Wireless Performance
NOTES:
• "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 Conditions
|
Firmware/Driver Versions
AP f/w:
|
||||
---|---|---|---|---|---|
Test Description | Signal Strength (%) | Transfer Rate (Mbps) | Response Time (msec) | UDP stream | |
Throughput (kbps) | Lost data (%) | ||||
Client to AP - Condition 1 | 100 | 5
[No WEP] 5 [w/ WEP] |
0 (avg)
0 (max) |
0 | 0 |
Client to AP - Condition 2 | 80 | 5.1 | 0 (avg)
0 (max) |
0 | 0 |
Client to AP - Condition 3 | 73 | 5.1 | 0 (avg)
0 (max) |
0 | 0 |
Client to AP - Condition 4 | 60 | 5.1 | 0 (avg)
0 (max) |
0 | 0 |