ITEM NAME:2Pieces 16-Inch Retractable VHF/UHF (144/430Mhz) Dual Band Antenna SMA-Female Description: SMA-F connector , Length: 39.6 cm (~15.6 inches) – 4†Retracted Dual Band UV VHF/UHF 144/430Mhz ,Max Power 10W Gain 2.15db,Widely used on handheld Radios with SMA female interface Compatible with:BaoFeng:BF-F8HP, UV-82HP, UV-82 Series, UV-5R (All models), and all others And any other radio that uses the SMA-FEMALE Connection Specification: Frequency: VHF/UHF MHz Gain: 2.15dBi Max power: 10 Watts VSWR : Less 1.5:1 Impedance: 50 OHM Connector: SMA-F Length: 39.6 cm (~15.6 inches) – 4†Retracted Impedance : 50 ohms Package Includes: 2Pieces SMA-Female Antenna SKU: ALU0014802668008325.2Pieces SMA-Female Antenna. Gain 2.15db,Widely used on handheld Radios with SMA female interface. Dual Band UV VHF/UHF. Impedance: 50 OHM. Impedance : 50 ohms. Max power: 10 Watts. Frequency: VHF/UHF MHz.