व्यवसाय कार्ड QR कोड बनाम पोस्टर QR कोड

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Business card QR codes must fit in ~25×25mm with high EC for small scanning distance. Poster QR codes can be larger but must account for 1-3 meter scanning distances, requiring proportionally larger modules.

  



  
  

    Contact Card (vCard)
    URL / Website