PAC ISO Proximity Card | Pack of 10 | 21039PACs 153kHz ISO Cards are passive proximity devices requiring no batteries, designed to provide a quick and easy method of gaining access to an area secured by an Access Control System. The ISO proximity cards are ideal for customers who wish to carry their identification in a wallet or a purse as well as include personal security details. The card can be directly printed onto with additional information such as the cardholders photograph or signature