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 SMT devices. DIY kit,stable performance, high accuracy, high sensitivity.Made of fine quality material, has a long service life. Please Note: Due to the SMT 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: 2 * Testboard Main Board 12 * SMA Female Head 8 * 6mm Copper Stud 8 * M2.5 Screw 4 * 40pin Round Row Seat 4 * 0805 49R9 Calibration Resistance