Firstly, you can according frequency to choice, LF(125-134 KHz) HF(13.56MHz) UHF(860-960Mhz).
Secondly, you can according Reading Distance to choice, LF, HF chip reading distance about 2-5cm, UHF chip reading distance about 1-10m.
If you don' t know how to choose chip, pls feel free to contact us, we can give best suggestion.
RFID (radio frequency identification) technology is an automatic identification technology emerged in the 1990s. RFID wristband tag is one of wearable RFID tags in RFID products. RFID users like it because it is easy to wear, easy to carry and fashionable