9dbi UHF RFID UHF RFID antenna 902-928mhz long distance circular polarization antenna 260 * 260mm
https://www.vogueparade.com/shopping/EN/4002/3/1005001884741940/9dbi-uhf-rfid-uhf-rfid-antenna-902-928mhz-long-distance-circular-polarization-antenna-260-260mm//