【High Percompatible withmance】: Combines a TA1090EC SAW filter and TQP3M9009 low noise amplifier (LNA) compatible with optimized at 1090MHz, ideal compatible with applications. 【Low Noise High Gain】: Delivers 21dB with minimal noise interference, ensuring strong and stable reception. 【Compact & Sturdy Design】: Made of sturdy metal in a compact size ,built to withstand rigorous use while saving space. 【Easy 5V USB C Power 】:Operates on just 5V/0.1A , powered via USB C compatible with convenient integration with modern devices and portable setups. 【Double SMA Connector】: Features both female (inner hole) and male (outer thread) SMA connector compatible with flexible compatibility with various antenna setups or cables. Specification: Material: Metal Size Chart: 5.6cmx1.3cmx0.7cm/2.20inchx0.51inchx0.28inch Package Includes: 1 Filter Module Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Hope you a wonderful on-line shopping!