10KHz–6GHz 20dB Low Noise RF Preamplifier Signal Booster
10KHz to 6GHz Low Noise RF Preamplifier — 20dB High Gain Signal Booster Module
Elevate your RF signal chain with this wideband low noise preamplifier module. Covering an impressive range from 10KHz all the way to 6GHz, this compact metal-bodied booster delivers 20dB of high gain alongside an ultra-low noise figure of just 0.4dB NF — making it an ideal front-end amplifier for SDR receivers, spectrum analyzers, ham radio setups, signal generators, and RF lab testing applications.
Key Features
- Ultra-Wide Frequency Coverage: 10KHz to 6GHz — compatible with a vast range of RF applications including HF, VHF, UHF, and microwave bands.
- High Gain + Ultra-Low Noise: 20dB gain with a 0.4dB noise figure ensures exceptional sensitivity and clean signal amplification.
- Robust Linearity: Features a +35dBm output third-order intercept point (OIP3) for outstanding intermodulation performance in dense signal environments.
- High Input Power Resilience: Handles up to 22dBm continuous wave input without damage — built to last in demanding lab and field scenarios.
- Stable 50Ω Impedance: Standard 50-ohm input/output impedance for seamless integration with common RF test equipment and coaxial systems.
- SMA Female Connector: Equipped with an SMA female port for quick, tool-free integration into existing RF setups — no extra adapters needed in most configurations.
- Built-In 600mAh Battery: Onboard rechargeable 600mAh battery powered via 5V / 70mA supply ensures extended field operations and portable use.
- Compact Metal Enclosure: Measures just 4.9 × 4.5 × 1.9 cm — lightweight and rugged for both bench and portable deployment.
Specifications
| Frequency Range | 10KHz – 6GHz |
| Gain | 20dB |
| Noise Figure | 0.4dB NF |
| OIP3 | +35dBm |
| Max Input Power | 22dBm (CW) |
| Impedance | 50Ω |
| Connector | SMA Female |
| Power Supply | 5V / 70mA |
| Battery | Built-in 600mAh |
| Material | Metal |
| Dimensions | 4.9 × 4.5 × 1.9 cm |
| Country of Origin | Made in Mainland China |
What's in the Box
- 1× Low Noise RF Preamplifier Signal Booster Module
Who Is This For?
This preamplifier module is an excellent choice for electronics enthusiasts, RF engineers, amateur radio operators (ham radio), SDR (Software Defined Radio) hobbyists, and lab technicians who need a reliable, broadband, low-noise front-end amplifier for signal reception, testing, and measurement applications.
For technical background on radio frequency systems and signal measurement standards, refer to the NIST Communications Technology Laboratory, which provides authoritative resources on RF measurement and metrology.
Frequently Asked Questions
Q: What frequency range does this RF preamplifier module cover?
A: This low noise RF preamplifier operates across a wide frequency range of 10KHz to 6GHz, making it suitable for HF, VHF, UHF, L-band, S-band, and C-band RF applications including SDR receivers, spectrum analyzers, ham radio, and lab signal testing.
Q: Does the module require an external power supply?
A: The module includes a built-in 600mAh rechargeable battery charged via a 5V / 70mA supply, allowing for both bench-top and portable/field operation without a constant external power connection.
Q: What connector type does this preamplifier use?
A: It uses a standard SMA female connector, which is compatible with the majority of RF coaxial cables and test equipment used in hobbyist and professional RF setups.
Q: Is this suitable for use with Software Defined Radio (SDR) dongles?
A: Yes — the 20dB gain and 0.4dB ultra-low noise figure make this module an excellent front-end preamplifier for SDR dongles such as RTL-SDR, HackRF, and similar devices, significantly improving weak-signal reception performance across the full supported frequency range.
Q: What is the maximum input signal level this module can handle?
A: The module can withstand up to 22dBm continuous wave (CW) input power, providing robust protection against accidental overload in environments with strong nearby transmitters.