This product is a series of signal transmission cables designed to meet the special environmental conditions and requirements of photovoltaic power stations, specifically for automatic control and unattended monitoring systems in power stations. This product series meets the performance requirements for the special environments in which photovoltaic power stations are located, including high-temperature and extremely cold regions; tidal flats, grasslands, humid and salt-fog areas; regions with strong ultraviolet radiation and ozone corrosion, etc. At the same time, according to needs, it can also consider pressure resistance, tensile resistance, high-rise rooftop applications, and protection against animal gnawing and biting, etc.