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I'm looking to get a direct connection between an office and a flat across the street. The flat will be using this as its internet connection so VPN is out of the question.

I'd like to make the connection with two antennas that I would put in the windows; there's perfect line of sight, but three layers of glass in the way. Distance is about 100 meters.

  • I'd like it to be cheap. The cheaper the better.
  • I'd like it to be fast. At least 10Mbps, although 50Mbps would be nice.
  • I'd like it to be reliable in that I wouldn't need to fiddle with the antennas every week.
  • Low latency (under 100ms) is a major plus.

Which hardware should I get to do that? Are there risks in this approach that I should be aware of?

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migrated from Jun 16 '11 at 17:43

This question came from our site for system and network administrators.

You are going to be looking for Point to Point Ethernet bridges. Some use regular WiFi, microwave, laser, etc. You could also use some cheap WAPs and configure them to be bridges. I like to load third party firmware when doing such things as its more configurable.

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Normal WAPs are just out of range for this sort of thing; I can't see the office's wireless connection from the flat. – configurator Jun 16 '11 at 18:13
Get a WAP with external antennas, and upgrade the antennas. Consumer-level WAPs with satellite dishes around high-gain antennas on both ends have successfully beamed WiFi over 15miles; That's overkill, but a set of nice, high-gain directional antennas should serve your purpose. – Darth Android Jun 16 '11 at 18:18
Upgrade to a "directional" antenna. – xeon Jun 16 '11 at 18:21
@Darth, @xeon: I'll try this, thanks. – configurator Jun 16 '11 at 18:23
Take a look at the Super Cantenna ( Yes, I really wanted to mention the name. – Chris Ting Jun 16 '11 at 19:05

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