It acts as a master key for hotel room door locks ... proof of concept used an Arduino board and a simple adapter to unlock any door in under one second. Now that hardware has been reduced ...

Google Wallet gained the ability to unlock hotel room doors at participating locations ... in Google Wallet work the same as RFID hotel room key cards and digital room key functionality offered ...

Hotel experts are ... to problems when trying to unlock your room, as the electronic lock may struggle to read the card. To avoid any issues, it's best to keep your key card in a cool, dry place ...

Travel enthusiasts have been cautioned by hotel ... trying to unlock your room, as the electronic lock may struggle to read the card. To avoid any issues, it's best to keep your key card in ...