Diamond SG-M507 144/430 MHz VHF/UHF Dual Band High Gain Prosciutto Radioamatoriale
2.15dBi(144MHz) 5.2dBi(430MHz ). 144/430MHz Dual Band. Compatible Radio Models Diamond SG-M507. And any other radio that uses PL259(SO-239 / SL16 / UHF-M) connector Antennas. for BaoJie: BJ-218.