![Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection : Electronics Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection : Electronics](https://m.media-amazon.com/images/I/71QDceng-dL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection : Electronics
![Amazon.com: UTEK UT-880 USB to RS-232 Interface Protocol Vonverter VER 2.0(1-Port USB to RS-232 Serial Converter with ESD Protection) : Electronics Amazon.com: UTEK UT-880 USB to RS-232 Interface Protocol Vonverter VER 2.0(1-Port USB to RS-232 Serial Converter with ESD Protection) : Electronics](https://m.media-amazon.com/images/I/51u7mZGrz2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: UTEK UT-880 USB to RS-232 Interface Protocol Vonverter VER 2.0(1-Port USB to RS-232 Serial Converter with ESD Protection) : Electronics
![Amazon.com: DriverGenius USB232A-B, USB to Serial RS232 DB9 Adapter with 3 x LEDs - Win11 & Mac (M/M, 3ft/1m) : Electronics Amazon.com: DriverGenius USB232A-B, USB to Serial RS232 DB9 Adapter with 3 x LEDs - Win11 & Mac (M/M, 3ft/1m) : Electronics](https://m.media-amazon.com/images/I/71B7Jc03QvL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DriverGenius USB232A-B, USB to Serial RS232 DB9 Adapter with 3 x LEDs - Win11 & Mac (M/M, 3ft/1m) : Electronics
![Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics](https://m.media-amazon.com/images/I/31mWmK4LT9L.jpg)
Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics
![Amazon.com: IOGEAR USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers - GUC232A : Cell Phones & Accessories Amazon.com: IOGEAR USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers - GUC232A : Cell Phones & Accessories](https://m.media-amazon.com/images/I/51gUIa4MIaL.jpg)
Amazon.com: IOGEAR USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers - GUC232A : Cell Phones & Accessories
![Amazon.com: Tera Grand - USB C to RS232 Serial DB9 Adapter Cable with Hex Nuts and FTDI chipset, Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux and Mac, 3 Ft : Electronics Amazon.com: Tera Grand - USB C to RS232 Serial DB9 Adapter Cable with Hex Nuts and FTDI chipset, Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux and Mac, 3 Ft : Electronics](https://m.media-amazon.com/images/I/61+QNOlWu3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Tera Grand - USB C to RS232 Serial DB9 Adapter Cable with Hex Nuts and FTDI chipset, Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux and Mac, 3 Ft : Electronics
![Amazon.com: DTech USB to Serial Adapter, RS422 RS485 R232 to USB Cable (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8 Amazon.com: DTech USB to Serial Adapter, RS422 RS485 R232 to USB Cable (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8](https://m.media-amazon.com/images/I/71BiMxseqPL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTech USB to Serial Adapter, RS422 RS485 R232 to USB Cable (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8
![Amazon.com: StarTech.com USB to Serial Adapter - Optical Isolation - USB Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter Cable (ICUSB2321FIS),Black : Electronics Amazon.com: StarTech.com USB to Serial Adapter - Optical Isolation - USB Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter Cable (ICUSB2321FIS),Black : Electronics](https://m.media-amazon.com/images/I/81LLDzMTzOL.jpg)
Amazon.com: StarTech.com USB to Serial Adapter - Optical Isolation - USB Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter Cable (ICUSB2321FIS),Black : Electronics
![Amazon.com: Avanexpress PLC Programming Cable Compatible with 1747-UIC USB to DH485 RS485 RS232 Interface Converter : Electronics Amazon.com: Avanexpress PLC Programming Cable Compatible with 1747-UIC USB to DH485 RS485 RS232 Interface Converter : Electronics](https://m.media-amazon.com/images/I/71klLy8jJuL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Avanexpress PLC Programming Cable Compatible with 1747-UIC USB to DH485 RS485 RS232 Interface Converter : Electronics
![Amazon.com: CableCreation USB to RS232 Cable (FTDI Chipset), 3 Feet RS-232 Male DB9 Serial Converter Cable for Windows 10, 8.1, 8,7, Vista, XP, 2000, Linux, Mac OS X 10.6 and Above,1M / Black : Electronics Amazon.com: CableCreation USB to RS232 Cable (FTDI Chipset), 3 Feet RS-232 Male DB9 Serial Converter Cable for Windows 10, 8.1, 8,7, Vista, XP, 2000, Linux, Mac OS X 10.6 and Above,1M / Black : Electronics](https://m.media-amazon.com/images/I/61ASVw1jt6L._AC_UF894,1000_QL80_.jpg)
Amazon.com: CableCreation USB to RS232 Cable (FTDI Chipset), 3 Feet RS-232 Male DB9 Serial Converter Cable for Windows 10, 8.1, 8,7, Vista, XP, 2000, Linux, Mac OS X 10.6 and Above,1M / Black : Electronics
![Amazon.com: StarTech.com USB to Serial Adapter - 2 Port - COM Port Retention - FTDI - USB to RS232 Adapter Cable - USB to Serial Converter (ICUSB2322F), Black : Electronics Amazon.com: StarTech.com USB to Serial Adapter - 2 Port - COM Port Retention - FTDI - USB to RS232 Adapter Cable - USB to Serial Converter (ICUSB2322F), Black : Electronics](https://m.media-amazon.com/images/I/81lPG-bbLVL.jpg)
Amazon.com: StarTech.com USB to Serial Adapter - 2 Port - COM Port Retention - FTDI - USB to RS232 Adapter Cable - USB to Serial Converter (ICUSB2322F), Black : Electronics
![Amazon.com: USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics Amazon.com: USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics](https://m.media-amazon.com/images/I/614O44gHY0L._AC_UF894,1000_QL80_.jpg)
Amazon.com: USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics
![Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics](https://m.media-amazon.com/images/I/71W3B0SWvSL.jpg)
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
![Amazon.com: FTDI USB Serial to 3.5mm Stereo Jack Cable USB to RS232 Cable for Center Thermometer 300 Series : Electronics Amazon.com: FTDI USB Serial to 3.5mm Stereo Jack Cable USB to RS232 Cable for Center Thermometer 300 Series : Electronics](https://m.media-amazon.com/images/I/61YFSDtYRQL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: FTDI USB Serial to 3.5mm Stereo Jack Cable USB to RS232 Cable for Center Thermometer 300 Series : Electronics
![Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics](https://m.media-amazon.com/images/I/71Kp2QUA0qL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics
![Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics](https://m.media-amazon.com/images/S/aplus-media/vc/5c863f00-8afe-4bd0-ae27-d7c55a5c99ef.__CR213,213,2133,2133_PT0_SX300_V1___.jpg)
Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics
![Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Grocery & Gourmet Food Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Grocery & Gourmet Food](https://m.media-amazon.com/images/I/81+qtiUjkwL._AC_UF894,1000_QL80_.jpg)
Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Grocery & Gourmet Food
![Amazon.com: GearMo® Windows 10, 7 64-bit Compatible USB to Serial Adapter RS232 DB9 Short 8 Inch Cable : Electronics Amazon.com: GearMo® Windows 10, 7 64-bit Compatible USB to Serial Adapter RS232 DB9 Short 8 Inch Cable : Electronics](https://m.media-amazon.com/images/I/61YFznxhAAL._AC_UF894,1000_QL80_.jpg)
Amazon.com: GearMo® Windows 10, 7 64-bit Compatible USB to Serial Adapter RS232 DB9 Short 8 Inch Cable : Electronics
![Amazon.com: Legrand - C2G USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics Amazon.com: Legrand - C2G USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics](https://m.media-amazon.com/images/I/71shAbpaO1L.jpg)
Amazon.com: Legrand - C2G USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics
![Amazon.com: EZSync USB-to-RS232 Serial Interface Programming Control Cable for Meade Telescope, Connect to Hand Control, FTDI chip, 4P4C, RJ9/RJ10/RJ22, 6 feet, EZSync725 : Electronics Amazon.com: EZSync USB-to-RS232 Serial Interface Programming Control Cable for Meade Telescope, Connect to Hand Control, FTDI chip, 4P4C, RJ9/RJ10/RJ22, 6 feet, EZSync725 : Electronics](https://m.media-amazon.com/images/I/71MwGMKF8cS._AC_UF1000,1000_QL80_.jpg)