Passive RF band filter 1090MHz AD B radio software SDR BPF narrow strips SMA input 1. High efficiency and convenience: high frequency band filter can reduce the difficulty of work, improve work efficiency and bring more convenience 2. Light and portable: software defined SDR walkie talkie it is small and light. One-handed operation can reduce operator fatigue and provide better user experience 3. Technical parameters: the filter can guarantee 25MHz passband capacity. The AD receiver B is optimized for 1090MHz and can effectively filter out-of-band signal oacute;w 4. PCB cooling: the bandpass filter adopts excellent PCB material, corrosion-resistant, increase the cooling area, extend the working time 5. Excellent performance: SDR bandpass filter is made with excellent workmanship, it has compact appearance and stable performance, can ensure durability and stability Specification: Item type: passive I or O bandpass filter interface: SMA in 50 ohm oacute; in Center frequency: 1090MHz Passband (3dB bandwidth): 14MHz ( Detailed information can be found in the measured frequency response diagram) Band insertion loss: maximum transfer power: How to use: Install and use directly. Package List: 1 x Passive Band Filter