JT-T0258 is a 9dBi circularly polarized UHF RFID antenna operating at 865–868MHz (EU) and 902–928MHz (US), compliant with ISO18000-6C. It features 70° beam width, VSWR ≤1.3, 50Ω impedance, and N-type female connector. Housed in aluminum+ABS (258×258×36mm, 0.9kg), it withstands -40℃ to +85℃, ideal for harsh outdoor and industrial RFID applications.