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Wireless Access Point advice; security & reliability important

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abignet

Occasional Visitor
Hello,

I am new to working with wireless hardware (though I've connected to various wireless networks before, as most people have these days), and I am wanting to add some specific wireless capabilities to my current network.

I have a RV042 that sits behind a Comcast Business Class SMC 8014 modem/router combo (connected to the SMC via a DMZ port). The RV042 is connected via VPN to a Zywall USG20 at another location (so the network resources behind the RV042 and USG20 are able to see and talk to each other).

I want to add a wireless access point (AP) to the RV network. The following are the goals & conditions I'm trying to meet:

1) Security is very important. The AP is going to be for 1 device only (a NOOK Color), and I don't want anyone/anything else to be able to access the AP (and DEFINITELY NOT the LAN!!). I know I should be able to set some kind of wireless encryption key/password that should help with that (I've not set up wireless before, so suggestions of AP models that are stronger in this department would be welcome). It would also be nice if I could restrict access by MAC hardware address as well so that only the NOOK Color would be permitted (though perhaps I could just do that through the RV042 if the AP can't?); but that part is probably not completely necessary (but I will definitely take it if I can get it affordably!).

2) This AP is for internet use only--I don't want there to be ANY access to the LAN via the AP. I have the understanding that if I connect the AP to a separate VLAN on the RV042 then that should achieve what I want (ie, the device connected to the AP will be able to access the internet, but NOT access anything on the current LAN, which will be on a different VLAN). And so even if somehow someone gained unauthorized access to the AP connection, they still would not be able to access the LAN.

3) Reliability/consistency of the connection is very important. Basically, the whole point of getting this AP is to connect a single NOOK Color to it. The reason for this is actually not for reading books. Rather, I have a paper form that I use a lot of and I've been doing the math and if I have clients fill out this form via a web form (which I can have them do easily via the NOOK Color as the form does not require any typing, just tapping the relevant answer) then I will save money over time (even after accounting for the cost of a refurb NOOK Color and a hopefully inexpensive AP). The pattern of usage will be as follows: Use the NOOK Color (and the web form) at the beginning of the hour for about 5 minutes, then it will be unused for the next 45 minutes or so, then be used again for a few minutes, be unused for about 8 minutes, be used again for 5 minutes (at the beginning of the next hour), be unused for the next 45 minutes, etc. So it is important that I get an AP that will reliably stay connected. If I pick up the NOOK and load the next form and have to wait for it to reconnect that will quickly negate the usefulness of this plan. The NOOK Color works with 802.11b/g/n.

4) Range. The above NOOK Color will always be used in the same room (eg, 12'x12' office) wherein the RV042 is, and where the AP will be. So I actually do NOT need very far range. In some ways, the ideal would be something that is extremely reliable for a fairly short range. I'd rather not be broadcasting the signal any further outside of this room than necessary.

5) Price. I'd love to get something that fits well with the above goals that is in the $20-$30 range, but will definitely consider items above that cost if that is what it takes to satisfy the above requirements/goals.

I realize these are a lot of details for something that I'm looking to not spend a whole lot of money on. Wireless is new territory for me, and as you can see I'm wanting it for a very specific purpose (with high security requirements) so I GREATLY appreciate any input anyone takes the time to give. I imagine there are a lot of inexpensive AP's out there, but I don't have the experience (yet) to discern which ones are just junk which ones are going to be a good investment for my needs/goals.

Thanks in advance for any and all help!!
:)
 
As long as the Nook color supports WPA2/AES, that is the most secure encryption available. The key is to use a STRONG password as the WPA key. Use an online password generation tool to help do this.

All APs will support this level of encryption and also provide MAC address filtering. Note that MAC addresses can be spoofed, so don't rely solely on this method.

The cheapest way to go is get an inexpensive wireless router and convert it to an access point.

Yes, using a VLAN on the RV042 will keep wireless and wired traffic separate. See VLAN How To: Segmenting a small LAN

As for your intermittent use scheme, your problem is not the AP, but the client. I assume the Nook will sleep between uses. So you'll need to wait for it to reassociate with the AP each time it wakes up. I would design your form application so that it auto-saves after each entry session or page so you don't lose data.
 
As long as the Nook color supports WPA2/AES, that is the most secure encryption available. The key is to use a STRONG password as the WPA key. Use an online password generation tool to help do this.
Cool. Thanks for that info. Based on my research it appears that the NOOK Color supports WPA2/AES, so that is good.

Thanks for the other info on APs and converting a wireless router. That is very helpful.

I've looked at a few reviews (on this site) for options in my price range and am considering the following 3:
TP-LINK TL-WR700N
D-Link DIR-605L Cloud Router
TP-LINK TL-WR1043ND Ultimate Wireless N Gigabit Router

The TP-LINK TL-WR700N seems pretty ideal regarding price (around $30), and I'd even consider its limited range to be a "feature" in my case. ;) I interpret I would use it in AP mode, correct?

Anyone have any input/thoughts on the TP-LINK TL-WR700N (or either of the other two) for my use? Again, I'm thinking I'd be plugging this in a separate VLAN port on the RV042 (which does make me wonder if I'm going to have some interesting things to deal with regarding how to login to the Admin area of whatever router/AP I get, if it is on a separate VLAN). In addition to security and reliability (of signal), ease of use/installation is also important/helpful.

As for your intermittent use scheme, your problem is not the AP, but the client. I assume the Nook will sleep between uses. So you'll need to wait for it to reassociate with the AP each time it wakes up. I would design your form application so that it auto-saves after each entry session or page so you don't lose data.
Thanks for pointing that out. The form won't be a problem because it will be submitted before the NOOK goes to sleep (and then the next form will be loaded after waking the NOOK up). But I definitely need to do some more research on how quickly the NOOK can reconnect to the wifi network after waking up.

Thanks!
:)
 
Opinion and not much more...
Go with mainstream unless you are intrigued with debugging interoperability problems.

Certain models of
Linksys
Belkin
and odd-one Engenius - gets a vote because personal experience and they are owned by a biggie.

On average, IMO (repeat: IMO), Netgear and D-Link have too many badly designed products. Not all, but too often; it's fiercely competitive and they take short cuts in who their suppliers are in Asia.

Look on newegg too, where there are large numbers of reviews. Ignore the edges of the bell curve.
 
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+1 on Stevech's advice. If you are looking to save money, get a refurbed Cisco Linksys E1200 or E1500 for around $30 w/ free shipping and 30 day return.
Thank you Stevech and Tim--that is great help!! :) Especially the specific mentions of the refurb E1200/E1500. The E1200 looks like a good fit (both in terms of price and I don't need the extra power/range of the E1500) so I'm leaning towards that at the moment.

This is all looking very promising--I'm excited!
:)
 
+1 on Stevech's advice. If you are looking to save money, get a refurbed Cisco Linksys E1200 or E1500 for around $30 w/ free shipping and 30 day return.
Just thought I'd share that both of these are on sale at Newegg at the moment with 1-year extended warranties thrown in for free (provided by Service Net):
E1200 refurb ($26, after shipping)
E1500 refurb ($24, after shipping)

Interestingly the E1500 is a little cheaper at the moment so I went with that one. :D

I have no experience with Newegg's extended warranties (provided by Service Net), so I have no idea if that is worth anything, but the above prices are currently less than the Cisco refurb store prices, and they still come with the Cisco 90 day refurb warranty (in case the Newegg extended warranty turns out to be worthless).

Thanks again everyone for your input and help!
:)
 
Any recent AP that supports Guest mode should work - Guest is a VLAN config, and normally routes to WAN side only...
 

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