Not need driver stable, wear-resistant, friendly PVC flexible, resistant to bending and stretching, not easy to break 235 / 38 to DB9pin RS232 male / female serials debugging cable, switches routers control cable Outstanding durability: the cable sleeve is from PVC abrasion-resistant, folding and bending-resistant, ensuring its long-time use Multiple-layer shielding for fast and efficient transmission Provides stable and fast data communication Available in 8 lengths to meet different needs, it is perfect for computers and industrial equipment for data transmission control