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Sign up with GoogleConnecting 2 locations via wireless
- Thread starter dd1313
- Start date
OK, firstly you will need to see if the 2 locations can "see" each other directly. This is called Line Of Sight.
If that is so, I would say running 5.8 equipment is your best bet.
Look for Microtik. It is cheap and very reliable.
For your best bet for a link like that to work, I would say use R52 radio's on either side with 24dbi grids. You could also go for 27dbi grids with R5H radio's if the LOS is poor.
One one side you will need a RB411A (Access point) and one the other side a RB411 (client).
Look at Scoop. Thier prices is really good.
So far I have been able to detirmine, if you do not intend to sell services over the link, keep within the allotted freq range and do not use signal boosters, you should not require a license.
If that is so, I would say running 5.8 equipment is your best bet.
Look for Microtik. It is cheap and very reliable.
For your best bet for a link like that to work, I would say use R52 radio's on either side with 24dbi grids. You could also go for 27dbi grids with R5H radio's if the LOS is poor.
One one side you will need a RB411A (Access point) and one the other side a RB411 (client).
Look at Scoop. Thier prices is really good.
So far I have been able to detirmine, if you do not intend to sell services over the link, keep within the allotted freq range and do not use signal boosters, you should not require a license.
Last edited:
- Joined
- Oct 7, 2008
- Messages
- 1,199
Hello dd1313
5gigs may not sound like a lot of traffic, but it could take many hours to transfer on an incorrectly configured link.
The first thing you need to confirm is line of sight. If you don't have line of site, you will need a high site that you can repeat from.
Before running off to Scoop, Miro or Uniterm and handing them your money, you need to see how much interference there is in the various spectrums. For example, both 2.4GHz and the 5GHz spectrum are a terrible mess in Greater Cape Town. With everybody invading the 5GHz spectrum, there's actually less noise in 2.4, but the 2.4 Fresnel Zone is much larger than the 5GHz Fresnel Zone. This means higher towers if you want decent throughput.
It would probably be best if you got hold of some equipment, set it up and put the radio into "snooper mode" so you can see who's out there and then make decisions based on what you've seen.
You can calculate the Fresnel Zone using this link.
It's also best to calculate a link budget and work out what output power / antenna combination you require to get the link to work properly and remain stable.
Have a look at this.
Yes, MikroTik is the way to go. No two ways about it, but you'll probably end up pulling your hair out of your head if you just go and buy two 24dBi grids and two R52s. Too much power is just as bad as too little power.
My suggestion would be to go to ICASA and apply for a frequency in either of the bands. You're only talking of a couple of hundred Rand. It's a simple point to point licence. I know for a fact that ICASA have licenced organisations in 2.4GHz just below the ISM frequencies. I also know that they have licenced organisations in the 5.9GHz band. You'll be able to use your licenced frequency if you buy the multi frequency addon for your routerboards. This will give you legal protection from the cowboys out there who don't know much about RF comms or the law and just park their radios on any old frequency because it happens to be clear.
5gigs may not sound like a lot of traffic, but it could take many hours to transfer on an incorrectly configured link.
The first thing you need to confirm is line of sight. If you don't have line of site, you will need a high site that you can repeat from.
Before running off to Scoop, Miro or Uniterm and handing them your money, you need to see how much interference there is in the various spectrums. For example, both 2.4GHz and the 5GHz spectrum are a terrible mess in Greater Cape Town. With everybody invading the 5GHz spectrum, there's actually less noise in 2.4, but the 2.4 Fresnel Zone is much larger than the 5GHz Fresnel Zone. This means higher towers if you want decent throughput.
It would probably be best if you got hold of some equipment, set it up and put the radio into "snooper mode" so you can see who's out there and then make decisions based on what you've seen.
You can calculate the Fresnel Zone using this link.
It's also best to calculate a link budget and work out what output power / antenna combination you require to get the link to work properly and remain stable.
Have a look at this.
Yes, MikroTik is the way to go. No two ways about it, but you'll probably end up pulling your hair out of your head if you just go and buy two 24dBi grids and two R52s. Too much power is just as bad as too little power.
My suggestion would be to go to ICASA and apply for a frequency in either of the bands. You're only talking of a couple of hundred Rand. It's a simple point to point licence. I know for a fact that ICASA have licenced organisations in 2.4GHz just below the ISM frequencies. I also know that they have licenced organisations in the 5.9GHz band. You'll be able to use your licenced frequency if you buy the multi frequency addon for your routerboards. This will give you legal protection from the cowboys out there who don't know much about RF comms or the law and just park their radios on any old frequency because it happens to be clear.
- Joined
- Oct 7, 2008
- Messages
- 1,199