Pair of 2 Device
The front camera connects with the wifi bridge A(CPE) by cables, which are fastened to the top of the elevator. Set up wireless router B(AP) on the top and then connect it to wirless router C (CPE) with cables. Wireless router C is about to transmit the data to relay D.Relay D and relay E are charge of broadcasting.Wireless router E connects to control center through the wireless router F.
Monitor the inner elevator with network cameras.
The signal collector is about to gather the state and datas, then transfer it to the wireless bridge.
