9pin RS232 data cable with 11 length options from 0.5 m to 30 m for flexible connectivity Goldplated pin contacts provide oxidation resistance and reliable connections; metal shell offers robust protection for longterm use Male head is a pin; female head is a socket, providing a simple plugandplay connection for easy setup 28 AWG conductors with doublelayer shielding deliver stable, speed RS232 transmission with reduced interference Compatible with standard RS232 devices and interfaces, suitable for computers, serial peripherals, industrial controls, and lab equipment Practical use scenarios Office/IT: connect a computer to serial peripherals such as barcode scanners or modems for data transfer Industrial: link a PC to PLCs, CNC controllers, or other factory equipment for programming, monitoring, and diagnostics Field service: extend console connections for network gear, measurement instruments, or medical devices in the field Key attributes at a glance: function (RS232 data transmission), compatibility (RS232 standard devices), size (11 length options from 0.5 m to 30 m), material (goldplated pins, metal shell, 28 AWG conductors), and performance (doublelayer shielding for stable transmission)