The transceivers, which relay lowpower radio waves above the heads of unsuspecting pedestrians, are part of a highspeed wireless network called Ricochet.
The transceivers, which relay lowpower radio waves above the heads of unsuspecting pedestrians, are part of a highspeed wireless network called Ricochet.
那些收发器是「弹跳」高速无线网路的组件，纽约市路灯杆与电线杆上一共装了3000个，它们在行人头上传递低功率无线电波，没有人察觉过。