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USB to Serial DB9 RS232 Adapters for home, business, or industrial uses in many formats. We offer Single and Multiple port USB to Serial Adapters to accommodate all Serial Communication applications.

USB RS-232 Single Port Serial AdapterUSBG-232 RS232 Serial Adapter Serial Cable Attached

1 Port

USB RS-232 Single Port Serial Adapter works with Windows 10
Model #: USBG-232

Rated 4.60 out of 5
$24.95
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Mini USB to RS-232 Serial Adapter DB-9 Male ConverterUSBG-232MINI RS232 Serial Cable Attached

1 Port

Mini USB to RS-232 Serial Adapter DB-9 Male Converter
Model #: USBG-232MINI

Rated 4.68 out of 5
$22.95
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6 foot USB to RS-232 Serial AdapterUSBG-232-MM RS232 Serial Adapter Cable

1 Port

6 foot USB to RS-232 Serial Adapter DB-9 Male, FTDI Chipset
Model #: USBG-232MM

Rated 4.47 out of 5
$24.95
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USBG-RS232-F12 USB to RS232-ConverterUSBG-RS232-F12-USB and DB9 Ports for Stenotype machines
Out of stock

1 Port

12 Inch USB DB-9 Serial High Speed Adapter – FTDI Chipset
Model #: CG-RS232-F12

Rated 5.00 out of 5
$19.95
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USB RS-232 Single Port Serial AdapterUSBG-232 RS232 Serial Adapter

1 Port

USB to Serial Adapter Windows 10, Fully Supported!
Model #: USBG-232

Rated 5.00 out of 5
$24.95
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Dual Port RS-232 USB-to-Serial Plugin AdapterUSBG-232FT-1 Dual Port Serial Adapter Size Comparison

2 Port

Dual Port RS-232 USB-to-Serial Plugin Adapter
Model #: USBG-232FT-1

Rated 5.00 out of 5
$44.98
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USB to TTL CMOS Adapter Cable IsolatedUSB to RS232 TTL / CMOS Isolated Adapter

Serial

USB to RS232 Isolated TTL | CMOS Adapter Cable with TB
Model #: USB-232TTLMOS-IS

$49.99
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USB-2COM-M USB to Dual RS232 Adapter

2 Port

2 Port USB to Serial RS-232 DB-9 Adapter Industrial Metal Housing
Model #: USB-2COM-M

$89.98
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BeagleBone Expansion I/O Cape with RS232 Serial

2 Port

BeagleBone Black USB Expansion RS232 Module Cape
Model #: USB-2COM-BB

$39.99
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USB2-4COM-M 4-Port Serial AdapterUSB 2.0 4-Port USB Serial DB-9 RS-232 Adapter Package Contents

4 Port

USB 2.0 4-Port USB Serial DB-9 RS-232 Adapter – FTDI Chipset
Model #: USB2-4COM-M

$99.95
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CG-4X232FTDI 4-Port USB to RS232 Adapter FTDI Cable4-port FTDI USB to RS232 Adapter Labeled Serial Connectors

4 Port

4-port USB to RS232 Adapter FTDI Cable
Model #: CG-4X232FTDI

$89.95
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USB to RS232 Adapter with FTDIXC-232-C 2 Port RS232 Serial-Adapte Face

2 Port

Dual Port USB to Serial RS-232 DB-9 Adapter Cable FTDI Chip
Model #: XC-232-C

$59.95
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USBG-RS232-P12 USB to RS232 ConverterUSBG-RS232-P12 USB to Serial Adapter 12 inch

1 Port

12 Inch USB to DB-9 Serial High Speed Adapter with Prolific Chipset
Model #: CG-RS232-P12

$16.99
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USB 2.0 to Serial High-Speed RS-232 Industrial AdapterUSB-COM-M Bottom Rubber Feet

1 Port

USB 2.0 to Serial High-Speed RS-232 Industrial Adapter
Model #: USB-COM-M

$39.95
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USB to RS232 - 4 Port FTDI Serial - USBG-4FTDI-B

4 Port

4 Port USB to Serial Adapter RS-232 with FTDI Chip
Model #: USBG-4FTDI-B

$79.95
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USB to RS232 TTL CMOS Adapter with Terminal BlockUSB to TTL CMOS RS232 Adapter

Serial

USB to RS232 TTL | CMOS Adapter Cable with Terminal Block
Model #: USB-232TTLMOS

$39.99
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USB to RS232 Adapter – Two DB9 Male PortsDual Port USB to Serial RS-232 Adapter with Prolific Chipset
Out of stock

2 Port

Dual Port USB to Serial RS-232 Adapter with Prolific Chipset
Model #: CG-2X232

$49.95
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USB 2.0 16-Port Industrial RS-232 Serial Adapter
Out of stock

16 Port

16-Port Industrial RS232 to USB 2.0 Hi-Speed Serial Adapter
Model #: CG-16COM-MINI

$299.00
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8 Port Serial Adapter Box with LED Indicators

8 Port

8-Port RS-232 USB to Serial Adapter Data Control Box
Model #: USB-8COM

$179.95
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USBG-BAY4 - 4 port DB-9 RS232 Adapter to USB adapter image

4 Port

USB BAY-4 Port Serial DB-9 RS-232 Adapter with FTDI Chipset
Model #: USBG-BAY4

Rated 4.83 out of 5
$99.99
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USB-2COMi-SI-M 2 Port Optical Isolated RS422 / 485 Serial AdapterUSB-2COMi-SI-M DIP switch control

2 Port

2 Port USB to RS-422 /485 Optical Isolated Adapter
Model #: USBG-2COMi-SI-M

$189.95
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USB ro RS232 Industrial Serial AdapterUSB to RS232 Compact Industrial Adapter

1 Port

USB to Industrial 5Volt RS232 Serial Adapter FTDI
Model #: USBG-COM-X

$29.95
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USB to RS232 Adapter – High-Speed FTDI USBG-8COM-M

8 Port

Industrial 8-Port DB-9 RS232 to USB Adapter High-Speed FTDI Chip
Model #: USBG-8COM-M

Rated 5.00 out of 5
$189.95
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USB to RS232 Serial Converter DB936 Inch USB to DB-9 Serial High Speed Adapter with FTDI Chipset
Out of stock

1 Port

36 Inch USB to DB-9 Serial High Speed Adapter with FTDI Chipset
Model #: CG-RS232-F36

$24.99
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