The THA-7609A is a multi-system full-frequency external low-profile drone antenna that covers BDS B1/B2/B3, GPS L1/L2/L5/L-Band, GLONASS L1/L2, and GALILEO E1/E5a/E5b signals. It finds extensive applications in industries such as surveying, mapping, and navigation, and is particularly suitable for various applications in lightweight drones, including aerial, remote telemetry, disaster monitoring, traffic patrol, and security surveillance.