Jul 302009

Receive sensitivity (RX) spec for our 1-watt card is -85dBm for 802.11b mode:  This is 3x the transmit power (TX) figure for the Alfa AWUS036H (500mw G-version):  That TX figure is 28dBi.  I’m trying to verify that TX is the important figure in which the range limitation would occur:  that range limitation would not occur with RX:  Because the RX of the new realtek card is triple the TX figure of the Alfa card.

So far I have not been able to find any “official” technical papers that would disprove this:  I have found supporting information in a document from one of our customers who is very tech savvy:  He says that what I’m stating above is correctre. TX being the limiting factor.
 Posted by at 5:44 pm WiFi card specs

  2 Responses to “Theory: TX not RX is the limiting factor for distance: Looking for final word on this…”

  1. ps. I already have a 24 dbi grid antenna and 2 bi-quads

  2. or maybe is there a way to power the units with external power supply to get a little more power?

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