Features Optimized Frequency Selection: This bandpass filter effectively allows specific frequencies while blocking unwanted signals, enhancing your SDR radio performance Low Insertion Loss Design: Experience minimal signal loss with this advanced filter, ensuring superior audio quality and improved communication clarity Reliable 50 Ohm Impedance: Designed with a 50 Ohm characteristic impedance for stable performance, this filter ensures easy troubleshooting and excellent selectivity Hassle-Free SMA Interface: Equipped with a standard SMA interface, this filter guarantees straightforward connections and reduced interference for seamless operation Durable PCB Construction: Built with high-quality PCB material, this bandpass filter module offers exceptional reliability, making it ideal for various DIY radio projects Features: 1、MAIN PURPOSE: This bandpass filter is a device that allows specific bands to simultaneously block other frequency, suitable for SDR radio. 2、ADVANTAGES: This filter has the advantages of low insertion loss, high stopband stop, high image attenuation, and high power tolerance. 3、50Ω IMPEDANCE: The bandpass filter has 50 Ohms characteristic impedance, stable performance, convenient debugging and good selectivity. 4、SMA INTERFACE: This band pass filter is equipped with standard SMA interface, with good , easy connection, and l interference. 5、EXCELLENT PCB: This bandpass filter module uses excellent PCB board with high reliability, which is suitable for various DIY projects. Specification: Item Type: Bandpass Filter Characteristic Impedance: 50 Ohms Passband: 10M Insertion Loss: between3dB Input Power: between0.2W Interface: SMA-K Application: Used for SDR radio amateur amplifier Package List: 1 x Bandpass Filter Package List 1 x Bandpass Filter