Label Agreement: ISO18000-6C (EPC GEN2) Frequency Hopping: 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 to 26dBm (software adjustable) Reading Distance: Maximum reading distance of the tag: 0.5m (varies based on transmit power, antenna type, tag type, and application environment) Maximum Writing Distance: 0.2m (varies based on transmit power, antenna type, tag type, and application environment) Operating Modes: - Active mode - Passive mode - Answer mode (not recommended) Power Interface: +5V Operating Temperature: -20°C to 55°C Communication Interface: USB virtual keyboard Storage Temperature: -40°C to 85°C Power Source: USB powered Color: White Material: Plastic Note: Due to different product batches, appearance may vary slightly; this does not affect functionality. Package Contents: 1 x UHF Reader 1 x Data Cable (Other items shown are not included) Note: Lighting effects and display settings may cause slight color variations between the image and actual item. Measurement tolerance: +/- 1-3 cm.