There is a convenient download link to download the Help file, Tutorials etc. for BizTalk RFID. The BizTalkRFID.chm file is the comprehensive help file that you can use for API reference as well as for other deployment operations.  Check it out at: http://www.microsoft.com/downloads/details.aspx?FamilyID=22b2e8d9-8cda-44f8-8f4e-b372c7660989&DisplayLang=en.

-Kalyan