With a software adjustable read distance up to 3 feet (0.91 m), the USB Plus+ supports a variety of applications, including RFID tag commissioning, manufacturing WIP, document tracking, library book check inout, retail point of sale, event and hospitality services, hospital patient workflows, and more. UHF, EPCglobal Gen 2 (ISO 18000-6C) compliant Anti-Collision & Dense reader mode (DRM) Internal linear polarized antenna with peak Gain 1 dBi Command adjustable read & write levels (tags)