Model: RH-660S - Color: Black - Material: Plastic + copper - Frequency: VHF: 136~174MHz / UHF: 400~470MHz - Gain: 3.0dBi(144MHz) / 5.0dBi(430MHz) - Max Power: 10W - Standing wave ratio (SWR): Less than 1.5 - Impedance: 50 ohm - Length: 106cm (max.) 28cm (min.) - Connector type: SMA-K - Suitable for walkie talkie Kenwood TK-3107 / TK-2107 / 3207 / 2207; Wouxun KG-UVD1 KG669 KG659 KG679 KG689 KG639 KG699 KG801; PuXing PX-777 PX777PLUS PX333 PX888 PX328 PX999 PX-666; QuanSheng TG-6A TG-UV TG-K4AT TG-2AT TG-45AT TG-42AT TG-22AT TG-25AT; BaoFeng BF-888S/BF-666S/BF-777S/BF-UV5R BF-UV5RA BF-480