The application note for the NRF905 does specify FR4 board with 1.54mm
substrate thickness. FR4 is the board material used for almost all printed
circuit boards, so you can use a regular board and just make sure the
thickness is 1.544mm.

http://www.nordicsemi.no/files/Produ...out_rev2_0.pdf


here is the link for most od the documents related to the NRF905.


http://www.nvlsi.no/index.cfm?obj=se...t=searchResult



Jim
N6BIU

--

14:04 Pacific Time Zone
Sep 5 2005

International Time
21:04 UTC
05.09.2005