RSFA-5207 Dimension: antenna body 52 x 7 mmFrequency: 850/900/1800/1900 MHzApplication: 3G/4G module communication RSFS-5207 RSFA-3565 Dimension: antenna body 35 x 6.5 mmFrequency: 850/900/1800/1900 MHzApplication: 3G/4G module communication RSFA-3565