Most of the time a amp will "clip" the signal on an OFDM radio.  So you do get 
amping but not accurate amping.

If they make an amp specifically for OFDM then there should be no technical 
issues here.

Good luck finding one :)
marlon

-
  ----- Original Message ----- 
  From: Nick Huanca 
  To: WISPA General List 
  Sent: Wednesday, October 20, 2010 12:07 PM
  Subject: [WISPA] Amplifiers OFDM: Facts vs Fiction


  Hi all, 


  Hope this finds everyone well. I wanted to reach out to the community as I've 
had a few birdies in my ear telling me to throw bi-directional amplifiers on 
our 3650 gear to reach the FCC limit on omni-directional antennas. The gear 
we're thinking about here is a Redline AN100U which has 23dBm output. 


  I have heard some people tell me that ODFM and amplification is a terrible 
thing due to the carriers on the wave and timing. I have also heard people tell 
me there should be no problem with this if it is a "fast-switching" 
bi-directional amplifier. None of these people can really provide me literature 
or references to site their knowledge or show me actively working systems. 


  I know, based on what we've seen with a few acquisitions, that amps dirty 
pretty much everything but have gotten people through some difficult problems. 
We've got some amps on older DSSS equipment that doesn't work great but had 
enabled the previous owner of the company to house his radios in the hut at the 
base of the tower. 


  Any wizards out there that can shed some light on this? 

  -- 
  Nick Huanca 

  GAW High-Speed Internet
  619 Silver St, 
  Front Bldg
  Agawam, MA 01001

  [office] (877) 5-GET-GAW (877.543.8429) x214
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