http://products.adtrack.com/00374/9606.asp
http://epsfiles.intermec.com/eps_files/eps_campaign/RFID_Rigidtag/LargeRigidRFIDTag_spec_web.pdf
http://epsfiles.intermec.com/eps_files/eps_campaign/RFID_Rigidtag/RFIDTagSelection_web.pdf
http://epsfiles.intermec.com/eps_files/eps_campaign/RFID_Rigidtag/SmallRigidRFIDTag_spec_web.pdf