BC-307, but is not Goldstar. It's OEM version, the chip should be SIRF2. & p% } z3 D( m) p5 `! i+ oSee link: http://www.usglobalsat.com/item.asp?itemid=12 $ [3 I b# i+ U" _. p& x9 IBTW: Are you really intersted in buying that? Cause I think you've already got one, haven't you?' o8 W" ^/ s' F