The test board kit is used for the convenient measurement plug-ins and SMT devices of or other vector network analyzers. This test board contains a plug-in test circuit compatible with VNWA Testboard, and adds a set of 0805 and 1206 patch test circuits. The SMT circuit cannot fully consider various test conditions. Some devices may need to be cut over. Please make sure you have enough Hands-on ability. This circuit board has not been soldered before shipment. Please bring your own soldering tools. Please build a test circuit according to your own test needs. Colour:As shown Material:ABS+metal Package Contents: 1 x Testboard motherboard 6 x SMA female 4 x 6mm copper stud 4 x M2.5 screw 2 x 40pin round row seat 2 x 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.