Description/Features:Comprehensive RFID Solution: The YRM100 is a powerful TTL UHF RFID reader and writer moduleIt features an ESP32 interface, ensuring high compatibility and performanceIntegrated RFID Antenna: This module comes with an integrated RFID antenna, providing excellent range and reliability for various RFID tagging and tracking applicationsFlexible Connectivity: Equipped with a TTL interface, the YRM100 offers versatile connection options, making it ideal for hobbyists and professionals alike in developing smart IoT projectsSpecificationsDue to different batches, there may be differences in product appearance and printed text, which not affect useColor: As ShownMaterial: PCBPackage Contents:1 x RFID UHF readerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.