Features: ADS B with this 1090MHz focused active filter module, featuring 21dB and advanced shielding for aviation tracking. Engineered with connectors and compact 55.3mm design, this low noise amplifier integrates seamlessly between antennas and receivers via Type C power for stable, enhancement. Ideal for aviation enthusiasts, operators, and ADSB users requiring 1090MHz frequency amplification in aircraft tracking or flight data reception setups. Optimize real time flight monitoring cockpits, ground stations, or portable tracking systems with this 5V powered module designed for uninterrupted transmission across varying environments. Achieve stability with its filtered bandwidth and 0.1A low power, ensuring minimal noise for critical aviation communication and data decoding tasks. Specifications: Product parameters Working: 5V Operating current: 0.1A Power supply: TypeC Connector: Double (inner hole and external thread) Optimal frequency: 1090MHz Size: 55.3x13x6.5mm: 21dB Package Includes: 1x Active filter note: Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!