electronics manufacturing for security & surveillance

EI Microcircuits manufactures reliable, high-precision PCB assemblies for advanced security and surveillance systems. From access control to real-time video monitoring, our solutions are built for continuous uptime, compact integration, and mission-critical performance.

security electronics applications

Red shield with a checkmark inside.

network security hardware

  • Firewalls
  • Intrusion Detection/Prevention Systems (IDS/IPS)
  • Unified Threat Management (UTM) Appliances
  • Network Access Control (NAC) Devices
Red pin symbol.

encryption hardware

  • Hardware Security Modules (HSMs)
  • Encrypted USB Drives
  • Encryption Accelerators
Red padlock icon, indicating security or locked state.

authentication devices

  • Hardware Authentication Tokens
  • Biometric Scanners
  • Smart Card Readers
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endpoint security hardware

  • Endpoint Detection and Response (EDR) Appliances
  • Secure Desktops/Laptops
Red gear icon, representing settings or configuration.

data security hardware

  • Secure Data Erasure Tools
  • Storage Encryptors

comprehensive solutions for security and surveillance

We deliver fully integrated electronic solutions designed to support real-time performance, system reliability, and long-term protection across critical security and surveillance applications.

Engineering

Prototyping

Production / Manufacturing

Automated Test Development

Distribution

Two IT professionals in a server room, examining equipment. Woman points, man holds a laptop.
Woman in a suit uses a tablet in a tech-filled room, with a focused expression.

advanced capabilities for security technology

EI Microcircuits offers advanced manufacturing and testing capabilities that power secure, high-performance electronics for today’s evolving security technologies.

Surface Mount Technology (SMT)

Through-Hole

Inspection

Box Build

Overmolding

Potting

our certifications

ISO 13485:2016 certified badge, AMTIVO logo, text "Medical Devices".
Logo for AMTIVO. ISO 9001:2015 Certified for Quality Management. Features a stylized "A".
A square badge with "AMTIVO" logo and "AS9100 D Certified Aerospace" text.
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hear it from our customers

"A delightful company to work with. Could not have done it without your expertise."

"EI excels in responsiveness, support and flexibility. I very much appreciate EI’s ability to adapt on the fly."

"I appreciate the work EI does most of all because it makes my job easier."

"Overall, EI does a great job in dealing with everything we throw at them. They are responsive and understanding of us, even though it may not always be the most reasonable of requests. As a buyer, I feel lucky to have a supplier that works with us like they do."

"Working on a project that had a board that was simply not manufacturable the way it was set up, EI went above and beyond to help with engineering and still met a very short deadline."

Two women working at a table, soldering circuit boards. They wear glasses, and are in a factory setting.

Electronic Insights

Circuit board components, calculator, pen, compass, tweezers, on circuit diagrams.

How to Design a PCB Layout

March 30, 2026
Learn pcb layout fundamentals and pcb layout design best practices for reliable manufacturing, guided by EI Microcircuits engineering expertise.
A person wearing gloves examining a circuit board in a lab setting.

PCB Troubleshooting Guidebook

March 26, 2026
Diagnose PCB failures faster with this guide from EI Microcircuits covering inspection, AOI/X-ray, ICT, functional testing, and root-cause analysis.
Close-up view of a blue stencil for printed circuit board assembly, with rectangular and square openings and small apertures.

Everything to Know About Solder Masks in PCBs

March 23, 2026
Learn what is a solder mask, pcb solder mask functions, materials, and design impact, with manufacturing insight from EI Microcircuits.

let's talk

EI Microcircuits operates multiple climate-controlled facilities designed for scalability, technical excellence, and built-in disaster resilience—each fully equipped to support today’s most advanced electronic assemblies. Let us be the solution to your next project—Contact Us, Request a Quote, or Schedule a Tour today!

Contact Us Today

MANKATO, MN

1651 Pohl Road
Mankato, MN 56001
P: 507.345.5786

ST. PETER, MN

2011 Klein Street
St. Peter, MN 56082
P: 507.934.5722

MANKATO, MN

69 Power Drive
Mankato, MN 56001

P: 507.386.9160

*Each facility is configured to support your production needs. While maintaining continuity with each other in equipment, training and process control. All facilities share the same data center to allow for seamless manufacturing between locations.