Diamond SG-M507 144/430MHz Ham Radio High Gain Antenna RB-400 Base Clip 5M Cable
2.15dBi(144MHz) 5.2dBi(430MHz ). Connector Socket to Antenna: SO239. Diamond SG-M507. 144/430MHz Dual Band. Connector to Radio: PL259. -1 X 5M Cable. Compatible Radio Models Four set-screws insure mount strength for larger antennas.