HYS TC-RHF40 2M/70CM Super Flexible Whip BNC Antenna Flexible Whip Antenna 2 Meter/70cm(144Mhz&430Mhz) VSWR: &lt;1.5,Gain: 2.15dBi (144MHz) ,2.5dBi(430MHz) Compatible with Two-way handheld Kenwood radio :TK100, TK200, TK220, TK300, TK310, TK320, TK308, TH28A, TH42AT Compatible with Two-way handheld Motorola radio :HT440, HT90: Maxon HR, CP500, CP520, 1015 Compatible with Two-way handheld Vertex radio:734, 834, HR146, HX300, HX320, HX400, CU32, CP/CS 5015, 0420