https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14455

            Bug ID: 14455
           Summary: Decoding of 'Antenna Noise in dB' field in radiotap
                    header of data link type 'IEEE802_11_RADIOTAP' is
                    invalid
           Product: Wireshark
           Version: 2.4.1
          Hardware: x86
                OS: Windows 10
            Status: UNCONFIRMED
          Severity: Major
          Priority: Low
         Component: Dissection engine (libwireshark)
          Assignee: bugzilla-ad...@wireshark.org
          Reporter: prasanthkumar.arise...@mathworks.in
  Target Milestone: ---

Created attachment 16154
  --> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=16154&action=edit
Invalid decoding of AntennaNoiseIndB field of radiotap header

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
'Antenna Noise in dB' field of the radiotap header is a uint8 of type. I formed
a packet with radiotap header which has the 'Antenna Noise in dB field' I tried
to decode that packet using Wireshark. I was able to decode the packet with
'Antenna Noise in dB' value till 127. If I use 128 value, then Wireshark failed
to decode that field. You can find the attached screenshot for more details. 

But, in the radiotap.org site, it is mentioned that range of this field is from
0 to 255, which is of type uint8.

Reference: http://www.radiotap.org/fields/dB%20antenna%20noise.html

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