Reading a 134kHz EM4100 Tag with the Proxmark3

October 04, 2015

Follow the instructions below to read a 134kHz EM4100 tag using the Proxmark3.

Begin by connecting the proxmark to a PC and connecting the LF antenna to the proxmark.

Launch the client and enter the command below.

proxmark3> lf em em410xwatch h
Reading 8201 bytes from device memory
          
Data fetched          
Samples @ 8 bits/smpl, decimation 1:1           
Reading 8201 bytes from device memory
          
Data fetched          
Samples @ 8 bits/smpl, decimation 1:1           
EM410x pattern found:           

EM TAG ID      : 1C003CA6EE          
Unique TAG ID  : 38003C6577          

Possible de-scramble patterns         
HoneyWell IdentKey {          
DEZ 8          : 03974894          
DEZ 10         : 0003974894          
DEZ 5.5        : 00060.42734          
DEZ 3.5A       : 028.42734          
DEZ 3.5B       : 000.42734          
DEZ 3.5C       : 060.42734          
DEZ 14/IK2     : 00120263059182         
DEZ 15/IK3     : 000240522126711          
DEZ 20/ZK      : 03080000031206050707         
}
Other          : 42734_060_03974894         
Pattern Paxton : 475063534 [0x1C50E4EE]          
Pattern 1      : 5586357 [0x553DB5]         
Pattern Sebury : 42734 60 3974894  [0xA6EE 0x3C 0x3CA6EE]

The output shown above was obtained using version 2.2.0 of the client software/firmware.