Made of good quality material, practical, has a long service life. And lightweight, easy to handle and use. It is a vector network analysis tool. It can be used with the nanovna-f to measure the 6.5M ceramic filter. It can be used with nanovna-f to measure low pass filter, 3dB bandwidth about 400MHz.RLC Series & Parallel Circuit 1RLC Series & Parallel Circuit 2Resistance 33 ohms, SWR 1.5 Resistance 75 ohms, SWR 1.5BSF Ceramic Filter, Center Frequency 6.5MHzBPF Ceramic Filter, Center Frequency 10.7MHzRC Series CircuitLC Series CableCondensatorInductanceLow Pass Filter, 3dB 400MHz BandwidthHigh Pass Filter, 3dB 500MHz BandwidthCalibration Circuit short circuitOpen circuit calibration circuit50 ohm load calibration circuitStraight10dB attenuation circuit3dB attenuation circuitEach functional circuitColor: GreenMaterial: PCBmeasurement: 100x100MMFuggle Content:1 x Test BoardOnly the above package content, other products are not included. Note: The light and different displays may cause the item's color a little different from the real thing. The measurement error is +/- 1-3cm.