Demo Kit NanoVNA Tester Board Filter HF VHF UHF Antenna Vector Network Analyzer KitFriendly Tips:1. Please kindly allow 2-3% difference according to manual measurement. 2. Please check the measurement chart carefully before you buy the item (inch = 2.54 cm). 3. Please note that slight color difference should be acceptable due to the light and screen. Thanks.Item Description: - PCB board in size of 10 x 10cm/3.94 x 3.94in - Vector network analyzer learner tool - RLC series and parallel circuit 1 - RLC series and parallel circuit 2 - 33 ohm resistance, SWR=1.5 - 75 ohm resistance, SWR=1.5 - BSF ceramic notch filter, center frequency 6.5MHz - BPF ceramic filter, centre frequency 10.7MHz - RC series circuit - LC series circuit - Capacitor - Inductance - Homemade low-pass filter, 3dB bandwidth 400MHz - Homemade high-pass filter, 3dB bandwidth 500MHz - Short-circuit calibration circuit - Open-circuit calibration circuit - 50 ohm load calibration circuit - Straight-through - 10dB attenuation circuit - 3dB attenuation circuit - Each set of functional circuitsApplications: - Can be used with NanoVNA-F to measure 6.5M ceramic notch filter - Can be used wtih NanoVNA-F to measure homemade low-pass-filter, 3dB bandwidth about 400MHzPackage Contents: 1 x PCB RF Tester Board 2 x 20cm Adapter CablesPromise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.