Bug ID: 14593
Summary: Tag: Power Capability Min: 249, Max :19 valuable
OS: Mac OS X 10.4
Component: Dissection engine (libwireshark)
Target Milestone: ---
Created attachment 16254
Image of values shown in Wireshark
Version 2.4.6 (v2.4.6-0-ge2f395a)
Copyright 1998-2018 Gerald Combs <ger...@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled (64-bit) with Qt 5.3.2, with libpcap, without POSIX capabilities, with
GLib 2.36.0, with zlib 1.2.5, with SMI 0.4.8, with c-ares 1.12.0, with Lua
5.2.4, with GnuTLS 3.4.17, with Gcrypt 1.7.7, with MIT Kerberos, with GeoIP,
with nghttp2 1.14.0, with LZ4, with Snappy, with libxml2 2.9.4, with
QtMultimedia, without AirPcap, with SBC, with SpanDSP.
Running on Mac OS X 10.13.4, build 17E199 (Darwin 17.5.0), with Intel(R)
Core(TM) i7-4770HQ CPU @ 2.20GHz (with SSE4.2), with 16384 MB of physical
memory, with locale C, with libpcap version 1.8.1 -- Apple version 79.20.1,
GnuTLS 3.4.17, with Gcrypt 1.7.7, with zlib 1.2.11.
Built using llvm-gcc 4.2.1 (Based on Apple Inc. build 5658) (LLVM build
Wireshark is Open Source Software released under the GNU General Public
Check the man page and http://www.wireshark.org for more information.
Under "IEEE 802.11 wireless LAN:
Tag: Power Capability Min: 249, Max :19
The Min value is not been calculated properly. in this case "Min: 249" should
As per a very helpful response on the Wireshark forums:
"Power Capability element from IEEE 802.11-2016 18.104.22.168 'Power Capability
element', then the minimum and maximum transmit power are signed 8-bit integers
"in units of decibels relative to 1 mW", i.e. they're signed dBm. 249 is 0xF9
which, if it were correctly interpreted as a signed 8-bit value, would be -7
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