USB to RS-232 Serial Adapters


Discover Coolgear’s top-rated USB to RS-232 adapters, expertly engineered to ensure flawless serial communication for industrial and commercial applications. Our high-performance adapters bridge the gap between USB and RS-232 serial devices, offering an ideal solution for modernizing legacy systems. With features like easy plug-and-play installation, durable construction, and wide compatibility with Windows, Mac, and Linux operating systems, Coolgear’s USB to RS-232 adapters are perfect for enhancing data transfer reliability. Trust Coolgear for the best USB to RS-232 adapters, ensuring efficient and dependable connectivity in your automation and communication systems.


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4-Port RS-232 USB to Serial Adapter – Octopus Cable and DIN Rail
USB to RS232 Industrial Serial Adapter Compact Industrial RS232 Serial Adapter…
$109.95
Max: 5
Min: 1
Step: 1
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4 port USB 2.0 to RS 232 Auto Switch FTDI Chipset
You can now easily attach 4 computers to 1 DB9…
$76.95
Max: 10
Min: 1
Step: 1
Add to cart
USBG-RS232-F72 USB to RS232 Serial Converter-DB9
USB to RS232 Adapter - FTDI Chipset For computer users that…
$32.95
Max: 289
Min: 1
Step: 1
Add to cart
4 Port USB 2.0 to RS 232 Manual Switch FTDI Chipset
You can now easily attach 4 computers to 1 DB9…
$49.95
Max: 10
Min: 1
Step: 1
Add to cart
72 Inch USB DB-9 Serial Hi-Speed Adapter – Prolific Chipset
USB to Serial Adapter - High Speed Prolific Chipset USB DB-9…
$32.95
Max: 500
Min: 1
Step: 1
Add to cart
2 Port USB 2.0 to RS 232 Auto Switch FTDI Chipset
You can now easily attach 2 computers to 1 DB9…
$60.95
Max: 8
Min: 1
Step: 1
Add to cart
4-Port RS-232 USB to Serial Adapter Data Control Box db-9 male serial
RS-232 | 128 Bytes Receive | 384 Bytes Transmit |…
$109.95
Max: 10
Min: 1
Step: 1
Add to cart
CG-16COM-MINI 16Port USB to Serial Adapter
RS-232 | 512 Bytes Receive | 512 Bytes Transmit Superior…
$399.95
Max: 1
Min: 1
Step: 1
Add to cart
Rugged Industrial 8-Port Terminal Block RS232/422/485 to USB Adapter
USB to Serial Adapter with Terminal Block Providing scalability this industrial…
$329.99
Max: 1
Min: 1
Step: 1
Add to cart
USB ro RS232 Industrial Serial Adapter
USB to Serial Adapter for Bar code Scanners The USBG-COM-X is…
$32.95
Max:
Min: 1
Step: 1
Add to cart
Dual-Port RS-232 to Ethernet Data Gateway TCP/IP
RS232 to Ethernet - Two Port Adapter The MSD-SRF2X Dual port…
$186.95
Max: 24
Min: 1
Step: 1
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RS232/422/485 to USB 2.0 Serial Adapter Combo
Serial to USB Multi-Protocol Adapter This 2-Port serial adapter supports the…
$98.95
Max:
Min: 1
Step: 1
Add to cart
USB to Serial RS-232 DB9 Adapter FTDI Chipset w/ 15kV ESD Protection, Windows 11 Support
RS-232 | 512 Bytes Receive | 512 Bytes Transmit |…
$27.95
Max:
Min: 1
Step: 1
Add to cart
USB to RS232 TTL CMOS Adapter with Terminal Block
USB to RS232 TTL Cable Adapter The new USB to RS232…
$43.95
Max:
Min: 1
Step: 1
Add to cart
USB to RS-232 Isolated TTL | CMOS 5ft. Adapter Cable w/ TB
Expand Your Serial Capabilities: Connect your legacy serial device through…
$54.95
Max:
Min: 1
Step: 1
Add to cart
USB2-4comi-TB serial adapter
Terminal block serial adapter for RS-232/422/485 Our series of Industrial USB…
$189.99
Max:
Min: 1
Step: 1
Add to cart
USB2-4comi-SI-TB 4-port serial adapter
RS-232 | RS-422 | RS-485 | 2,000 Bytes Receive |…
$249.99
Max:
Min: 1
Step: 1
Add to cart
USB2 to 8-Port RS232-422-485 Serial TB Adapter Isolation | Surge
Optical Isolation and Surge Protection for RS-232/422/485 Ports The USB2-8COMi-SI-TB is…
$399.99
Max:
Min: 1
Step: 1
Add to cart
2 Port USB 2.0 to RS 232 Manual Switch FTDI Chipset
You can now easily attach 2 computers to 1 DB9…
$38.95
Max: 10
Min: 1
Step: 1
Add to cart
USB C to Serial FTDI Adapter Black for Windows 10 Fully Supported!
USB C to Serial RS232 for Windows COM Port Synchronize your…
$25.95
Max:
Min: 1
Step: 1
Add to cart
USB 4-Port Serial Adapter
USB to RS232 Adapter - FTDI FT232RL Chipset The 4X232P1 USB…
$126.95
Max: 12
Min: 1
Step: 1
Add to cart
4 Port RS-232 USB to Serial Adapter w/ Optical Isolation & Surge Protection
RS-232 | 512 Bytes Receive | 512 Bytes Transmit Superior…
$269.95
Max: 17
Min: 1
Step: 1
Add to cart
USB-COM-SI-M USB to RS232 Adapter
RS-232 | 512 Bytes Receive | 512 Bytes Transmit Superior…
$109.95
Max:
Min: 1
Step: 1
Add to cart
USB2-4COM-M 4-Port Serial Adapter
RS-232 | 384 Bytes Receive | 128 Bytes Transmit Superior…
$109.95
Max:
Min: 1
Step: 1
Add to cart
USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection
RS-232 | RS-422 | RS-485 | 512 Bytes Receive |…
$82.95
Max: 69
Min: 1
Step: 1
Add to cart
Mini USB RS-232 main image
RS-232 | 128 Bytes Receive | 256 Bytes Transmit |…
$25.95
Max:
Min: 1
Step: 1
Add to cart
RS-232 / RS-422 / RS-485 to USB 2.0 Adapter w/ Isolation & Surge Protection
RS-232 | RS-422 | RS-485 Safe Connections: Designed for use…
$134.95
Max: 2
Min: 1
Step: 1
Add to cart
USBG-8COMi-RM 8 Port Serial Adapter
FTDI USB to Serial Adapter with Switching Power Supply Industrial Grade…
$409.95
Max:
Min: 1
Step: 1
Add to cart
16 Port USB to RS-232 422/485 Metal Serial Adapter DIN-Rail Mount
USB to RS485 DIN Rail Mount The USB-16COMi-RM is an Isolated…
$699.95
Max:
Min: 1
Step: 1
Add to cart
32 Port RS-232 USB-to-Serial Adapter
Serial USB Adapter - Full RS232 Modem Control The USB-32COM-RM USB…
$659.95
Max:
Min: 1
Step: 1
Add to cart
USB-16COM-RM 16 Port USB to Serial RS232 Adapter
USB to Serial Adapter - DIN Rail Mount The USB-16COM-RM is…
$461.95
Max:
Min: 1
Step: 1
Add to cart
Dual Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ FTDI Chip RS-232 DB-9 FTDI Adapter
RS-232 | 4096 Bytes (4 KB) Receive | 4096 Bytes…
$65.95
Max:
Min: 1
Step: 1
Add to cart
Industrial Serial Adapter User Selectable RS232/422/485 FTDI Chip
RS-232 | 384 Bytes Receive | 128 Bytes Transmit |…
$65.95
Max:
Min: 1
Step: 1
Add to cart
2-Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV Surge Protection & 3 ft. USB Extension Cable
RS-232 | 128 Bytes Receive | 384 Bytes Transmit |…
$49.95
Max:
Min: 1
Step: 1
Add to cart
2-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ 15kV ESD Surge Protection
RS-232 | 128 Bytes Receive | 384 Bytes Transmit Superior…
$98.95
Max:
Min: 1
Step: 1
Add to cart
USB 2.0 to Serial High-Speed RS-232 Industrial Adapter
RS-232 | 512 Bytes Receive | 512 Bytes Transmit |…
$43.95
Max: 10
Min: 1
Step: 1
Add to cart
4-Port USB to RS232 Adapter FTDI Cable
RS-232 | FTDI Expand Your Serial Capabilities: Connect your legacy…
$98.95
Max: 4
Min: 1
Step: 1
Add to cart
1-Port USB to Serial Adapter (RS-232/422/485) , DIN-rail
Adds one RS-232, or RS-422, or RS-485 serial port via…
$98.95
Max: 4
Min: 1
Step: 1
Add to cart
6ft. USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & FTDI Chipset RS232 to USB Converter
RS-232 | 512 Bytes Receive | 512 Bytes Transmit |…
$27.95
Max:
Min: 1
Step: 1
Add to cart
2-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ 25kV ESD & 2kV Optical Isolation Protection
RS-232 | 256 Bytes Receive | 128 Bytes Transmit Superior…
$149.89
Max:
Min: 1
Step: 1
Add to cart
USB C to RS-232 black FTDI serial adapter
USB C to RS232 Adapter - 6ft. Cable The USBGear 6ft…
$27.95
Max:
Min: 1
Step: 1
Add to cart
USB2-8COMi-TB serial adapter
15KV ESD and 600W Surge Protection for RS-232/422/485 Ports Our series…
$299.95
Max:
Min: 1
Step: 1
Add to cart
USB to Serial RJ45 Cable for Console
USB Console Cable for Network Consoles A combination of two cables…
$27.95
Max:
Min: 1
Step: 1
Add to cart
16 port compact RS232 serial adapter
Rugged, compact 16 for USB to serial Get a lot of…
$417.95
Max:
Min: 1
Step: 1
Add to cart
USB to RS232 - 4 Port FTDI Serial - USBG-4FTDI-B
FTDI USB RS232 DB9 Port Adapter The USBG-4FTDI-B 4-Port USB to…
$87.95
Max:
Min: 1
Step: 1
Add to cart
36 inch USB to DB-9 serial adapter
USB to RS232 - Prolific Chipset The 36 inch USB to…
$27.95
Max:
Min: 1
Step: 1
Add to cart
USB to RS232 Serial Converter DB9
RS-232 | FTDI Expand Your Serial Capabilities: Connect your legacy 9-pin…
$27.95
Max:
Min: 1
Step: 1
Add to cart
Industrial 8-Port DB-9 RS232 to USB Adapter
USB to RS232 Adapter - 2500Vrms Isolation Industrial 8-Port DB-9 RS232…
$399.95
Max:
Min: 1
Step: 1
Add to cart
2-Port USB to Serial Adapter (RS-232/422/485) , DIN-rail
Adds two RS-232, RS-422, or RS-485 serial ports via USB…
$164.95
Max:
Min: 1
Step: 1
Add to cart
8-Port USB to Serial Adapter Box with Prolific Chipset
USB to RS232 Adapter The USBG-8X-RS232 USB to Serial Adapter Box…
$181.95
Max:
Min: 1
Step: 1
Add to cart
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