This test board contains a plug-in test circuit suitable for VNWA Testboard, and a set of 0805 and 1206 patch test circuits are added. Suitable Model: This test board kit is used for NanoVNA NanoVNA-H NanoVNA-H4 NanoVNA-F series vector network analyzer user-friendly measurement plug-ins and devices. DIY kit,stable performance, high accuracy, high sensitivity.Made of fine quality material, has a long service life. Please Note: Due to the circuit cannot fully consider all kinds of test situations, some parts of the test may need to be cut over. Please ensure that you have sufficient hands-on capabilities. Material:plastic colour:blue Package Contents: 1 * Testboard Main Board 6 * SMA Female Head 4 * 6mm Copper Stud 4 * M2.5 Screw 2 * 40pin Round Row 2 * 0805 49R9 Calibration Resistance Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.