BC-307, but is not Goldstar. It's OEM version, the chip should be SIRF2. 8 ?% Z7 h. Q1 T M- _See link: http://www.usglobalsat.com/item.asp?itemid=12 2 B r) M( u; W& xBTW: Are you really intersted in buying that? Cause I think you've already got one, haven't you?0 G8 O) m) H& X4 ^! S