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I will also publish the results of the DIR-655 router from D-Link for the sake of comparison.

LAN-LAN (DIR-655):

LAN-WAN (DIR-655):

WAN-LAN (DIR-655):

LAN-WAN (DIR-655, loaded):

You can see that the D-Link router delivers higher speed although the firmware I used for the TEW-633GR had been optimized for higher performance of the wired segment, according to the developer. The problem is only about firmware because the Trendnet router is even somewhat superior to its opponent in terms of hardware components.

I performed one more test of the external network to evaluate the router’s ability to work with multiple connections simultaneously. To remind you, the DIR-655 could maintain as many as 123 connections in this test. I created a pair in IxChariot using the Throughput scenario in which I changed the file_size parameter from 100000 to 1000000. Then I began to increase the number of pairs by replicating them until there were errors during the test. I stopped at 700 connections and didn’t go any further because the test ran too long even at that number. IxChariot could not even draw diagrams for 700 connections due to program limitations! 700 simultaneous connections is a very high number for a home router.

The wireless connection in draft 802.11n mode was tested using WPA2 PSK encryption with the AES algorithm. These security settings are the default ones in the draft version of the new standard and are likely to remain such in the final version.

WLAN-LAN:

LAN-WLAN:

The next diagram compares the average speeds of the TEW-633GR and DIR-655:

The D-Link router is faster again, obviously due to better firmware.

Finally I tested the router’s coverage at different distances and with different obstacles. I measured the signal level in five points:

Point 1: Near the router
Point 2: At a distance of 4 meters without obstacles
Point 3: At a distance of 5 meters + two thin gypsum wallboards
Point 4: At a distance of 6 meters + one brick wall, about 30cm thick
Point 5: At a distance of 17 meters + one thin gypsum wallboard and two 30cm brick walls

Here are the results:

The routers deliver similar results in this test. The Trendnet router keeps the signal stronger, which is good.

Overall, the difference between the routers is not too big. The TEW-633GR is slower but comparable to its opponent through most of the tests. There are but a few exceptions, e.g. the LAN-LAN test, where the DIR-655 is far better than the TEW-633GR.

 
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