Operations Manual

Revision 9/21
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13.56 MHz High Frequency Reader Operations Manual
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Write Page – [WXXDDDDDDDD] Where XX = Page, DDDD… = Data in Hex
Enter the W command followed by a two digit page number and 8 digits of data to write (data
must be hexadecimal values).
Host: [W0512345678]
Where: W = command
05 = page number
1234567805 = data to be written
Reader Responses: <LF>12345678<CR>
<LF>FAILED<CR>
Where: <LF> = Line Feed
00000578 = Data held in that page
<CR> = Carriage Return
ISO14443-B Commands
Note: ISO 14443-A Tags are not addressed in this manual as they are encrypted for security
applications such as credit cards and passports. An NDA with the chip manufacturer will be
necessary for this information to be disclosed. Ask your RFID, Inc. representative with
assistance if this option is preferred.
Select Transponder – [0]
To use this command you must first have previously captured the Tag ID, be it by placing the
Tag in range while in single mode or by issuing a T command while in polling mode. The Tag
must remain in range after the ID capture. The Reader will use that ID to place the tag in
selected state, which is the first step to be able to access the memory of the tag
Host: [0]
Where: 0 = command
Reader Responses: <LF>SELECTED<CR>
<LF>FAILED<CR>
Send Password – [10000000000000000]
To use this command you must first have previously selected the Tag with command 0. This
command applies the password needed to access the user memory of the device. The default
password for all transponders is 0000000000000000
Host: [10000000000000000]
Where: 1 = command
Reader Responses: <LF>PASSWORD ACCEPTED<CR>
<LF>INVALID PASSWORD<CR>
Read Page – [RXX] Where XX = Page number
To use this command you must first have previously selected the Tag with command 0 and
successfully entered the password with command 1. Enter the R command followed by a two
digit page number (example 05).
Host: [R05]
Where: R = command
05 = page number