For some car parks, network,even LAN network is not so good, sometimes, will be offline, but need to ensure the continous working of parking system, so offline function is key important at this moment.
Using a special technology, COMA achieve offline function for ticket system, it is very good for above said car park application, it is a brand new technology from mifare card(using written function) offline funciton.
For more information, please contact us