A railway rail support has a fixing plate with a flat body with an upper surface for receiving a rail, left and right fixing portions and front and rear extended support portions respectively extending from opposite sides of the body, and a through hole at a center portion of the body. The onboard short range RF transceiver is configured to transmit and receive signals within a limited distance from the onboard short range RF transceiver. The liquid crystal layer and the patterned sealant surrounding it are disposed between the first substrate and the second substrate. The first data includes at least one of first signal strength data and second signal strength data.