{"product_id":"rfid-fdx-b-animal-tag-reader-module-uart-em4305-134khz","title":"RFID FDX-B Animal Tag Reader Module UART EM4305 134.2KHz","description":"\n\u003ch2\u003eRFID FDX-B Animal Tag Reader Module – UART Interface, 134.2KHz EM4305 Compatible\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLIHTNE 134-3R RFID Animal Tag Reader Module\u003c\/strong\u003e is a compact, easy-to-integrate solution for reading FDX-B animal identification tags using the EM4305 chip. Designed for developers, hobbyists, and OEM integrators working with livestock tracking, pet microchip verification, or embedded systems, this module outputs clean UART data for seamless integration with microcontrollers and single-board computers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Notice:\u003c\/strong\u003e When tested with an oscilloscope, the antenna on this module operates at \u003cstrong\u003e125kHz\u003c\/strong\u003e — this is intentional. It is a cost-effective design that replaces the 134.2kHz carrier with a 125kHz antenna to read FDX-B protocol tags using the EM4305 chip. \u003cem\u003eThis module is only compatible with EM4305-based FDX-B tags.\u003c\/em\u003e If your tag chip is not EM4305-FDX, this module is not suitable for your application.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTag Type:\u003c\/strong\u003e 134.2KHz FDX-B Animal Tags (EM4305 chip)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRead Distance:\u003c\/strong\u003e Up to 4cm (2×12mm glass tube tag); up to 3cm (1.5×8.5mm glass tube tag) — results may vary\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e 5V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Current:\u003c\/strong\u003e ~25mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Interface:\u003c\/strong\u003e UART (9600, N, 8, 1)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Format:\u003c\/strong\u003e 16 Hex ASCII Code\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Dimensions:\u003c\/strong\u003e 20mm × 30mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoil Dimensions:\u003c\/strong\u003e 60mm × 75mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e 134-3R\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× RFID FDX-B EM4305 Reader Module (134-3R)\u003c\/li\u003e\n  \u003cli\u003eWiring diagram included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLivestock and animal management systems\u003c\/li\u003e\n  \u003cli\u003ePet microchip tag scanning\u003c\/li\u003e\n  \u003cli\u003eEmbedded RFID reader development\u003c\/li\u003e\n  \u003cli\u003eArduino, Raspberry Pi, and other microcontroller integrations\u003c\/li\u003e\n  \u003cli\u003eDIY RFID access or tracking projects using FDX-B EM4305 tags\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Notes\u003c\/h3\u003e\n\u003cp\u003eThe module communicates via a standard UART serial interface at 9600 baud (No parity, 8 data bits, 1 stop bit), making it easy to connect to virtually any microcontroller or development board. Data is output as a 16-character Hex ASCII string for straightforward parsing.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on RFID standards used in animal identification, visit the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e for relevant technical and standards resources.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: Is this RFID animal tag reader module compatible with all FDX-B tags?\u003c\/h4\u003e\n\u003cp\u003eA: No — this module is specifically designed to work with \u003cstrong\u003eEM4305-based FDX-B tags only\u003c\/strong\u003e. While it follows the FDX-B protocol, its antenna operates at 125kHz instead of the standard 134.2kHz. If your tag chip is not an EM4305, this module will not read it reliably. Please verify your tag's chip type before purchasing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What interface does this RFID reader module use, and how do I connect it?\u003c\/h4\u003e\n\u003cp\u003eA: The module uses a standard \u003cstrong\u003eUART serial interface\u003c\/strong\u003e (9600 baud, No parity, 8 data bits, 1 stop bit). It can be connected directly to a microcontroller's TX\/RX pins (e.g., Arduino, ESP32, Raspberry Pi). The module operates at 5V and draws approximately 25mA. A wiring diagram is included with the module to simplify setup.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the read range of this FDX-B animal tag reader?\u003c\/h4\u003e\n\u003cp\u003eA: The read distance is approximately \u003cstrong\u003e4cm for 2×12mm glass tube tags\u003c\/strong\u003e and \u003cstrong\u003e3cm for 1.5×8.5mm glass tube tags\u003c\/strong\u003e. These are reference values and actual performance may vary depending on environmental factors, antenna orientation, and tag placement.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What data format does the module output?\u003c\/h4\u003e\n\u003cp\u003eA: The module outputs tag data as a \u003cstrong\u003e16-character Hex ASCII code\u003c\/strong\u003e over the UART interface, making it easy to parse programmatically in any language that supports serial communication.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this RFID animal tag reader module compatible with all FDX-B tags?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this module is specifically designed to work with EM4305-based FDX-B tags only. While it follows the FDX-B protocol, its antenna operates at 125kHz instead of the standard 134.2kHz. 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