The proximitycardcoil of anelectronicfare collectionsystem. A proximitycardor proxcard[1], also known as akeycardorkeycard, is a contactlesscardtechnology that can be read without being inserting into a reader device that was required by earlier developed contact typecards...
Accesscontrolsystemsoffer many forms ofelectronickeycarddepending on the security need.Functions and Features ofAccessControlCards. One of the primary functions ofelectronickeycardis to grantaccessto secure areas by authentication of the cardholder.
Electronicaccesscontrolsystemsgenerally consist of three main components:electroniclocks that are attached to doors,cardreaders that work in conjunction with the locks,keycards, and a central computer that tracks the statuses and interactions between thekeycardsand door locks.

KEY-CARDSMetal roomkeysare being replaced byelectronicallycodedkey-cards. Akeycardis a plasticcardwhich stores a digital signature that is used withelectronicaccesscontrollocks. It is normally a flat, rectangular piece of plastic and may also serve as an IDcard.
Kadonio High SecurityElectronicCardKeySmart Hotel Door Lock With Rfid Management SoftwareSystem.125Khz RFIDAccessControllerIP66 Waterproof FingerprintAccessControlTuya APP.

Electronickeycardfor unlocking hotel doors. Smartcardfor dooraccesscontrol. Concept of securitysystemsand protection.
Electronickeycardlocks are locks that useelectroniccomponents tocontrolaccess. They usekeycardsembedded withelectronicchips instead of traditionalkeys. Eachkeycardis programmed with a unique code corresponding to a specific lock.

Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It loves hacking digital stuff, such as radio protocols,accesscontrolsystems, hardware, and more. It's fully open-source and customizable, so you can extend it in whatever way you like.