Expand WIFI Coverage

We live near an apartment complex and several small businesses within a 1/2 mile radius.  I want to reach out for customers with an SSID labeled PCRepair555-5555 to generate calls from as many as we can reach.

How can I get a greater distance out of my router CISCO Linksys E2500 dual-band router?
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A router with external antenna connectors would be a better choice than modifying your current router.
Can you mount antennae to your building externally?
frugalmuleAuthor Commented:
I would suggest getting a router that has external antennas, then using outdoor external wifi antenna adapters to mount externally to the building.

There are numerous vendors for this, so I am going to refrain from linking to them.
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frugalmuleAuthor Commented:
Not sure what that would look like?  I've never seen "external antennas"?  Does that mean on the router itself?
Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
Some of these antennas may require power and most are Yagi omni directional and may be as big as a thermos.
See what kind of coverage this unit gets you
Buffalo WZR-HP-G450H
If that doesn't push the signal and reception out far enough, replace its stock rubber duckies with 3 of these RE09P-SP patch antennae.  Set those in a triangle and it should reach out a couple hundred yards in every direction, easy. 2.4GHz only, though...

If you want to cover 5GHz too, then it gets more expensive... the Buffalo WZR-600DHP router's less expensive, but dual-band antennae cost more. e.g. You'd need a couple HG2458-09U-PRO or similar, and a couple suitable N-male to RP-SMA pigtails to connect them to the router in place of the stock antennae.

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