Trendnet TEW-632BRP

Today I noticed that Fry’s is selling the Trendnet TEW-624UB adapter for only $19 (Price is good until December 23rd) .  Last month I paid $59.  This cheaper model has the same exact UPC as the $59 version, but the hardware revision listed on the back is B1.1 instead of A1.0.  The new packaging doesn’t list its 802.11N as draft anymore. So this $19 adapter is the newest model version.

If you read the packaging carefully, you’ll notice it has 2 internal antennas, where the previous version had three.  I’m hopeful that performance or range isn’t reduced,  but I will be testing it shortly.

Closeup of Trendnet TEW-624UB Revision A Box Back

Closeup of Trendnet TEW-624 UB Revision B back box

Trendnet TEW-632BRP

For only $47 the Trendnet TEW-632BRP seemed like a steal. It’s not. I wasted 4 hours trying every possible 802.11 mode and channel trying to get this router to demonstrate any reliablity. It didn’t.

If your lucky enough to find the AP, and then actually get an IP address, you’ll find that it’s impossible to USE the connection for more than a few minutes without getting dropped. When it’s not dropping wireless connections, the router resets itself clearing both wired and wireless connections.

During the brief moments it wasn’t failing, the performance was marginal. The best I could get from it was 22 Mbps receive and 14 Mbps transmit. And on cue, after finishing each two minute test run, the wireless connection would get dropped.

No other AP I have tested has performed this poorly, this is one very flawed product. So I won’t spend any more time on this product. I hope this article will be read, and someone will decide to NOT buy this product. That would be the only good thing to come out the last 4 hours of my day.

By the way, I don’t have a grudge or dislike of Trendnet. In fact I LIKE the Trendnet wireless-N USB adapter, it a solid product. So I know Trendnet can make good stuff, just not this time.

note 1: I did check firmware versions, my version had 1.0.44, dated 3/2008. The website had a 1.0.50 dated 6/2008. I downloaded that version, and upgraded my firmware. After resetting itself, nothing changed, and the product did not get any better.

note 2: This has got to be a manufacturing problem, there is no way any Trendnet engineer could have let this product get out of the lab performing like this. The Hardware version I have is A1.0R.

Cons: Needs GB Ethernet. Grade C+.

Amazon Link: RangeMax WNDR3300 Dual Band Wireless-N Router. Street Price $99.

Install

The CD installer is designed for a first time user, who has never connected a router to an existing cable modem/DSL connection.  It pops up a windows message box for each required step of the install. ex: “Unplug ethernet cable from your PC, click next to continue”. Theres at least a dozen of these pop-ups, but eventually you are pushed onto a revised Netgear internal web page config (www.routerlogin.com) this is nice for novice users, who might be confused by entering in a static ip address (192.168.1.1) to config the router. 

I let the router run its interal config wizard, which walks the user step by step thru the details of the WAN connection and the wireless settings.  This worked nicely, and it auto-detected that my cable modem was assigning IP addresses, although it prompted me for an account name. I dont ever recall having to use an account name for a cable/dsl router.  After this it resets itself and a minute later displayed the full Basic Settings web page.  Minor Nit: there is an apply button on this page that will reboot the router even if you haven’t changed anything on the page.

Wireless Configuration

The wireless config is straightforward, you are asked for the 802.11N and 802.11G SSIDs, by default these are set to NETGEAR-DUALBAND-N and NETGEAR-2.4-G. Another Nit: the help text to the right side of the SSID prompt explains that the default SSIDs are ”NETGEAR” for both. I don’t know how QA missed that discrepency, its even on the same page!  It’s documentation discrepencies like this that start to confuse the average consumer.

A more problematic issue:  There is no explanation of why I would want to put different SSIDs on each band.

I think having the same SSID for 11N and 11G makes the most sense once you have figured out what channels actually work in your house. In fact unless you have different SSIDs its not easy to determine if you are able to connect at 5Ghz if your operating in dual-band modes.

Four Wireless Modes

The WNDR 3300 AP has 4 different operating modes, and depending on how you configure it, it can support your older adapters at 54Mbps AND  provide up to 270Mbps with new wireless-N adapters.  

I suppose if you purchased a dual-band AP you are looking for more channels to work around interference issues.  Two of the modes use multiple channels simultaneously, called wide channels. If you can find wide channels without interference, then you can try and get 270Mbps.  I was able to get mode 1 to connect at 270Mbps with more than 1 adapter from different manufacturers.

Mode 1:  270 Mbps at 2.4Ghz.  Note: in this mode standard wireless-g adapters can still connect, but only at 54Mbps. In this mode you can only configure the 2.4 GHz SSID and channels.

Mode 2: 270Mbps at 5Ghz & 54Mbps @ 2.4 GHz. This is the “Dual-Band” Mode.  You can configure the two unique SSID’s or use the same SSID for each band.

Mode 3: 130 Mbps at 2.4Ghz. In this mode you can only configure the 2.4 GHz SSID and channels.

Mode 4: 130 Mbps at 5Ghz & 54Mbps at 2.4 GHz. This is another Dual-Band mode.  You can configure the two unique SSID’s or use the same SSID for each band.

Interference Problems

At first I used the NETGEAR default wireless configuration (Mode 2)  and used the same SSID for each band. I kept the channels for each band at the default settings, and using a laptop computer right next to the AP I tried to connect. I was only able to connect at 54Mbps. After some fiddling around, I discovered that the default channel for the 5Ghz band wasn’t good.  It wasn’t obvious to me that I was only connecting on the 2.h GHz band. There was no information explaining any of this,  it just didnt connect at 5GHz.  

Until I changed the SSID of the 5Ghz to a different name I wasn’t able to isolate this issue. So channel inteference is a real problem, even right next to the AP with no obstructions or other wireless devices nearby.

I tried changing the 5Ghz channels incrementally and after a few changes still no luck. It worked when I moved it to the last possible channel, and the connect speed displayed 270Mbps. 

Nice Status LEDs

One nice feature of this router is that it has a unique blue LED on front panel that blinks with 5Ghz wireless activity, and an orange LED for 2.4Ghz activity, so if you have it configured as dual band with devices connected on each band you will have both LED’s flashing. Had I noticed this earlier it would have been much easier to see that I wasn’t actually connecting on the 5Ghz channel.

Performance Testing 
Mode 1, 270Mbps at 2.4Ghz.

With a Netgear recommended adapter, the WNDA3100 11g/n USB 2.0 Adapter I got mixed results:

Adjacent to Router: Approx 10 Mbps.
Kitchen -> Router: I couldn’t connect at all.
2nd Floor Office -> Router: Approx 13 Mbps.

Using a Trendnet Wireless-N USB Adapter (Trendnet Model # TEW-624UB)  I got much better results:

Adjacent to Router: 30 Mbps TX, 32 Mbps RX.
Kitchen -> Router: I couldn’t connect at all.
2nd Floor Office -> Router: 27 Mbps TX Text, 16-21 Mbps RX Test.

Overall I didn’t see a huge 5X improvement in speed that you might expect after reading the packaging, but compared to the 16-20 Mbps speed I get using Wireless-G, getting 30Mbps from wireless-N is 50% faster.

Thats not too bad!

Work to be done

I’m planning on testing this product with some internal PCI wireless-N adapters, I’ll post the results later.

Most of the 802.11N products you see will claim 270-300Mbps. In your home you will get nowhere near that speed (I have yet to see it) and the Netgear WNDA 3100 can barely get 15Mbps. Oh when I talk about speed I ignore the the number the software shows you on the connection status. Those numbers are false, if you get 25% of that number when copying a file your doing well.

So I am really impressed with the Trendnet Wireless-N USB Adapter. It can do 30Mbps consistently. (it also lies like the others and says 300Mbps on the connection status)

It copies files twice as fast as the NETGEAR 3100, and it can connect to my AP from laces the Netgear 3100 can’t.  This was surprising  because I am using a NETGEAR RangeMax Dual Band AP for my testing. Most people would expect the all NETGEAR solution to be the best performing.

Also the TEW-624UB is $59, the NETGEAR WNDA 3100 is $79.  GOOD WORK TRENDNET!

The only con is the drivers aren’t signed so you’ll get the warnings when you install or plug it into a different USB port.

Trendnet TEW-624UB
Netgear WNDA3100