Label Agreement: ISO18000-6C (EPC GEN2)Frequency hopping method: Broad spect frequency hopping (FHSS) or fixed frequency that can be set by software;Antenna parameters: 2dBi circular polarization antenna (built-in)Output Power: 12.5dBm~26dBm (software adjustable)Reading distance: The maximum reading distance of the tag: 0.5m (related to factors such as mit power, antenna type, tag type and application environment)Maximum distance to write tags: 0.2m (depending on factors such as mit power, antenna type, tag type and application environment)Operating mode:Active modePassive modeAnswer mode (not recommended)Power interface: DC +5VOperating temperature: -20-55Communication Interface: USB virtual keyboardstorage temperature: -40-85Power Adapter: USB poweredcolor: Whitematerial: plasticDue to different product batches, the appearance may be different, which does not affect use.Package Contents:1 x UHF Reader1 x data cableOnly 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.