Antennas for diagnosis and remote maintenance is a specialized category of industrial antennas designed for diagnostic and remote maintenance applications in sectors like manufacturing, telecommunications, and automation. These antennas are typically produced by global companies such as L-com (USA), Huber+Suhner (Switzerland), and TE Connectivity (Switzerland/USA). They enable wireless communication for condition monitoring, predictive maintenance, and real-time data transmission in harsh environments. Key products include ruggedized antennas, IoT-enabled antennas, and high-frequency antennas for industrial IoT (IIoT) and 5G networks. These solutions are widely used by industries like oil & gas, automotive, and smart factories to enhance operational efficiency and reduce downtime.