1、Possess very good stability, and at the same time has the characteristics of large dynamic range and wide operating frequency range 2、Frequency is 400‑470MHZ, suitable for fixed gain amplification of various RF signals 3、One ‑ piece molding without burrs, smooth surface bring simple installation, very practical 4、Excellent printed circuit board adopt good quality 1.6mm thickness double‑sided board 5、Full tinning process guarantee good passing performance of large and small currents Item Type: Low Pass Filter Module Material: PCB Frequency: 400-470MHZ Corresponding Standing Wave Ratio: S11<-20dB, standing wave ratio SWR <1.22 S22<-20dB, standing wave ratio SWR <1.22 S21>-0.5dB, insertion loss <0.5dB 1 x Low Pass Filter Module