The fixed read and write device VIR-GDGW-BHUR9100 mainly includes a read and write unit and an antenna unit, which are installed on road traffic poles and connected through feeder lines. During work, it can recognize electronic signs of motor vehicles with a driving speed of less than or equal to 200km/h, and supports simultaneous recognition of four lanes. The equipment meets the requirements of GB/T 35786-2017 General Specification for Electronic Identification Reading and Writing Devices for Motor Vehicles issued by the Ministry of Public Security, and is compatible with various manufacturers of electronic identification. Adopting national security algorithms to achieve bidirectional authentication and data encryption, with high information security.