Your laptop has USB. Your scientific instrument, POS reader, or industrial controller has a DB9 serial port. Neither is going to change. You need a bridge that actually works on the first try.
The ATEN UC-232A does exactly that. One RS-232 port, up to 921.6 Kbps data transfer, and it talks to Windows, Mac, and Linux without you hunting for obscure drivers. The 35cm cable is short enough to stay tidy on a bench but long enough to reach the device without a chain of adapters.
No COM port? No problem. Plug this in, connect your serial device, and get back to whatever you were actually trying to do.
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| brand | ATEN |
| model | UC-232A |
| type | USB to RS-232 Serial Converter |
| serial_ports | 1 |
| cable_length | 35cm |
| max_transfer_rate | 921.6 Kbps |
| operating_systems | Windows, Mac, Linux |
| compatible_devices | Cellular phones, PDAs, digital cameras, modems, ISDN terminal adapters |
