UHF+HF dual frequency standard card is developed based on UHF and HF RFID technology, which supports ISO18000-6C/EPC Gen2 protocol as well as ISO14443A protocol. It contains UHF chip such as Alien H3, with HF chip(MF 1K,MF 4k,ultralight,NFC etc.) in it. Users can use it as a UHF card and also a MF card.These dual frequency cards are becoming increasingly popular in loyalty and payment schemes that also want to track attendance and location of a customer.