Can nebudy guide me about outdoor wireless access points

Hi guys... i'm new to this forum ... and i need a solution. it is related to wireless communication. I have a multistoried office and i want to provide connectivity to all the pcs inside the building. can nebody help me out!!!

i can provide more information to u guys if needed ....

You have SOOOOO many options.

Things to consider:
1) Does it need to be wireless, wired or hybrid of both?
2) What do you want to spend?
3) Can you pull wire if needed?
4) What is the building made of and how much overall space are you trying to cover with signal or wire?

#2 is the clincher since this can get pretty expensive if you are not careful. I'll look at a couple options for you and I am sure that some others will chim ein with different options too. The options have a TON to do with building makeup and number of floors. If you are in a wood building 2 -3 floors high you can put a wireless unit in the middle of the building with a high gain antenna and be pretty good for the most part. Then you don't need any additional wiring. You can also do the same with wireless A/P at each end. HOWEVER, if you are in a brick building with a lot of concrete or steel in it you are pretty much screwed into having multiple wireless points or using wireless to get point to point and then wiring each floor with wireless as your link between floors. If your building space is HUGE then you need different equipment also. here's some basic ideas assuming that you have a basic wood building 5000 sq/ft of space, 3 floors.

Wireless: Put in high speed wireless into the building (cable/DSL/T series line), thats pretty much a must if you are running any more than 1 computer. Put in a wireless A/P for the main floor and wire to a client bridge on each floor of the building you need to cover. Take off the stock antenna on each bridge and put a good quality ceiling mount antenna unit in them and set them up to act as A/P. Each computer needs wireless nic in it but you are completely unwired all the way around to your computers. You can reverse that and use the wireless signal to each floor by using that same bridge connected to a common router and have the bridge in bridge mode. The bridge will pick up the signal and retransmit it through the router to each wired computer.

Wireless Option 2: More expensive I believe... Use wireless "repeaters" within close enough proximity of each other to get completely wireless coverage from A/P to computers but I hear that is a layout and set up nightmare.. I am not quite as knowledgeable as some on that layout.

Wired version: Forget about it. It is expensive and wireless is the better option...

If you only have a smaller space and a couple floors you can simply add a really good quality high gain antenna to a decent A/P and you are in business. If you are not in a really high RF area you can do 400' radius on a Linksys WRT54GS and a set of high gain rubber ducks. That is what I am running at home and I can take my Dell laptop out in the yard (most of 3.5 acres) and use it pretty cleanly anywhere out there. I then added a set of high gain "ROOtennas" and a set of bridges to fire the signal to my office 1/4 mile away. These same bridges will work to add either A/P's to each floor or a way to grab the signal out of the air and retransmit it to a wired network.

The options are limited by your imigination and your budget...

thanx dazed for your insight....
well ... the building we'r talking about is about 150m * 150m multiple bulidings made of concrete with about 5 stories each. I want some kind of solution where i can put up a two or three distribution units and from there it is accessible to all, very high speeds are not a criteria. I want a simpler solution like i put up a wireless unit on the buildings and wireless adapters on the pcs and be connected. and also now can u suggest me some hardware too so that i can do some research too.

Well there is a big problem. Is not as simple as you think. Because the building are made out of concrete, you are going to have a lot of Bridges or AP. The concrete is going to interfere a lot with your signal. You may need AP in every single floor, and create Multipoint bridges.
There are several equipments you can use, the cheapest you can go is using the wap11 from linksys.
Another solution is to use a lower frequency, like instead of using 2.4ghz you may want to use 900mhz. This one goes easier through concrete walls. Check this page. http://www.elanwireless.com/home.html
Check this picture

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You have just stepped WAAAAY out of the "wireless on steroids" models that most of us are dinking with. you have gone into a full blown commercial environment and the only way to get what you need without throwing away a TON of money trying it all out is to have a professional networking GURU come in and do a site assessment. I highly suggest this route a you can drive you wallet into a heart attack trying to figure it out on your own. This is gonna be expensive anyway but it is better to have an enterprise setup installed than to screw with residential gear as it won't be stable.

On the same note a "slow" connection will make you cuss and throw heavy objects at your computer equipment. Speed is what makes a network run. Wireless is especially succeptible to this issue and if you have a weak connection you will have a slow connection. Adding any kind of data transfer to this only makes that worse and puts the network on its knees. DON"T DO IT...JUST SAY HECK NO!!!

Really... have a pro spec it and set it up.

thankx again dazed ...
i'll get some body to study the whole systm insted of doing it myself...
ne ways .. i'd love to know more about the lower freq range eqip. (about the costing thing etc..)

I am in the middle of providing a hot spot to the towns local soccer, football and baseballfields. I have a wrt54G ver 5 with upgraded firmware to a dsl router with bellsouth, and a range extender, ver 2, and the hawking booster with their big antenna and heavy cable. The antenna is in the attic of a one story office, shingle roof. About 100 yards away I put the range extender, in a scoreboard, and am thinking of putting another at the ball field quad building (2nd floor), all line of sight. Without the 2nd range extender, I was getting a signal at the quad, but it was a slow connection, 2 bars and 1 mps. Before I buy the 2nd range extender, I wanted to get a blessing from someone in the know, that I was in the right direction. That what I had was good and what I was going to add was good too.

Any other ways to provide unsecure access to parents who are hanging at the park, and the park rangers want web in the quad so they can keep an eye on weather radar via the web.

Your help would be way cool. Thanks in advance.