Label Agreement: ISO18000-6C (EPC GEN2) Frequency hopping method: Broad spectrum 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 transmit power, antenna type, tag type and application environment) Maximum distance to write tags: 0.2m (depending on factors such as transmit power, antenna type, tag type and application environment) Operating mode: Active mode Passive mode Answer mode (not recommended) Power interface: DC +5V Operating temperature: -20-55 Communication Interface: USB virtual keyboard Storage temperature: -40-85 Power Adapter: USB powered Color: White Material: Plastic Due to different product batches, the appearance may vary, which does not affect functionality. Package Contents: 1 x UHF Reader 1 x Data Cable Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. Measurement allowed error is +/- 1-3cm.