I was trying to get a Linksys WMP54G card going (another thread on the forum) but had also purchased a Belkin Wireless G Plus Desktop Card (F5D7001) as a backup plan. Thanks to Posmanet, this is now working for me. Seems that 'rmmod bcm43xxx' is the trick.
Before that I tried using the "firmware cutter" (bcm43xxx-fwcutter) to extract firmware modules. Limited but no ultimate success with that approach. Used .inf and .sys files found through the ndiswrapper wiki. Specifically...
http://biginoz.free.fr/linux/bcmwl5a.inf
http://biginoz.free.fr/linux/bcmwl5.sys
Haven't tried to duplicate and automate this setup so we'll see if it sticks. Also would like to see if I can get the bitrate over 18Mb/s.
A-Tech 8GB DDR3 1600 PC3-12800 Laptop SODIMM 204-Pin Memory RAM PC3L DDR3L 1x 8G
$13.99
Crucial 8GB 1x8GB PC RAM PC3L 12800U DDR3 1600MHz Desktop Memory DIMM
$8.99
Crucial 8GB SO-DIMM PC3-12800 (DDR3-1600) Memory
$9.49
Crucial DDR3L 16GB 1600 2x 8GB PC3-12800 Laptop SODIMM Memory RAM PC3 16G DDR3
$22.45
HyperX FURY DDR3 8GB 16GB 32GB 1600 MHz PC3-12800 Desktop RAM Memory DIMM 240pin
$23.95
A-Tech 8GB PC3-12800 Desktop DDR3 1600 MHz Non ECC 240-Pin DIMM Memory RAM 1x 8G
$13.99
Micron 16GB DDR4-2400 SODIMM MTA16ATF2G64HZ-2G3E1 Laptop Memory RAM
$21.99
HyperX FURY RAM DDR4 16GB 8GB 32GB 4GB 3200 2666 2400 2133 Desktop Memory DIMM
$9.64
Micron 32GB 2Rx4 PC4-3200 RDIMM DDR4-25600R ECC REG Registered Server Memory RAM
$64.99
A-Tech 128GB 4x 32GB 2Rx4 PC4-19200R DDR4 2400 ECC REG RDIMM Server Memory RAM
$191.96