The description you provided appears to describe a specific type of wall socket or outlet designed for multiple signal connections, including Antenna, Cable TV (CATV), and FM. Here's a breakdown of the key components and features mentioned:

1. Professional Zinc Casting: This indicates that the wall socket has a durable housing with a casting made of zinc. Zinc is often used for its corrosion resistance and durability.
2. Antenna, Cable TV, FM: This wall socket is designed to accommodate connections for various signals:
   • Antenna: It supports antenna signal connections, which are commonly used for over-the-air TV broadcasts.
   • Cable TV (CATV): It supports cable TV signal connections, typically used for cable television services.
   • FM: It supports FM radio signal connections, allowing you to connect an FM antenna or cable.
3. Double 2 IEC Connectors: This suggests that the wall socket has two IEC connectors for each type of signal, totaling four connectors. The IEC connectors are commonly used in audio/video equipment and are known for their ease of use and reliability.
4. Catv Wall Socket: This indicates that the wall socket is designed to be installed in a wall or wall plate, providing a convenient and organized way to access and connect multiple signal sources.

Here's how you might use such a wall socket:

• You can install this wall socket in your home or building in a location where you want to provide access to antenna, cable TV, and FM radio signals.
• The double IEC connectors for each type of signal allow you to connect multiple devices or cables for each signal type, providing flexibility in signal distribution.