Features: Discover power of technology, featuring a high integration read/write chip for complete card operations using simple commands. This mini embedded module boasts a Antennas design, low power consumption (<30uA), for various cards. For developers, device manufacturers, and professionals seek efficient and customizable solution in applications. Perfect for integration into electronic class boards, meter for water, electricity, and gas, as well as transportation card readers and desktop card issuers. With its size, LED indicator, and software expansion capabilities, this module is tailored for projects requiring reliable functionality. Specifications: Material: Plastic Power: 3dBm Support: for NTAG203, NTAG213；S50, S70, FM11RF08 Size: About. 4x2cm/1.57x0.79in Package Includes: 1pc High Frequency Read Write Module note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.