2GB Micro SD Card 1.Shock proof, heat proof 2.Light and small ... the market 2GB Micro SD Card SD Card is Secure Digital Card, and it was launched by Panasonic, Toshiba and SanDisk. It was ... member companies including IBM,Microsoft,Motorola,NEC,Samsung etc. SD Card data transmission and physical specifications evolved from MMC,and ... , averaged data transfer rate can achieve 2MB/s. 2GB Micro SD Card