1. The plug is easy to plug and unplug, durable
2. Multi-layer shielding, more stable transmission, good aluminum foil shielding performance, anti-interference
3. Direct DB9 industrial-grade double-shielded serial port cable, suitable for connecting computers with serial port interfaces and serial port devices, supporting RS232 serial port protocol
4. Nickel-plated plug design, anti-corrosion, anti-oxidation, good transmission performance
5. Environmentally friendly PVC outer skin, soft wire body, convenient wiring, storage, durable
6. No need to install drivers, plug and play