Have a look at our Radwin2000 MIMO radio- the diversity option is specifically for these applications. Matt Musial Radwin USA Sent via my BlackBerry
-----Original Message----- From: Jeremy Parr <jeremyp...@gmail.com> Date: Wed, 28 Oct 2009 09:51:21 To: WISPA General List<wireless@wispa.org> Subject: Re: [WISPA] Long 5Ghz link over water 2009/10/28 Marlon K. Schafer <o...@odessaoffice.com>: > It's probably ducting. Where the conditions in the AIR literally bend the > signal over or under your receive antennas. > > You'll likely have to put in a system designed with something called > "antenna diversity". Basically two antennas for each link. One 10 to 20' > higher than the other one. Then the radio will listen to the two of them > and switch to the one with the greater signal levels for it's data flow. > > I always wanted to try this using a splitter placed EXACTLY in the middle of > the two. But with wave lengths so small I don't think it's likely that I'd > get it close enough without a lot of blind luck (get it wrong and you create > multipath inside the cables). Exactly. My thoughts went to an 802.11n card, with two antennas on each end. -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
