dongle drivers

Hi im trying to find which driver i need to install in order for the dongle to be recognised Ross Williams sent me a link to sentinel but im not sure which of the drivers i require any help would be great thanks in advance
Device i want to install on
Mac Book Pro 15 inch 2.7Ghz IntelCore i7 OS 10.7.5

i think that i have found the answer with the help of Nev Bull
it is in the help menu Thank you Nev as alway you rescue the needy