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.

Mini USB to RS-232 Serial Adapter DB-9 Male Converter

USBG-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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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 and DB9 Ports for Stenotype machines

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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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 Adapter

USBG-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 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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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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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 Cable

Out of stock

4 Port

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

$89.95

Out of stock

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 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 Adapter

1 Port

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

$39.95

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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 Block

Serial

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

$39.99

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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

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

$179.95

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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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2 Port

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

$189.95

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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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1 Port

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

$29.95

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4 Port

USB 4-Port Serial Adapter – USB 2.0 to DB-9 Port RS232 with FTDI CHIP
Model #: USBG-4X232P1

$114.95

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32 Port

32 Port RS-232 USB-to-Serial Adapter
Model #: USB-32COM-RM

$599.95

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36 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

Out of stock