Feature: 1. Compatibility and Frequency: The UHF card reader has an operating frequency of 902MHz to 928MHz and is compatible for ISO 18000‑6C standard. 2. Multifunctional: This small integrated reader can perform short distance identification and back end card reader management, serving multiple purposes in one device. 3. Portability and Versatility: With its compact size, it's easy to carry and suitable for personnel access control, picture file management, and back end electronic tag reading and writing. 4. Applicable Scenarios: Suitable for logistics warehouse management, intelligent car park management, product anti counterfeiting detection, consumer management, attendance management, food and beverage management, swimming pool management and other systems. 5. Read and Write Distance: With the maximum reading distance at 0.5m and writing tag maximum at 0.2m, depending on factors like launch power, antenna type, tag type, and application environment. Specification: Item Type: UHF Identification Card Readerer Material: ABS Model: W17C-USB Size: Approx. 105 x 65 x 15mm / 4.1 x 2.6 x 0.6in Frequency Hopping: 920-925MHz, 902-928MHz Tag Protocol: For ISO18000-6C (EPC GEN2) Frequency Hopping Mode: FHSS or Fixed Frequency, Adjustable via Software Antenna Parameters: 2dBi Circularly Polarized Antenna (Built-in) Output Power: 12.5dBm-26dBm (Adjustable via Software) Read Distance: Maximum Reading Distance for Tags: 0.5m / 1.64ft (Depends on Transmit Power, Antenna Type, Tag Type, and Application Environment) Write Distance: Maximum Writing Distance for Tags: 0.2m / 0.66ft (Depends on Transmit Power, Antenna Type, Tag Type, and Application Environment) Operating Modes: Active Mode, Passive Mode, Response Mode (Not Recommended) Power Input: DC 5V Communication Interface: USB Virtual Keyboard Operating Temperature: -20°C-55°C / -4°F-131°F Storage Temperature: -40°C-85°C / -40°F-185°F Power Adapter: USB Powered RS-232 Signal Line: Equipped Power Line: Equipped Development Kit: SDK Provided. Package List: 1 x UHF Identification Card Reader 1 x Connection Cable