BC-307, but is not Goldstar. It's OEM version, the chip should be SIRF2. 9 f3 B- r/ S. I, B6 aSee link: http://www.usglobalsat.com/item.asp?itemid=12 6 m/ e# ], u4 }. LBTW: Are you really intersted in buying that? Cause I think you've already got one, haven't you?/ q6 m3 k- f- X! {! ?