We had a program written that enabled the computer to read a key-card which would then allow the release of the lock on an entrance door. Of late, we had a computer problem and the technician came in ...

125 KHz card reader systems have been a cornerstone of access control for decades. Unfortunately, 125 KHz cards can be easily copied and duplicated with readily available off-the-shelf products, ...

Technology that allows hotel guests to use their phones as room keys is expanding, taking aim at those environmentally unfriendly plastic cards. By Karen Schwartz The demonstration using the cellphone ...