CDUS133L is an anti-interference UHF (Anti clone) card. 0.84mm thickness. Printed wiegand number on card. Program card to the system is more easy with a printed number. It can be used for AR300U Xclone UHF mid-range reader or other UHF readers.
Most standard UHF card requires you to hold the card at edge. This is to maximized antenna area to achieve maximum reading distance. If your fingers covered a small portion of the card surface, the reading range will drop a lot. Many users does not realize this correct way of holding UHF card and they are not able to enjoy the fullest reading range offered by UHF readers.
CDUS133L solves this problem with our advance anti-interference technology. The antenna coil is designed to compensate small inductance change and maintain reading range when our fingers covering the small surface on the card.