20W–50W TDD Bidirectional RF Power Amplifier for Drone Data Links
Overview
The TDD Bidirectional RF Power Amplifier is designed to improve signal strength and communication reliability in wireless video and data transmission systems. Available in multiple frequency bands and output power configurations, it supports long-range COFDM links, FPV systems, UAV communication platforms, and ground control stations.
With transmit and receive amplification, fast TX/RX switching, and low group delay, this compact RF amplifier is suitable for applications requiring stable wireless connectivity and low-latency data transmission.
Key Features
• Multiple Frequency Options: 915 MHz, 1.4 GHz, 2.4 GHz, and 5.8 GHz configurations are available.
• Flexible Output Power: Choose from 20 W, 30 W, 40 W, or 50 W options, subject to model availability.
• TDD Bidirectional Operation: Amplifies both transmit and receive signals.
• High TX/RX Gain: Typical TX gain of 27 ± 1 dB and RX gain of 21 ± 1 dB for the referenced 20 W model.
• Fast Switching: TX/RX switching time of ≤ 1 μs.
• Low Group Delay: ≤ 50 ns within the operating band.
• Low Noise: Noise figure of ≤ 2.5 dB for the referenced model.
• Compact Metal Housing: Designed for integration into wireless communication equipment.
• Customization Available: Frequency range, output power, and switching control can be discussed for project-specific requirements.
Technical Specifications
Product Type: TDD bidirectional RF power amplifier
Available Frequency Bands:
• 915 MHz: 902–928 MHz
• 1.4 GHz: 1400–1500 MHz
• 2.4 GHz: 2400–2500 MHz
• 5.8 GHz: 5100–5960 MHz
Available Output Power: 20 W / 30 W / 40 W / 50 W
TX Gain: 27 ± 1 dB (referenced 20 W model)
RX Gain: 21 ± 1 dB (referenced 20 W model)
Noise Figure: ≤ 2.5 dB (referenced 20 W model)
Group Delay: ≤ 50 ns
In-Band Ripple: ≤ 1 dB (peak-to-peak)
RF Switching Threshold: +10 dBm standard configuration for the referenced model
TX/RX Switching Time: ≤ 1 μs
Isolation: ≥ 50 dB
Power Supply: 24–28 V DC (referenced 20 W model)
TX Current: ≤ 3.5 A (referenced 20 W model)
RX Current: ≤ 0.08 A (referenced 20 W model)
Operating Temperature: -20°C to +70°C
RF Connector: SMA-50 KFD (referenced 20 W model)
Dimensions: 97 × 56 × 19 mm, excluding connectors (referenced 20 W model)
Mounting Holes: 4 × Φ2.6 mm; mounting pattern 91 × 50 mm (referenced 20 W model)
Note: Electrical specifications and dimensions may vary by frequency band and output power. Confirm the selected configuration before ordering.
Applications
• Long-range drone video and data links
• UAV and FPV wireless communication systems
• COFDM video transmission systems
• Ground control stations
• Wireless relay stations and repeaters
• Unmanned ground and surface vehicles
• Industrial monitoring and remote-control systems
• Customized OEM wireless communication equipment
FAQ
Q1: Which frequency bands are available?
A: Options include 915 MHz, 1.4 GHz, 2.4 GHz, and 5.8 GHz. Confirm the required frequency range when ordering.
Q2: Can I choose the output power?
A: The product family offers 20 W, 30 W, 40 W, and 50 W options, subject to availability and the selected frequency band.
Q3: Does one standard unit support both 2.4 GHz and 5.8 GHz?
A: Standard versions are designed for a specific frequency band. A customized dual-band solution may be possible after engineering evaluation.
Q4: Can the amplifier work with COFDM video transmitters?
A: It is designed for compatible TDD bidirectional RF systems, including suitable COFDM video and data links. Verify RF frequency, input level, interface, and switching requirements before integration.
Q5: How does TX/RX switching work?
A: The referenced configuration uses RF input power detection with a standard switching threshold of +10 dBm. An external 3.3 V TX/RX control option may be available by configuration. Confirm the control method before ordering.
Q6: What power supply is required?
A: The referenced 20 W model uses 24–28 V DC. Confirm the voltage and current requirements for your selected model.
Q7: Can the specifications be customized?
A: Custom frequency ranges, output power, gain, and TX/RX switching arrangements may be available. Contact us with your system requirements.
Ordering Information
Please specify your required frequency band, output power, TX/RX control method, RF connector, and power supply when requesting a quotation. Check local RF transmission regulations and ensure the amplifier is compatible with your radio and antenna system.