ROSIM wireless car traffic counter( vehicle detection system) contains wireless vehicle detector and wireless access point. this setup is sometimes complemented by a repeater, or several.
1,the wireless vehicle detectors detect vehicles exsitence/driving direction/speed,etc.
2. send all the data information wirelessly to wireless access point.
3.wireless access point aggregates these data and report key traffic parameters such as presence ,lane occupancy, queue length and so on.
magnetic wireless vehicle detector same with Sensysnetworks