Item Type: Filter Attenuator_x000D_Material: PCB_x000D_Description:_x000D_PCB Dmension 10x10cm/ 3.9x3.9in for Learning Vector Network Analyzer, Including:_x000D_1. RLC Series Parallel Circuit 1_x000D_2. RLC Series Parallel Circuit 2_x000D_3. 33Ohm Resistance, SWR Standing Wave = 1.5_x000D_4. 75Ohm Resistance, SWR Standing Wave = 1.5_x000D_5. BSF Ceramic Filter Element, Central Frequency 6.5mhz_x000D_6. BPF Ceramic Filter Element, Center Frequency 10.7MHz_x000D_RC Series Circuit_x000D_8. LC Series Circuit_x000D_9. Capacitance_x000D_10. Inductance_x000D_11. LPF Homemade Low Pass Filter, 3dB Bandwidth 400MHz_x000D_12. HPF Homemade High Pass Filter, 3dB Bandwidth 500MHz_x000D_13. Short Circuit The Calibration Circuit_x000D_14. Open Circuit Calibration Circuit_x000D_15. 50ohm Load Calibration Circuit_x000D_16. Direct Connection_x000D_17. 10 dB Attenuation Circuit_x000D_18. 3dB Attenuation Circuit_x000D_19. Each Group of Functional Circuits 1Application: The filter attenuator can be matched with NanoVNA F measuring 6.5m/21.3ft ceramic notch filter. PCB filter sensor for VNA. 2Superior Performance: The RF demo kit can be matched with NanoVNA F measurement homemade low pass filter, the 3dB bandwidth is about 400MHz. 3Practical Equipment: RF Demo Kit RF test board demo calibration board for learning vector network analyzer, antenna analyzer test calibration learning. 4High Accuracy: The metal shielding is designed to reduce the external interference and improve the measurement accuracy. 5Safe and Reliable: Each module is well selected of high quality and great reliability. The board is small and light ,suitable for carrying with.1 x_x000D__x000D_FilterAttenuator 2 x Adapter CableDo not overload.