Most wireless LANs currently operate at the increasingly crowded 2.4 GHz frequency,where they compete for airspace with signals from microwave ovens,cordless telephones and other consumer electronic products.

• 目前，多数无线局域网工作在日益拥挤的2.；4GHz频率上，在此频率上，它们要与微波炉、无绳电话和其他消费类电子产品发出的信号争夺空间。