In SX Microcontrollers, SX/B Compiler and SX-Key Tool, mike m wrote: Her best bet is to obtain a set of the proper pre certified RF units, trying to build your own is easy if you have RF knowledge; however going thru cert testing is another thing. I am an Avionics Rf engineer and just spent close to 50 thousand US bucks to certify a simple avionics wireless link for a wireless headset to a panel mount Avionics radio. This was the FCC transmitter and antenna radiation test cost. Look at these links and you'll find a lot of info on the various certifications, requirements etc. http://www.radiotronix.com/support/content_by_cat.asp?contentid=199&catid=114 just an example of what the regulations are like. For example she would need to design her device to comply with standards like this. http://rfcomply.com/products_services/faqs/ Mike ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=100666#m101246 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)