Ugreen Usb-a 2.0 to Db9 Rs-232 Male Adapter Cable 1.5m - Cr104

Interface type: usb 2.0 type-a male to db9 rs-232 male (9-pin).core chipset: built-in prolific pl2303 processor (ensures stable, bi-directional signal translation).cable length: 1.5 meters (~4.9 feet).data transfer speed: supports programmable baud rates ranging from 300 bps up to 1 mbps.signal lines pinout: supports full hardware handshake lines including txd, rxd, rts, cts, dtr, dsr, dcd, ri, and gnd.physical build: double-shielded construction to suppress emi/rfi noise with gold-plated connectors to minimize signal degradation.power source: entirely bus-powered via usb; requires no external power source