North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

RE: wanted: wireless magic tricks

  • From: Greg Maxwell
  • Date: Thu Aug 16 13:00:46 2001

On Thu, 16 Aug 2001, Dennis Dayman wrote:

> In this 20 miles does he have Line of Sight (LOS)?  A wireless protocol,
> Mag Grid antenna, and an .5-1.0 WATT amplifier could do the trick.  But
> he needs to watch his DB levels so if he does use the 1.0 WATT AMP he
> doesn't go over the un-licensed FCC spectrum.

You're not going to do a high bandwidth link 20 miles in ISM with a
permitted EIRP (I think 4watts).

That doesn't seem to stop a lot of people from putting a 20+db gain
antenna on a 1watt input for this stuff, but 50 watts EIRP isn't anywhere
near legal.