Non-Uniformity: Different regions and countries have varying license plate designs, fonts, and formats, which can pose challenges for the recognition system.
Tampering and Alterations: Some individuals may try to alter or obscure their license plates to avoid detection.
Vehicles with metalized windshields or those containing chromium oxide can pose challenges for RFID readers. This is because these materials can interfere with the radio waves used by RFID systems, making it difficult to read the tags attached to these vehicles.Other models may also have headlamp installations that can interfere with the rfid readers.