Industrial Serial Devices

Connect multiple legacy serial devices simultaneously. Experience unmatched productivity & manageability in demanding industrial environments. Benefit from robust construction, exceptional data transfer rates, & reliable connectivity.

Connect multiple serial peripherals without experiencing data loss.

Reliable data transfers for your mission critical applications.

Plug & Play, no drivers needed when connecting our hub for seamless integration.

Plug & Play Adapters

Our low-profile serial adapters are perfect for small form factor computers, embedded systems, and on the go diagnostics. Some even fitting in the palm of your hand, our adapters are plug-and-play ready without downloading drivers.

Multi-Standard Serial

Ideal for connecting legacy equipment, our serial hubs and adapters feature options for RS-232, RS-422, & RS-485 standards. Coolgear’s Multi-Standard Serial Series offers the ability to swap between standards when needed.

COM Port Retention

Assigned COM ports for connected serial devices will retain their value even upon accidental disconnects, losses of power, and system restarts.


When your next project demands a custom solution, reach out and we’ll talk protocols, operating temps, mounting solutions, power requirements, production forecasting, logistics, and more.

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Featured Case Studies

Read about real world projects, installs, and use cases from other clients in a variety of different industries. Learn how Coolgear has helped numerous customers and companies from solution identification to integration.

1967 Camaro Race Car with MS3Pro EFI being tuned on MS3Pro with USB-2920 USB to Serial Adapter


Thirteen years ago, DIYAutoTune required a compatible USB to RS-232 serial adapter to allow customers to connect laptops or other devices to their Engine Control Systems.

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