DB9 RS232 Serial CableRight Angle, DB9 Female to Male RS232 Extension Serial Cable, Down Angle ^^ Plug and play, product supports RS232 serial port protocol, no need to install driver, simple to use, using double-layer shielding, effectively shielding external signal interference, ensuring stable signal transmission ^^ Durable to plug and unplug, not easy to rust, interface adopts gold-plated technology, antioxidant and corrosion-resistant, not easy to rust during use ^^ The soft thread body bends freely and uses PVC outer covering, which is moderately soft and not easy to break when bent at will ^^ High compatibility, supporting laptops/desktops, and connecting devices with the same interface as industrial control computers, industrial instruments, scanners, temperature control devices, etc; Adopting direct wiring method, one-way data transmission, used as an extension cable (if other cross connection methods are needed to achieve mutual signal transmission between two devices, please contact us for customization)