Dedicated Frequency Design: Optimized for 1090MHz ADS-B signals, ensuring efficient and stable reception. High Gain, Low Noise: Provides 38dB gain with a low noise figure, effectively improving signal quality. Strong Out-of-Band Rejection: Employs a dual-filter structure, achieving out-of-band rejection of -75dB@±50MHz and -55dB@±1GHz, significantly improving the signal-to-noise ratio. Wide Voltage Supply: Supports 3.3V-5.0V DC power supply, offering strong compatibility. Rugged Metal Housing: Precision-machined using CNC milling, providing excellent shielding and durability. This product is a high-performance RF front-end module specifically designed for ADS-B receiving systems. It employs a two-stage low-noise amplifier and a two-stage dedicated filter combination, featuring high gain, low noise, and a wide dynamic range. It significantly improves the receiving sensitivity and anti-interference capability of 1090MHz band signals, making it suitable for aviation surveillance, signal reception, and related testing applications. Specifications Operating Voltage: DC 3.3V-5.0V Operating Frequency: 1090MHz (ADS-B Dedicated) Gain: 38dB Design Structure: Two-stage low-noise amplifier + Two-Stage Dedicated Filter Application ADS-B Ground Receiving Station Aviation Surveillance and Signal Analysis System UAV Detection and Air Traffic Control Auxiliary Equipment Radio Teaching and Research Experiments Related Frequency Band Signal Reception and Testing Platform Instructions for Use Please ensure the power supply voltage is within the range of 3.3V-5.0V. Pay attention to the connector mating direction during installation; avoid forced insertion and removal. Recommended for use with a 1090MHz antenna for optimal reception. Avoid use near strong interference sources to prevent performance degradation. Color: As Shown Material: Metal Package Contents: 1*ADS-B RF front-end module Only the above package content, other products are not included. Note: Light reflection and diff