Sealevel Serial, I/O, and Embedded Computing Solutions

We supply Sealevel Systems' high-reliability serial, digital I/O, and embedded computing products built for long-term operation in harsh and highly regulated environments.

Their range includes PCIe and PCI serial cards, Ethernet-to-serial devices, industrial I/O modules, and fanless embedded computers. Built for use in military, medical, and industrial environments, Sealevel products are known for rock-solid performance, extended lifecycle support, and compliance with strict operational standards.

Explore our Sealevel product range or get in touch for specialist advice.

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Sealevel Products

Showing 16 of 16 Sealevel Products items

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4801
Sealevel 4801
8 Port RS-232 Ethernet Serial Device Server
4802
Sealevel 4802
8 Port RS-422/485 Ethernet Serial Device Server
4803
Sealevel 4803
8 Port RS-232/422/485 Ethernet Serial Device Server
4403
Sealevel 4403
4 Port RS-232/422/485 Ethernet Serial Device Server
4104
Sealevel 4104
1 Port RS-232/422/485 Ethernet Serial Device Server
4161
Sealevel 4161
16 Port RS-232 Ethernet Serial Device Server
4162
Sealevel 4162
16 Port RS-422/485 Ethernet Serial Device Server
4163
Sealevel 4163
16 Port RS-232/422/485 Ethernet Serial Device Server
4201
Sealevel 4201
2 Port RS-232 Ethernet Serial Device Server
4202
Sealevel 4202
2 Port RS-422/485 Ethernet Serial Device Server,
4203
Sealevel 4203
2 Port RS-232/422/485 Ethernet Serial Device Server
4101
Sealevel 4101
1 Port RS-232 Ethernet Serial Device Server
4102
Sealevel 4102
1 Port RS-422/485 Ethernet Serial Device Server
4103
Sealevel 4103
1 Port Isolated RS-232/422/485 Ethernet Serial Device Server
4401
Sealevel 4401
4 Port RS-232 Ethernet Serial Device Server
4402
Sealevel 4402
4 Port RS-422/485 Ethernet Serial Device Server
What Is Sealevel’s Specialty?
Sealevel focus on serial and I/O expansion solutions, including USB-to-serial adaptors, digital I/O modules and embedded control systems. Their designs are trusted where reliable connectivity is required across industrial and military sectors.

Why Choose Sealevel Hardware?
With extensive experience in serial communications, Sealevel products provide the robust connectivity needed to extend the life of legacy equipment. Many models also meet MIL-STD specifications for defence projects.

Why Source in the UK Through Impulse?
We deliver Sealevel hardware to our UK customers with technical guidance and lifecycle support, ensuring integration is seamless and supply is dependable across long-term projects.