Our Blank White 125KHz Proximity Cards are a dependable solution for access control, available in programmed or unprogrammed versions. These cards operate at 125KHz frequency and are compatible with all desktop ID card printers. Each card is sized to CR80 credit card dimensions and can be printed on for easy customization.Available in programmed or unprogrammed versionsCompatible with all desktop ID card printersSized to CR80 credit card dimensions