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    1PCS 125Khz RFID Reader Module RDM6300 UART Output Access Control System For Arduino Diy
    $2.63
    Aliexpress
    1PCS 125Khz RFID Reader Module RDM6300 UART Output Access Control System For Arduino Diy
    $2.63
    Aliexpress
    1Set PN532 NFC RFID Wireless Module V3 User Kits Reader Writer Mode IC S50 Card PCB Attenna I2C IIC
    $3.38
    Aliexpress
    1Set PN532 NFC RFID Wireless Module V3 User Kits Reader Writer Mode IC S50 Card PCB Attenna I2C IIC
    $3.38
    Aliexpress
    Hiletgo RDM6300 125 KHZ EM4100 RFID Card Read Module UART Serial Output For Arduino
    $8.29
    Amazon.com
    Hiletgo RDM6300 125 KHZ EM4100 RFID Card Read Module UART Serial Output For Arduino
    $8.29
    Amazon.com
    1PCS 125Khz RFID Reader Module RDM6300 UART Output Access Control System For Arduino Diy
    $1.77
    $1.91
    Aliexpress
    1PCS 125Khz RFID Reader Module RDM6300 UART Output Access Control System For Arduino Diy
    $1.77
    $1.91
    Aliexpress
    1Set PN532 NFC RFID Wireless Module V3 User Kits Reader Writer Mode IC S50 Card PCB Attenna I2C IIC
    $2.95
    Aliexpress
    1Set PN532 NFC RFID Wireless Module V3 User Kits Reader Writer Mode IC S50 Card PCB Attenna I2C IIC
    $2.95
    Aliexpress
    DIYTZT RFID UART Reader Wireless Module 7491E 3Pin 125Khz Card Reading EM4100 8cm DC 5V For IC Card
    $2.00
    $2.22
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    DIYTZT RFID UART Reader Wireless Module 7491E 3Pin 125Khz Card Reading EM4100 8cm DC 5V For IC Card
    $2.00
    $2.22
    Aliexpress
    6-Piece RFID Kit: Mifare RC522 RF IC Card Sensor Module With S50 Blank Cards And Keychains, Compatible With Arduino And Raspberry Pi
    $13.99
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    6-Piece RFID Kit: Mifare RC522 RF IC Card Sensor Module With S50 Blank Cards And Keychains, Compatible With Arduino And Raspberry Pi
    $13.99
    Amazon.com
    MFRC-522 RC-522 RC522 Antenna RFID IC Wireless Module For Arduino IC KEY SPI Writer Reader IC Card
    $0.95
    Aliexpress
    MFRC-522 RC-522 RC522 Antenna RFID IC Wireless Module For Arduino IC KEY SPI Writer Reader IC Card
    $0.95
    Aliexpress
    RFID Reader Wireless Module 3Pin 125Khz Card Reading EM4100 8cm DC 5V For Arduino IC Card PCB
    $1.81
    $3.35
    Aliexpress
    Free shipping
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    RFID Reader Wireless Module 3Pin 125Khz Card Reading EM4100 8cm DC 5V For Arduino IC Card PCB
    $1.81
    $3.35
    Aliexpress
    RFID Read-write Module: rectangular, 13.56 MHz, 80mm read-write distance (PN# RLH-C44PA-NIS)
    $215.00
    Automation Direct
    RFID Read-write Module: rectangular, 13.56 MHz, 80mm read-write distance (PN# RLH-C44PA-NIS)
    $215.00
    Automation Direct
    Hiletgo NFC Reader PN532 13.56Mhz NFC IC Card Reader Module Kit NFC RFID Card Read Module Support SPI IIC UART 3.3V For Arduino Raspberry Pi
    $11.49
    Amazon.com
    Hiletgo NFC Reader PN532 13.56Mhz NFC IC Card Reader Module Kit NFC RFID Card Read Module Support SPI IIC UART 3.3V For Arduino Raspberry Pi
    $11.49
    Amazon.com
    1Pcs Rfid Reader Module Uart 3Pin 125Khz Card Reading Em4100 8cm DC 5V For IC Card PCB Attenna Sensor Kits
    $20.99
    Walmart
    Free shipping
    1Pcs Rfid Reader Module Uart 3Pin 125Khz Card Reading Em4100 8cm DC 5V For IC Card PCB Attenna Sensor Kits
    $20.99
    Walmart
    Wireless Module Kit PN532 NFC RFID V3 NFC Card Reader Writer Module IC S50 Card I2C SPI Wireless For
    $3.61
    $7.54
    Aliexpress
    52% off
    Wireless Module Kit PN532 NFC RFID V3 NFC Card Reader Writer Module IC S50 Card I2C SPI Wireless For
    $3.61
    $7.54
    Aliexpress
    1-10PCS MFRC-522 RC-522 RC522 Antenna RFID IC Wireless Module For Arduino IC KEY SPI Writer Reader
    $1.79
    $1.93
    Aliexpress
    Free shipping
    1-10PCS MFRC-522 RC-522 RC522 Antenna RFID IC Wireless Module For Arduino IC KEY SPI Writer Reader
    $1.79
    $1.93
    Aliexpress
    PN532 NFC RFID Module 13.56Mhz V3 User Kits RFID Wireless Module Reader Writer Module For Arduino
    $7.20
    $21.18
    Aliexpress
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    66% off
    PN532 NFC RFID Module 13.56Mhz V3 User Kits RFID Wireless Module Reader Writer Module For Arduino
    $7.20
    $21.18
    Aliexpress
    Smart Electronics 433Mhz RF Transmitter And Receiver Module Link Kit For Arduino/ARM/MCU WL Diy
    $1.01
    Aliexpress
    Smart Electronics 433Mhz RF Transmitter And Receiver Module Link Kit For Arduino/ARM/MCU WL Diy
    $1.01
    Aliexpress