https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md
http://ab4bj.com/wordpress/2013/02/setting-up-a-raspberry-pi-to-work-with-a-dv-access-point-dongle-dvap/
http://www.papasys.com/showthread.php?t=1652
http://www.combitronics.nl/index.php?route=product/product&path=60&product_id=69
https://www.hamradio.com/detail.cfm?pid=H0-016490