The ZX antennas are a type of high-frequency (HF) beam and HF Yagi antennas. They are designed to operate in the HF frequency range, which typically spans from 3 to 30 megahertz. The HF beam antenna is a directional antenna that focuses the signal in a specific direction, allowing for long-distance communication. The HF Yagi antenna, on the other hand, is a type of antenna that consists of multiple elements arranged in a specific pattern. This design allows for increased gain and directivity, making it ideal for HF communication. Both the HF beam and HF Yagi antennas are commonly used in amateur radio, military, and commercial applications. They offer high performance and reliability, making them popular choices among radio enthusiasts and professionals alike.