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25 Jun 2004
I've searched long and far, and haven't found a definitive answer: What is the longest range cf wifi card? The likely 2 cards include the Senao NL-2511CF and the Ambicom WL1100C-CF.
The 200mW Senao pc card is generally considered the longest range for notebooks, and their 2511 cf card appears to have 50mW. However, I have seen varying receive sensitivities and power specs for their cf.
Senao's own site specs it at 14dBm, -90dBm for 1Mbps:
[ pdf doc ]
However, Keenan's site specs it at 14dBm, -92dBm for 1Mbps:
Here the range is spec'd at 400m, 13+/-1dBm , -91dBm for 1Mbps:
The longest spec'd range for the Senao I've been able to find is 400m.
The Ambicom site specs their cf card at 11dBm/max. 13dBm, -91dbm at 1Mbps, with a max range of **500m**. These specs are also what I've been able to find elsewhere. So, while I'd assume Senao would be the longest range card based on its pc version hardware, it looks like the Ambicom cf is beating Senao's cf by 100 meters.
I went ahead and bought the Ambicom card a couple months ago, and it works great with my Zaurus c750 running Qtopia and Debian from pocketworkstation.org (on Sharp rom).
I'm about to buy the Senao 2511 pc card, and thought I'd ask again if anyone had tested or otherwise determined accurate ranges for the Ambicom vs. Senao cf cards. Not that I'm looking for an excuse to purchase the Senao cf as well...
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|Lo-Fi Version||Time is now: 7th March 2014 - 10:07 AM|