This isn’t as difficult as it sounds! Simply find the number of bits in your RFID tag’s EPC memory bank and divide that number by 4 if you are using Hex, and by 8 if you are using ASCII. Determine how many characters will fit on the EPC memory bank of your RFID tag. In ASCII, that is an “N” but in Hex, most RFID reader’s default language, the reader will report “4E”.ģ. When programming the RFID tag, the data format may not seem important however, when you choose Hex (default) or ASCII you are basically telling the RFID reader software how you want to decode those “1”s and “0”s it receives back from the tag.įor example, if you choose to program your tags in ASCII and program a “N” on the tag, but you forget to tell the reader to read and then decode the tags in ASCII, the tag will report “01001110”. It's important to decide which data representation you will use to program data on your RFID tag, because at its most basic level RFID tag data is sent and received in “1”s and “0”s, which is called binary coding. In those cases you would then use ASCII which consists of numbers, letters, and even special characters. In some applications, however, the limited character range can be too restricting, especially for systems that use predetermined SKUs or product codes that utilize the entire English alphabet. It consists of numbers 0-9 and the letters A-F.
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