NubianProx Credentials to GR AWID Access Control reader. Compatible to AWID 26bit PVC Cards. AWID 26bit Clamshell card, AWID ID Key fobs, AWID proximity Tags 26bit STD Format. Proximity cards are available in a wide range of styles, so you can pick the card type that will work best for your organization: Standard PVC cards ; Composite cards; Printable PVC or composite cards; Clamshell cards; Cards with magnetic stripes; Key fobs; Adhesive tags; Wristbands