proxmark3> hw tune
#db# Measuring antenna characteristics, please wait..
#db# Measuring complete, sending report back to host
proxmark3>

# LF antenna:  0.00 V @   125.00 kHz
# LF antenna:  0.00 V @   134.00 kHz
# LF optimal:  0.00 V @ 12000.00 kHz
# HF antenna:  8.28 V @    13.56 MHz
# Your LF antenna is unusable.
proxmark3> hf 14a snoop
#db# cancelled by button
#db# maxDataLen=7, Uart.state=0, Uart.byteCnt=0
#db# Uart.byteCntMax=20, traceLen=191, Uart.output[0]
proxmark3> hf 14a list
proxmark3> recorded activity:
 ETU     :rssi: who bytes
---------+----+----+-----------
 +      0:    :     93  70  92  ef  a0  9c  41  d5  1b
 + 109956:    :     93  20
 + 221479:   0: TAG 92  ef  a0  9c  41
 +   2915:    :     50  70  d0  be
 + 106242:    :     52
 +     62:   0: TAG 04  00
 +    866:    :     93  20
 +     62:   0: TAG 92  ef  a0  9c  41
 +   1610:    :     93  70  92  ef  a0  9c  41  d5  1b
 +     66:   0: TAG 08  b6  dd
 +    986:    :     50  70  d0  be
 + 107650:   0: TAG 04  00
 +    880:    :     93  20
 +    162:   0: TAG 1d! 34! 73  28!
 + 113607:    :     50  70  d0  be
 + 107502:   0: TAG 3b  68  e7! 50!
 +   1674:   0: TAG 08  b6  dd
 + 107252:    :     52
 +     66:   0: TAG 04  00
 +    872:    :     93  20
 +     66:   0: TAG 92  ef  a0  9c  01
 +   1660:    :     93  70  92  ef  a0  9c  41  d5  1b
 +     66:   0: TAG 08  b6  dd
 +   3266:   0: TAG 4e  9a  4e  c3!
 +    978:   0: TAG 60! be  91  ca!
 +    906:   0: TAG fd  b6  48! 04  6e! 16! 7a! 0e! 22! ef  2f  05  d0  c7! ca!
c1! ed! a8!    !crc
 + 102436:   0: TAG 0e  9a  39! 14!
 +   2892:    :     50  70  d0  be
 + 105959:    :     52
 +   3167:    :     93  70  92  ef  a0  9c  41  d5  1b
proxmark3>