10KHz–6GHz 20dB Low Noise RF Preamplifier Signal Booster
10KHz to 6GHz Low Noise RF Preamplifier — 20dB High Gain Signal Booster Module
Take your RF signal chain to the next level with this wide-band, ultra-low-noise preamplifier module. Covering an impressive frequency range from 10KHz all the way to 6GHz, this compact metal-housed module delivers 20dB of high gain with an exceptionally low noise figure of just 0.4dB NF — making it ideal for SDR receivers, spectrum analyzers, antenna testing, amateur radio setups, and precision RF lab work.
Why Choose This RF Preamplifier?
- Ultra-Low Noise Figure (0.4dB NF): Maximizes sensitivity for weak-signal detection in both field and bench applications.
- Wide Frequency Coverage: Operates seamlessly from 10KHz to 6GHz, handling HF, VHF, UHF, and microwave bands in a single module.
- High Linearity & Gain: 20dB gain with a +35dBm output third-order intercept point ensures clean, distortion-free amplification even with strong adjacent signals.
- Robust Input Protection: Handles up to 22dBm continuous-wave input power without damage, protecting your module in demanding environments.
- Stable 50Ω Impedance: Standard 50-ohm input/output impedance for seamless integration with all common RF test equipment and setups.
- SMA Female Connector: Fits directly into existing RF chains without additional adapters — plug and measure instantly.
- Built-In 600mAh Battery: Powered by an onboard 600mAh battery with a 5V / 70mA supply, enabling truly portable field operations without a tethered power source.
- Compact Metal Construction: Shielded metal enclosure (4.9 × 4.5 × 1.9 cm) minimizes interference and keeps your signal clean.
Technical Specifications
| Frequency Range | 10KHz – 6GHz |
| Gain | 20dB |
| Noise Figure | 0.4dB NF |
| OIP3 | +35dBm |
| Max Input Power | 22dBm (CW) |
| Impedance | 50Ω (Input & Output) |
| Connector | SMA Female |
| Power Supply | 5V / 70mA |
| Built-In Battery | 600mAh |
| Material | Metal |
| Dimensions | 4.9 × 4.5 × 1.9 cm |
| Country of Origin | Made in China |
What's in the Box?
- 1× Low Noise RF Preamplifier Signal Booster Module
Perfect For
- Software-Defined Radio (SDR) reception enhancement
- Spectrum analyzer front-end boosting
- Amateur radio (ham radio) weak-signal work
- RF lab testing and signal chain verification
- Antenna range measurements and field surveys
- General-purpose RF research and development
If you enjoy hands-on electronics projects, you may also like the Electromagnetic Induction Tester – Coil & Circuit Fault Detector or the Air Compressor Pressure Gauge 0–25 Bar | DIY Tool for your workbench toolkit.
Note: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement deviations (±1–2mm).
Learn more: OSHA on eye and face protection
Frequently Asked Questions
Q: What frequency range does this RF preamplifier module cover?
A: This low-noise RF preamplifier covers a wide frequency range from 10KHz to 6GHz, making it suitable for HF, VHF, UHF, and microwave applications including SDR receivers, spectrum analyzers, and amateur radio setups.
Q: Does the 20dB high gain RF preamplifier require an external power supply?
A: No external power supply is required for portable use — the module includes a built-in 600mAh rechargeable battery powered at 5V / 70mA, allowing extended field operation. It can also be powered via a standard 5V USB source when stationary.
Q: What connector type does this signal booster module use?
A: The module is equipped with an SMA female connector, which is the industry-standard interface for RF test equipment. This allows quick, tool-free integration into most existing RF setups without additional adapters.
Q: Is this RF preamplifier suitable for SDR (Software-Defined Radio) use?
A: Yes, absolutely. With its ultra-low 0.4dB noise figure and 20dB gain across the full 10KHz–6GHz band, this preamplifier is an excellent front-end booster for popular SDR dongles and receivers, significantly improving weak-signal sensitivity and overall reception quality.