Features 1、Non‑contact 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. 2、With LED indicator light, adopts a scientific and technological circle‑shaped LED indicator light. 3、Built‑in 2dbi circular polarized antenna, output power range is 12.5dBm‑26dBm (software adjustable). 4、Using USB interface, the wire is about 1.4m unfolded, plug and play, no need to install the driver to connect to the computer. 5、This desktop reader has built‑in buzzer, which can remind you obviously when there is something wrong. 6、Multi‑protocol compatibility, support ISO18000‑6C and ISO18000‑6B standards. Specification Condition: 100% Brand New Item Type: Desktop Reader Color: Black Material: ABS Size: Approx. 107x107x24mm/4.2x4.2x0.9in Working Frequency: CN: 920-925MHz 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: -20-55 ℃ Storage Temperature: -40-85 ℃ Communication Interface: USB Virtual Keyboard Power Adapter: USB Power Supply RS-232 Signal Wire: Equipped Power Cable: Equipped Development Kit: Provide the SDK Package List 1 x Desktop Reader 1 x Data Cable