Feature:1. Stable performance, excellent quality, mainly used for learning vector network analyzer.2. Exquisite workmanship, high reliability, compact and light, easy to operate.3. This RF test board adopts high-quality PCB, with good durability and stability.4. It can be used with NanoVNA-F to measure 6.5m ceramic notch filter with 3dB bandwidth of 400MHz.5. It can be used with NanoVNA-F to measure the self-made low-pass filter.Specification:Condition: 100% Brand NewItem Type: RF Demo KitMaterial: PCBSize: Approx. 10x10cm / 3.9x3.9inFunction: 1. RLC series and parallel circuit 12. RLC series and parallel circuit 23. 33 ohm resistance, SWR standing wave = 1.54. 75 ohm resistance, SWR standing wave = 1.55. BSF ceramic trap, center frequency 6.5MHz6. BPF ceramic filter, center frequency 10.7MHz7. RC series circuit8. LC series circuit9. Capacitor10. Inductance11. LPF homemade low-pass filter, 3dB bandwidth 400MHz12. HPF homemade high-pass filter, 3dB bandwidth 500MHz13. Short circuit calibration circuit14. Open circuit calibration circuit15. 50 ohm load calibration circuit16. Straight through17. 10dB attenuation circuit18. 3dB attenuation circuit.Package List:1 x RF Demo Kit2 x Adapter Cable