The Package includes a RC522 Reader/Write module with a RFID card and RFID keychain. The RC522 operates on 13.56MHz enabling two way (read and write)
RC522 RFID Card Reader/Detector Module Kit, 13.56Mhz - ElectroDragon
Embeddinator RC522 MFRC-522 RFID Reader Module with Tag and Keychain : : Industrial & Scientific
13.56MHz RFID module RC522 RFID Reader Writer module with RFID TAG S50
NFC RFID Module Kits MFRC-522 RC-522 RC522 PN532 Wireless Module S50 13.56MHz With Tags SPI Write Read for Arduino Raspberry Pi - AliExpress
13.56MHz RFID/NFC Card Reader Module MFRC-522, RC522,PN532 kit
Buy RC522 RFID 13.56MHZ Reader Writer Module Online – QuartzComponents
RFID/NFC Card Reader Kit (13.56MHz, MFRC522 Module + Card + Key Chain) in Canada Robotix
In-Depth: What is RFID? How It Works? Interface RC522 with Arduino
Current: 13-26mA/DC 3.3V; Idle Current: 10-13mA/DC 3.3V; Data Transfer Rate: Max.10Mbit/s; Power Voltage: 3.3V; Operating frequency: 13.56MHz The
AITIAO 4Pcs RFID Kit Mifare RC522 RF IC Card Sensor Module MFRC-522 RFID Reader Module + S50 White Card + Key Ring for Raspberry Pi