人们长期以来,对于个人小型便携、价格低廉的手持式通信机/计算机的设想即将成为现实,这种通信方式能使人们无论在什么地方,只要通过一个电话号码就可以通话或传送数据。 但是实现真正的移动计算仍然有一些障碍。PCMCIA卡是连接便携式计算机和蜂窝电话、克服上述障碍的关键,表明了未来无线数据网的发展方向,并且已成为办公室内外文件传送的主要手段。 For a long time, the idea of ​​a small, portable and affordable hand held communicator / computer for a person is on the horizon, enabling people to talk or transfer data wherever they are, by just one phone number. But there are still some obstacles to implementing true mobile computing. PCMCIA card is the key to connect portable computers and cell phones to overcome these obstacles, indicating the future direction of wireless data network and has become the main means of file transfer inside and outside the office.