Return to the archive index

Re: Ricochet update- Auction

From: Thomas Edwards <>
Date: Wed, 15 Aug 2001 10:26:53 -0400 (EDT)

On Tue, 14 Aug 2001, Michael Paine wrote:

> so you are saying that since Ricochet is 30 dBm, does that mean if Cringely
> has a 7 dBi (for point to point), that would be ok?  That would mean I would
> need to antennas for a setup that did both point-to-point and
> point-to-multipoint, no?

My impression is (in the US under Part 15) that a 30 dBm spread-spectrum
transmitter can only have a 6 dBi antenna, period.  If you wanted a 7 dBi
antenna, you would need to reduce the power of the transmitter by 1 dB or
0.3 dB depending on point-to-multipoint or point-to-point, respectively. 

Cringely is using an Airport, which is only 15 dBm, so he can use up to a
21 dBi antenna (15 dBi for the 30 dBm, then the 6 "free" dBi above that).

-Thomas

Thomas Edwards          The Sync
      Video for the Net Generation 
http://www.thesync.com

--
Subscription/unsubscription/info requests: send e-mail with subject of
"subscribe", "unsubscribe", or "info" to 
Wear-Hard Mailing List Archive (searchable): http://wearables.blu.org
please, Please, *PLEASE* don't subscribe through a forward/false domain

+Previous Message in Thread | Next Message in Thread

From Wear-Hard Mailing list Archive (WH)
Maintained by R. Paul McCarty

Archive created with babymail