The LF 125KHz EM chip is a kind of cheap read-only applications, a úsáidtear go príomha i réimse an aitheantais, mar gheall ar phraghas íseal na sliseanna, mar sin tá an raon iarratais an-leathan. The surface can be print 18 giotán, 10 bit or 8 bit number, can be made into the same number card, serial number card, can be perforated. Printing portrait photo, can also made into key chain, silicone bracelet or various shapes smart card. RFID smart card-Clamshell card (85.5× 54 × 1.80mm) and ISO card(85.5× 54 × 0.84), the card Water-proof.