{"product_id":"rfid-13-56mhz-keychain-fob","title":"13.56MHz RFID Keychain Fob (MIFARE Classic)","description":"\u003ch1\u003e13.56MHz RFID Keychain Fob (MIFARE Classic)\u003c\/h1\u003e\n\u003cp\u003eA 13.56MHz MIFARE Classic key fob in a durable keychain form factor. It is the companion tag for the MFRC522 and other 13.56MHz readers, ideal for door locks and access control where a card is less convenient to carry.\u003c\/p\u003e\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMFRC522 13.56MHz reader\/writer\u003c\/li\u003e\n  \u003cli\u003ePN532 and other 13.56MHz readers\u003c\/li\u003e\n  \u003cli\u003eWorks alongside 13.56MHz MIFARE cards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuild it with Compoden's AI\u003c\/h2\u003e\u003cp\u003ePairing a tag with the right reader and code trips up a lot of first builds. Describe your access-control or attendance project to Compoden's AI build assistant. It matches the tag to a compatible reader at the same frequency, checks every part against real stock, and hands you the wiring and the code.\u003c\/p\u003e\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eWe have spent 10 years supplying RFID, electronics, and robotics parts to makers, schools, and access-control projects across India. Every Compoden order includes our AI build companion to help you wire the reader, write the code, and get the tag reading on the first try.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it work with the MFRC522?\u003c\/summary\u003e\u003cp\u003eYes. It is a 13.56MHz MIFARE Classic tag, exactly what the MFRC522 reads.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it the same as the RFID card, just a fob?\u003c\/summary\u003e\u003cp\u003eFunctionally yes - same 13.56MHz MIFARE technology in a keychain shape.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill a 125KHz reader read it?\u003c\/summary\u003e\u003cp\u003eNo - this is 13.56MHz; use it with a 13.56MHz reader, not a 125KHz one.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"13.56MHz RFID Keychain Fob (MIFARE Classic)\", \"brand\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does it work with the MFRC522?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It is a 13.56MHz MIFARE Classic tag, exactly what the MFRC522 reads.\"}}, {\"@type\": \"Question\", \"name\": \"Is it the same as the RFID card, just a fob?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Functionally yes - same 13.56MHz MIFARE technology in a keychain shape.\"}}, {\"@type\": \"Question\", \"name\": \"Will a 125KHz reader read it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No - this is 13.56MHz; use it with a 13.56MHz reader, not a 125KHz one.\"}}]}\u003c\/script\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53478645072237,"sku":null,"price":17.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/product_a6c9f961-d54e-4575-85a0-099407bbd16a.webp?v=1782197262","url":"https:\/\/compoden.com\/products\/rfid-13-56mhz-keychain-fob","provider":"Compoden","version":"1.0","type":"link"}