With the continuous development of wireless technology in recent years, wireless control cards with high technical difficulty in the LED control card industry have made great progress, and GPRS LED electronic screens, GSM wireless LED electronic screens, GPS wireless LED electronic screens, etc. have emerged. It has been steadily developed in terms of functionality, stability, safety, and applicability. Therefore, the use of GPRS wireless control cards to send LED electronic screen information has re-emerged on the stage of major places. Expressway weighing wireless LED electronic screen weighing control system case The newly released LED information release system adopts the most advanced wireless release method, which can timely and accurately report the current traffic flow, weather information or traffic accidents on a certain road section. The situation is posted on the LED electronic screen, so that the driver can be informed of various current road condition information in time, the vigilance of the driver can be improved, and the safety factor of road traffic can be improved. GPRS wireless LED screen weather control system case, the latest research and development of GPRS wireless LED control card product advantages Remote wireless operation: GPRS wireless control card can remotely operate terminal equipment anytime and anywhere through GPRS network and external network People who have never used it at all can also learn to use it in 5 minutes Information security: GPRS wireless control card login through account password, program review, edit and send, perfect information security authority management: wireless LED information release information adopts authority management function, which can be divided into Multiple levels, convenient management, real-time monitoring of safety equipment: through the wireless LED electronic screen information release system, real-time monitoring, operation of terminal equipment, no distance limitation Good chip quality: GPRS wireless control card uses imported chips, ensuring stronger, More stable system computing power .