandwidth: 6MHz (144MHz) 10MHz (430MHz)Input Impedance: 50Standing Wave Ratio: <1.5Gain: 2.15dBiPower Capacity: 100WPolarization Mode: VerticalRadiation Direction: OmnidirectionalLightning Protection: DC groundingHeight: Approx. 445mm/17.5inBottom Diameter: Approx. 18.2mm/0.72in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Set ofAntenna(Included Tool)Note1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.