Our new two-track magnetic card decoding single chip WIT131K, chip sop14 package, integrated USB interface functions, without having to install drivers, plug and play, the ability to identify strong, wide speed range card at: 10 ~ 120cm / s, the code rate fast; In addition, the use of external memory AT24C01A replace the original code switch, set the output format by setting the software easy to operate, reliable, higher-grade products. Simple circuit, low cost, performance is inferior to hardware decoding, one of your two-track magnetic U port reader the best choice.