1.Four ports for selection:USB, PCMCIA II, EXPRESS CARD/54, EXPRESS CARD 2. Providing the max. 473.6kbps theoretics speed. Specifications1. ... .7. There are four ports for selection: USB, PCMCIA, IIEXPRESS, CARD/54EXPRESS CARD and the port of this model is USB port ... . Main Features1. Supporting GPRS/EDGE.2. Separated card.3. Working status indicating light .4. Supporting voice service, ...