Multi-frequency Rfid Reader 125khz/134.2khz Iso 11784 Em4150/em4305 Uart Ttl. Introducing the CZSTARRFID CZS134 RFID Antenna, Designed for Reliable and Efficient Data Reading and Writing. This Versatile Antenna Operates at Frequencies of 134.2 KHz or 125 KHz, Making It Ideal for a Variety of Applications Including Libraries, Access Control, Asset Inventory, and More. The Antenna Supports Tags Like EM/TK4100, EM4305, and EM4550, and is Constructed from High-quality Pure Copper for Enhanced Durability and Performance. The CZS134 Antenna Offers a Read Range of 1-20 Cm, Depending on the Application and Installation, and is Compatible with the ISO11784/85 FDX-B Protocol. It is Available in Multiple Shapes and Sizes, Including Rectangle, Square, and Round Circle, with Customizable Dimensions to Suit Specific Needs. With a Service Life of 100,000 Rewrites and 10 Years of Data Storage, This Antenna Ensures Longevity and Reliability. Key Features: - Frequencies: 134.2 KHz or 125 KHz - Supported Tags: EM/TK4100, EM4305, EM4550 - Shapes: Rectangle, Square, Round Circle - Material: Pure Copper - Read Range: 1-20 Cm (varying by Setup) - Protocol: ISO11784/85 FDX-B - Durability: 100,000 Rewrites, 10-year Data Storage - Temperature Range: -50 to +85°C - Applications: Libraries, Access Control, Inventory Management, Schools, and More Whether for Commercial or Personal Use, the CZSTARRFID CZS134 RFID Antenna Delivers Outstanding Performance Across a Range of Environments, Ensuring Your Data Management Needs Are Met Efficiently and Effectively..