Eteily Technologies India Pvt. Ltd., a leading manufacturer of RF antennas and cables, works hard to make these complex ideas simple and understandable for engineers, system designers, and buyers alike. Antenna directivity is one of the most important performance factors in wireless communication because it determines the strength, effectiveness, and direction of the signal.
What is Antenna Directivity?
Antenna directivity is an antenna's capacity to direct energy in a certain direction during signal transmission or reception. It is calculated as the ratio of power radiated in the major lobe (the strongest direction) to the average power emitted in all directions (isotropic).
In other words, the more "direction" an antenna has, the better its directivity. A high-directivity antenna, which concentrates energy in a single direction, is suitable for long-distance transmission or point-to-point communication.
Different Types of Antenna Directivity
1. All-around Antennas
- Radiate uniformly around the antenna axis in all directions.
- Limited directivity yet broad coverage.
- Ideal for indoor routers, base stations, and urban networks.
🔗 Explore Omnidirectional Antennas
2. Directional antennas
- Radiate mostly in one direction.
- High directivity correlates with increased signal strength and range.
- Suitable for point-to-point connectivity, rural towers, and GPS tracking.
🔗 Shop Directional Yagi Antennas
The Significance of Directivity
- Extends the signal's range in certain regions.
- Avoids adverse directions to reduce disturbance.
- Increases the power efficiency of long-distance communications.
- Increases data reliability and speed in specific network deployments.
In rural or obstructed areas, a high-directivity Yagi antenna directed at a distant 4G tower performs better than a normal omni antenna.
Do directivity and gain have the same meaning?
Despite prevalent misconceptions, gain and directivity are not synonymous. Directivity quantifies the signal's level of focus, whereas gain takes into account both focus and antenna efficiency. An antenna might have strong directivity but low gain if it loses energy owing to poor construction or an incorrectly matched design.
🔗 Learn More About Antenna Materials and Gain
Eteily's High-Directivity Antenna Solutions
Eteily designs antennas with unique radiation patterns, high gain, and precise directivity for use in:
- Long-range wireless networks,
- Including 4G and 5G LTE and GPS/GNSS.
- Industrial IoT and remote surveillance
- Cellular Signal Boosters
Browse our selection of directional antennas or contact us for OEM-specific solutions.
Contact us
Eteily Technologies India Pvt. Ltd.
- Address: B28 Vidhya Nagar, Near SBI Bank,
- District: Bhopal, PIN: 462026, Madhya Pradesh
- Website: https://eteily.com
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