1Noncontact card reading, the response speed will not be higher than 0.2 seconds, the maximum reading distance can reach 50cm, and the response is sensitive. 2With LED indicator light, adopts a scientific and technological circleshaped LED indicator light. 3Builtin 2dbi circular polarized antenna, output power range is 12.5dBm26dBm (software adjustable). 4Using USB interface, the wire is about 1.4m unfolded, plug and play, no need to install the driver to connect to the computer. 5This desktop reader has builtin buzzer, which can remind you obviously when there is something wrong. 6Multiprotocol compatibility, support ISO180006C and ISO180006B standards. Condition: 100% Brand New Item Type: DesktopReader Color: Black Material: ABS Size: Approx. 107x107x24mm/4.2x4.2x0.9in Working Frequency: CN: 920-925MHz US: 902-928MHz Label Protocol: ISO18000-6C (EPC GEN2), ISO18000-6B Frequency Hopping Mode: Wide Spectrum Frequency Hopping (FHSS) or Fixed Frequency, which can be set by software Antenna Parameters: 2dBi Circularly Polarized Antenna (built-in) Output Power: 12.5dBm-26dBm (Software Adjustable) Reader/Writer Distance: Maximum Distance of Reading Label: Approx. 0.5m/19.7in(Related to transmission power, antenna type, label type and application environment) Maximum Distance of Writing Label: Approx. 0.2m/7.9in(Depending on transmitting power, antenna type, label type and application environment) Working Mode: Active mode, Passive mode, Response mode (not recommended) Power Interface: DC+5V Working Temperature: -20-55Storage Temperature: -40-85Communication Interface: USB Virtual Keyboard Power Adapter: USB Power Supply RS-232 Signal Wire: Equipped Power Cable: Equipped Development Kit: Provide the SDK 1 x Desktop Reader1 x Data Cable