March 10, 2025

Smart antennas are divided into switch beams (such as 6-beam switching, response <5ms) and adaptive arrays (MIMO technology, beamforming gain up to 20dB). The former presets a fixed coverage direction, while the latter tracks users in real time and dynamically adjusts the phase, which can increase the capacity of 5G systems by more than 30%. […]

Dual antennas can work together (such as MIMO or relay), and need to be in the same frequency band (e.g. 2.4GHz±50MHz), with a spacing ≥ half a wavelength (6.25cm at 2.4GHz). Orthogonal polarization or isolator (isolation>20dB) to prevent interference, phase shifter to adjust the phase (within ±30°), combiner needs 50Ω impedance matching to ensure signal

Bigger antennas offer higher gain and directivity, enhancing signal strength and precision in target signal capture. Relationship Between Wavelength and Antenna Size An antenna’s size is directly linked to the wavelength of the signals it is designed to receive or emit. The rule of thumb in antenna design is that the effective size of an

The parabolic antenna offers the highest gain, typically exceeding 30 dB, focusing signals into a narrow beam. Directional Antennas and Gain Directional antennas are those that focus energy in directions designed to enhance the signal power and reception quality, and, as a result, significantly increase the antenna gain. The advantage of using this type of

No, coaxial cables and antennas are not the same. Coaxials transmit signals via cable, while antennas emit signals through air. Common Uses of Coaxial Cables in Telecommunications Coaxial cables are indispensable in many telecommunications applications because they can move immense amounts of data with minimal interference or loss. They play a crucial role in connection

Satellite antennas vary in size from 45 cm for personal use to 30 meters for ground stations. Small Satellite Antennas for Personal Use One of the most widely used applications of satellite technology is satellite dishes that are used for satellite television and broadband satellite internet. Over time, small satellite antennas have seen considerable advancements.

The best antenna for satellite communication is a phased array antenna due to its rapid beam steering and wide frequency range capabilities. Parabolic Reflectors Parabolic reflectors are one of the most important components of satellite communications, mainly because they allow focusing radio waves into a narrow beam. These antennas use an appropriately shaped rounded reflective

Antennas transmit and receive terrestrial signals, while satellites relay signals from space, often over thousands of kilometers. How Antennas Receive and Transmit Signals An antenna is a crucial component in communication systems as it converts electrical signals into electromagnetic waves and vice versa. It comprises of an electrical conductor through which alternating current flows to

Explore various Satcom antennas like parabolic dishes, phased arrays, and helical antennas for efficient satellite communication. Parabolic Dish Antennas Background: Describe the key features of your technology, how it works and what it is used for Parabolic Dish Antennas are an important element of satellite communication systems, recognized mainly for their capability to focus signals