Frequency Bands of Drone Antennas

　　Frequency Bands of Drone Antennas

　　The choice of communication frequency bands for drones is crucial to their performance and application range. Here are the main commonly used communication frequency bands for drones and their characteristics:

　　1. 433MHz

　　Features: This frequency band offers a long transmission distance, making it suitable for long-range aerial photography.

　　Disadvantage: The transmission speed is relatively slow.

　　2. 900MHz

　　Features: It is also applicable for long-distance transmission and has a faster speed than 433MHz.

　　Application: Mostly used for remote control signals.

　　3. 2.4GHz (2400-2476MHz)

　　Features: This frequency band has a high data transmission rate and is often used for image transmission and control links.

　　Application: Widely used in image transmission and control of drones in both consumer and professional markets.

　　4. 5.8GHz (5725-5829MHz)

　　Features: It also supports high-speed data transmission, but has more interference issues and requires a larger antenna for signal reception.

　　Application: Mainly used in image transmission and application scenarios with high bandwidth requirements.

　　5. 840.5-845MHz

　　Features: This frequency band is mainly used for the uplink remote control link of civil drones, among which 841-845MHz can be used for the uplink remote control and downlink telemetry of civil drones in a time-division manner.

　　Application: Widely used in remote control and telemetry of civil drones.

　　6. 1430-1444MHz

　　Features: This frequency band is used for the downlink telemetry and information transmission link of civil drones, among which 1430-1438MHz is specially used for video transmission of police drones and helicopters.

　　Application: Mainly used for downlink telemetry and video transmission for specific purposes.

　　In addition, there are other frequency bands such as the GPS satellite signal frequency band (about 1.5GHz), which is mainly used for positioning and navigation; and some frequency bands internationally allocated to drone systems, such as 5030-5091 MHz, which are usually used for more stringent communication requirements, such as satellite command and control.