the cables arrived today and fit correctly. So, at5 least for a Netgear wireless adapter - if you want to extend the antenna using an extender cable, this is correct one:
10-feet-RP-SMA-To-SMA-Wireless-Cable-RPSMA10MF STARTECH COMPUTER PRODUCTS 10 feet - RP-SMA To SMA - Wireless Cable - Antenna Adapter Cable (RPSMA10MF) $10.77
from
http://boomj.com
It came in four days, too.
Now, it will be interesting to see when I'm out in the world if wireless connectivity is better. Thinking of making an antenna mount with a magnetic base to set on roof, too...