Please i want to setup a wireless network in my environment that can cover up to 5KM and i need information on the following.
1.   The Wireless router that can cover 5KM
2.   Cost of the equipment "Wireless router that can cover 5KM"
3.  Cost of Pole of about 100 feet

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Let's chat 07043618474 any time frm 2pm everyday

I'd recommend PowerStation from Ubiquiti as having the best balance between cost and performance.
http://www.ubnt.com/powerstation and
But do you require in-house coverage or for customer's to have CPE's mounted outdoors from a central cell-site or do you want to link to offices 5km apart ?
You can get it from DataComm Express -
http://www.datacommexpress.com/khxc/index.php?app=ccp0&ns=catshow&ref=Ubiquiti&sid=wbk88wvxzjr73d91ho3808h35f562je0
and http://www.datacommexpress.com/khxc/index.php?app=ccp0&ns=prodshow&ref=NS2
Don't work for them, the prices are on the site.
You really don't want a pole of a 100 feet believe me !
Try getting roof top access at the centre of your 5km radius cell site, preferably a 3 or 4 floor building, take a corner that suites you and put in a 20ft pole, that should do.
Cheers.

If you require 360° degree coverage you'd need 6 of those Nanostation2 radios !
Here's why, each of them covers 60° so 60° x 6 = 360°.
What I'd advise is that you start providing coverage for where your most likely to start having customers first, just start with say 2 or 3 radios first and build as you grow.

@salihu_ali

i've been trying to work on this as well, but what i'm getting is below 1km, which have not been making me happy, and the usage of mast is not really allow in my area.

i dont know what advise you can give me or render. i really want to get 5km and above

you might want to see this: http://www.wirelessforums.org/wireless-networking-discussion/5km-possible-4824.html

i can help you manage the wireless hotspot with mikrotik solutions, well secured with bandwidth management and traffic shaping.

@salihu_ali

gone through it all, and i really appreciate this.

1. going 5km, how much will it cost me?

2. can i use our Local ISP like starcomms, multilinks or VSAT?

3. does it require mass?

urgent respond will be appreciated.

2.  can i use our Local ISP like starcomms, multilinks or VSAT?

For now, i recommend Vsat and i can help you with a good network (U.S).

Thanks.

I'm not in the habit of starting fights or spoiling business for people, but I don't think you require a VSAT, the costs are prohibitive.
Going forward - You'd have to do a feasibility survey to find out which of the Wireless ISP's performs best in your area.
How much bandwidth do you intend to provide ?
But You haven't told us if its a Point-to-Point link to simply connect two offices that are 5km apart or to provide internet access to customer's within a 5km radius from a central location/mast ?
Give us some specifics on this so we can advice.
Cheers.

I don't think you require a VSAT, the costs are prohibitive.

i recommended vsat because of consistency and reliability.

Wireless ISP's performs best in your area

If you don't want to have much timeouts and slow browsing issues, then i still maintain my choice of advice.

@salihu_ali

don't worry about whether you're spoiling my business or not. we are just giving out our opinions.

to provide internet access to customer's within a 5km radius from a central location/mast ?

2. can i use our Local ISP like starcomms, multilinks ?

3. does it require mass?

4. how much will it cost?

urgent respond will be appreciated.

@salihu_ali
expecting your reply?

How far have you gone?