Although some PC laptops now come pre-equipped with wireless hardware, most users buy a PCMCIA card, or PC card, that serves as a wireless modem and antenna.

• 尽管现在有些PC机膝上电脑预先装备了无线硬件，但是大多数用户还是购买PCMCIA卡，或者是PC卡作为无线调制解调器和天线使用。