Main technical parametersIC chips: EM4200, GT4100, M1S50/S70,FM11RF08,Alien H4,etc.Operating frequency: LF 125KHz/HF 13.56MHzReading and writing distance: 2.5~10cmReading and writing time: 1-2bula msErase: > 100,000 timesWorking temperature: -20℃~+85℃Data preservation: >10 yearsMaterial: PVC or acrylic, epoxy resin glueOverall dimensions: φ25/30/32mm, 20×25mm, 22×22mm, 30×30mm, kei na so tale, which can be customized Notice: E gadrevi na JavaScript me baleta na lewena oqo.