YARONGTECH ISO14443A 13.56MHZ MIFARE Classic 1K Keychain Grey color pack of 10 Black industrial_Dec2022 Battery Powered

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But minor color difference maybe exist due to different light and monitor setting photo

Hilitchi SAE Set Screws 304 Stainless Steel with Hex Allen Drive & Oval Point Indentation

Pay attention to the wiring sequence and I/O port when wiring

Widely applicable: Widely used in air sampling

YARONGTECH ISO14443A 13.56MHZ MIFARE Classic 1K Keychain Grey color pack of 10 Black industrial_Dec2022 Battery PoweredYARONGTECH ISO14443A 13. 56MHZ MIFARE Classic 1K Keychain Grey color pack of 10 1. MIFARE Classic? 1K Chip 2. 13. 56MHZ 3. Grey color 4. ABS Material,waterproof. 5. With metal ring. 6. can work with RC522 and PN532 MIFARE and MIFARE Classic are trademarks of NXP B. V. Please contact with us before you order if you don't know what kind of chip that you use now. Product Features