Power in mW for SR71-A?

[JimWright]

Some vendors list inconsistent power output for these cards, and the official spec sheet doesn't list a mW output at all. Is there any official information on how much power these cards put out?

SR71-A, 250mW
http://www.netgate.com/product_info.php?cPath=26_34&products_id=587

SR71-A, 500mW
http://www.moonblinkwifi.com/pd-ubiquiti-32-bit-mini-pci---sr71-a.cfm

[kijoma]

hi,

thje one that says 500mw also has the spec as 24dBm below..

24dBm is 250mw

that is average...

peak power is higher and peak to mean is usually 3-6dB so some may quote the peak power... always look at the data sheet..

and of you dont understand dBm, type into google "24dbm in mw"

cheers

[JimWright]

Very helpful, thanks. I didn't realize that it the two values were directly related to each other.

So, as a follow up question, I know that a variety of antennas are available, each with their own db rating. How does the math work for that? I'm assuming putting a 3db antenna on a 24dBm card wouldn't equate to 500mw of power?