• "Signal Quality" readings taken with the ZyXEL client utility
• Testing was done with a ZyXEL B-100 client card in a WinXP Home Dell Inspiron 4100 laptop unless otherwise noted
Even though ZyXEL's ZyAIR B-100 802.11b card (based on Intersil's PRISM chipset) can't take advantage of the B-4000's 802.11b+ 22Mbps raw data rate, the pair turned in one of the best 802.11b performances that I've ever seen!
Figure 11: Four location throughput
(click on the image for a full-sized view)
Figure 11 shows that the results from my four location test were so consistent, that I had to double check to make sure that I didn't accidently forget to run some of the tests! I also checked performance with 128 bit WEP enabled and saw no throughput change.
I should note that the test results are taken through the router, since the B-4000's V-LAN feature prevents all communication between LAN-side clients. But since routing throughput is more than 3X the speed of the wireless connection, I can safely say these results truly reflect the actual wireless speed.
802.11b Wireless Performance Test Results
|Test Description||Signal Strength (%)||Transfer Rate (Mbps)||Response Time (msec)||UDP stream|
|Throughput (kbps)||Lost data (%)|
|Client to AP - Condition 1||100||5
|Client to AP - Condition 2||80||5.1||0 (avg)
|Client to AP - Condition 3||73||5.1||0 (avg)
|Client to AP - Condition 4||60||5.1||0 (avg)