key card
US /ˈkiː kɑːrd/
UK /ˈkiː kɑːrd/

1.
kartu kunci, kartu akses
a plastic card with a magnetic strip or embedded microchip that is used to open a door or operate a device, especially in hotels or secure buildings
:
•
I used my key card to access my hotel room.
Saya menggunakan kartu kunci saya untuk mengakses kamar hotel saya.
•
Please remember to return your key card at check-out.
Harap ingat untuk mengembalikan kartu kunci Anda saat check-out.