Features EXCELLENT PCB: This bandpass filter module uses excellent PCB board with high reliability, which is suitable for various DIY projects. 50Ω IMPEDANCE: The bandpass filter has 50 Ohms characteristic impedance, stable performance, convenient debugging and good selectivity. SMA INTERFACE: This band pass filter is equipped with standard SMA interface, with good contact, easy connection, and less interference. ADVANTAGES: This filter has the advantages of low insertion loss, high stopband stop, high image attenuation, and high power tolerance. MAIN PURPOSE: This bandpass filter is a device that allows specific bands to simultaneously block other frequency, suitable for SDR radio. Specification: Item Type: Bandpass Filter Characteristic Impedance: 50 Ohms Passband: 10M Insertion Loss: <3dB Input Power: <0.2W Interface: SMA-K Application: Used for SDR radio amateur amplifier Package List: 1 x Bandpass Filter Package List 1 x Bandpass Filter