Semi-flexi cable , also known as hand-formed cable, is general used in electronic case. It can be bent by hand and maintain a certain shape (users can bend cable  according to the application), without affecting the electric performance. There are 4 typical series semi-flexi cables: 047 series,086 series,141series and 250 series. Their diameters are 1.2mm, 2.2mm, 3.6mm and 6.4mm, and the 250 series are often used as low-PIM test cable. This cable has excellent shielding perfomance, so there is no signal crosstalk in the dense wiring environment. Its using frequency is high, up to 110GHz for 047 series, but the price is relatively low, so it can be used as test cable sometimes.