Proximity - Access Card Calc

Have a "naked" access card or fob and need to determine its appropriate number and facility code? If you're able to extract the binary or hexadecimal value then Proximity will do the rest. The first calculator of Proximity works one of two ways: By inputting the raw binary value of the card or by inputting the hex equivalent. To use the binary input, simply tap on the box and type in the binary value. The counter in the lower-right corner of the box will keep track of the amount of digits curr