GD9-18

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

RF Antennas: GD9-18 is an example of a RF Antenna, which is an electrical device used to transmit and receive radio waves. It is commonly found in many applications, such as wireless communications, satellite communications, and radar systems. The design of RF Antennas is based on the principles of electromagnetism, and the various features of the antenna determine its function and performance. GD9-18, for instance, is an ultra-compact directional patch antenna that is designed to operate in the UHF and VHF frequency bands.

The GD9-18 is a dielectric backed antenna, meaning it consists of a radiating element mounted onto a non-conductive substrate, such as epoxy glass or PTFE. This type of antenna is very small in size compared to a conventional antenna, allowing for a much more compact and lightweight design. It also has a limited bandwidth due to its size, however it is well suited for applications that require a narrow radiation pattern.

The working principle of the GD9-18 is based on directional antennas, which are often used to focus the radio energy in a particular direction, as opposed to omni-directional antennas, which broadcast in all directions. The radiating element of the GD9-18 is essentially a rectangular patch pattern. It contains several metal elements that are arranged in a specific shape, which, when energized, produce the required radiation pattern. The metal elements are etched onto the dielectric substrate, which is then tuned to the desired frequency.

The GD9-18 provides excellent performance when used in applications such as base stations, monitoring systems, and other fixed wireless links. It has a low level of total radiated power, making it suitable for low-power environment. It also features a smooth radiation pattern with low side lobes, which is ideal for instances when the antenna is located close to other sensitive equipment. Additionally, the GD9-18 has similar gain as a traditional yagi antenna with the same size. This is beneficial for applications that require a compact radiating solution with high gain performance.

In conclusion, the GD9-18 is a great example of a RF Antenna that is capable of achieving excellent reception capabilities and strong transmission power. Its small size, low-power requirements, and wide bandwidth make it suitable for many applications, such as wireless communications and radar systems. Its dielectric backing and rectangular patch pattern technology allows for high gain performance with low side lobes, making it well-suited for setups that need to avoid interference from other nearby antennas or devices.

The specific data is subject to PDF, and the above content is for reference