1090MHz Outdoor Cavity Filter – IP67 Waterproof N-Type Bandpass Module for ADS-B Receivers, Aviation Antennas & Weatherproof Tracking Systems

Product Description

For aviation enthusiasts and commercial operators, deploying ADS-B receivers outdoors requires hardware that can withstand severe weather while protecting highly sensitive front-ends from strong adjacent interference. The 1090MHz Outdoor Cavity Filter meets this challenge with a heavy-duty IP67 waterproof white aluminum housing and an outstanding ≥75dB out-of-band rejection. By heavily attenuating spurious signals from cellular towers and other nearby transmitters, it prevents receiver desensitization and maximizes the capture of weak aircraft transponder signals. Featuring a specialized N-Female input and N-Male output configuration and an ultra-low ≤0.5dB insertion loss, this robust module is the ideal drop-in solution for exterior aviation antenna assemblies and weatherproof high-sensitivity aircraft signal-detection hardware.

Typical Applications

• Outdoor-Mounted ADS-B Receivers: Protect receiver front-ends from harsh weather and high-power adjacent interference near airports.
• Exterior Aviation Antenna Assemblies: Provide reliable, weatherproof filtering directly at the antenna mast.
• Weatherproof Signal-Detection Hardware: Ensure clean spectrum for critical long-range flight tracking and monitoring.
• Airport Ground Infrastructure: Suppress spurious emissions in exposed, dense communication environments.
• Remote Flight Tracking Networks: Enhance signal-to-noise ratio for distributed tracking stations in remote locations.
• Outdoor RF Diagnostics: Support field testing and signal validation with robust weather resistance.

Technical Specifications

Key Advantages

IP67 Waterproof and Heavy-Duty Protection. The IP67-rated white aluminum enclosure provides exceptional resistance against rain, dust, and UV exposure, ensuring reliable, long-term operation for mast-mounted or exposed outdoor installations.

Superior Interference Rejection with Minimal Loss. Featuring ≥75dB out-of-band rejection, this cavity filter shields sensitive ADS-B receivers from strong adjacent signals, while the ≤0.5dB insertion loss and VSWR ≤1.2 preserve critical signal strength.

Optimized Outdoor Aviation Interface. Tuned precisely for the 1086-1094MHz band, it features a practical N-Female input and N-Male output configuration, simplifying integration into exterior aviation antenna assemblies and weatherproof receiver enclosures.

What's in the Box

• 1 × 1090MHz Outdoor Cavity Filter