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List:       tcpdump-workers
Subject:    [tcpdump-workers] Fwd: about bits and frequencies
From:       Denis Ovsienko <denis () ovsienko ! info>
Date:       2018-07-30 16:36:25
Message-ID: 164ec0c4898.b570ed3884658.1979917248819535805 () ovsienko ! info
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Let's see if my message makes it through the filters this time...


============ Forwarded message ============
From : Denis Ovsienko <denis@ovsienko.info>
To : "tcpdump-workers"<tcpdump-workers@lists.tcpdump.org>
Date : Tue, 24 Jul 2018 14:07:58 +0100
Subject : about bits and frequencies
============ Forwarded message ============
 > Hello list. 
 >  
 > I cannot recall the exact discussion, but I vaguely remember a couple years ago \
somebody (Guy Harris?) writing something like:   >  
 > - In this encoding this field tells, in units of x kHz, the frequency of the \
wireless channel, this is the maximum frequency (20GHz???) it can represent given \
this amount of bits, is it enough or should it be bigger?   >  
 > ...and I answered something like: 
 >  
 > - Off-the-shelf WiFi runs on 5GHz, satellite downlinks are 10-20 GHz and I read \
about people experimenting in the bands up to 100GHz, so it would be future-proof to \
have more bits in that field.   >  
 > Recently I have seen $100 wireless access points in the 60GHz band, so some of \
those additional bits already can be put to a good use.   >  
 > --  
 >     Denis Ovsienko 
 >  
 > 
-- 
    Denis Ovsienko


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