BC-307, but is not Goldstar. It's OEM version, the chip should be SIRF2. 2 k. X: ]7 i cSee link: http://www.usglobalsat.com/item.asp?itemid=12 ; c; w1 }% W. O6 y6 }" ]" k" F+ zBTW: Are you really intersted in buying that? Cause I think you've already got one, haven't you?( `5 f, }, y; C3 ]