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Wireless Reviews

Wireless Performance

NOTE!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!

ZyXEL B-4000: Four location throughput

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


- WEP encryption: DISABLED
- Tx Rate: Automatic
- Power Save: Disabled
- Test Partner:

Firmware/Driver Versions

AP f/w:
1.00.06
Wireless client driver:
WinXP 1.7.37.1098
Wireless client f/w:
1.04.02.00

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
See details of how we test.

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