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What are the different types of wearable military connectors?

June 10, 2025 By Aharon Etengoff

Many soldier-worn systems integrate advanced sensors and communications technologies into uniforms, helmets, and tactical vests. These technologies rely on rugged, lightweight connectors to link disparate systems, deliver power safely, and ensure reliable data transmission on the battlefield.

This article explores the evolution of soldier-worn military technologies and the role of wearable connectors in enabling seamless coordination, real-time communications, and system interoperability. It also covers key design requirements for military-grade connectors, such as miniaturization, durability, and electromagnetic interference (EMI) shielding. Lastly, the article highlights some of the most widely used wearable connectors supporting today’s warfighters on the battlefield.

The evolution of soldier-worn technologies

As shown in Figure 1, wearable military equipment has advanced significantly since the heavy two-way radios of World War II, the night vision goggles used during the Vietnam War, and the helmet-mounted displays of the 1990s.

Figure 1. A U.S. Army soldier operating the SCR-300 backpack radio during World War II; one of the first portable FM transceivers used for frontline communications. (Image: Warfare History Network)

Driven by Moore’s Law, today’s lightweight military wearables incorporate smaller, more efficient electronic components and batteries to achieve compact form factors. These devices operate across various wireless protocols and communication systems, including RF, Bluetooth, Wi-Fi, SATCOM, and mesh networks. Enabling real-time, encrypted communications, military wearables bolster situational awareness and facilitate seamless coordination between soldiers, sensors, and command systems.

These advanced communication capabilities support an expanding array of soldier-worn technologies. As shown in Figure 2, heads-up displays (HUDs) integrated into helmets transmit and project mission-critical data such as navigation routes, target identification, and threat alerts.

Figure 2. A U.S. Army soldier wearing the Integrated Visual Augmentation System (IVAS), a mixed-reality platform that supports tactical training, planning, and battlefield awareness. (Image: U.S. Army)

Biometric systems also play a key role in mission performance by enabling real-time physiological monitoring. Worn on the wrist or integrated into body armor and uniform fabrics, they deliver continuous health data without compromising mobility or comfort. Embedded sensors track vital signs such as heart rate, body temperature, hydration, and oxygen saturation, allowing commanders to assess stress levels and adjust tactics accordingly.

Designing for performance, interoperability, and resilience

Many wearable military systems are developed, supported, and tested through the U.S. Nett Warrior and Integrated Visual Augmentation System (IVAS) programs.

As shown in Figure 3, lightweight, ruggedized, and miniaturized connectors link the growing array of soldier-worn technologies, delivering high-speed, high-reliability performance while withstanding harsh environmental conditions.

Figure 3. A U.S. soldier equipped with multiple radios and battlefield devices interconnected by rugged, lightweight connectors. (Image: ConnectorSupplier)

To meet stringent operational requirements, military wearable connectors are engineered for durability and often built to U.S. and NATO specifications. Architectures follow core interoperability principles, modularity, and high-bandwidth performance, shaped by standards such as the Generic Open Soldier Systems Reference Architecture (GOSSRA), NATO STANAG 4695, USB 3.0, and USB-C. These frameworks define compatibility and performance criteria, ensuring connector technologies from different manufacturers and military branches function seamlessly.

As soldiers deploy with more networked devices, connector design must balance increasing data and power demands with strict size and weight constraints. Wearable connectors must also support high throughput without introducing latency, bottlenecks, or integration issues, especially in high-risk combat environments. In addition, they must ensure signal integrity and resist EMI, which can degrade performance in dense, electronics-heavy operating environments.

Many wearable platforms still rely on legacy systems that function alongside newer technologies. Designers are transitioning from USB 2.0 to ruggedized USB 3.0 and USB-C to bridge this gap. These connectors enable higher data rates while maintaining backward physical compatibility. This incremental approach supports phased upgrade roadmaps without disrupting field operations or compromising interoperability.

A closer look at military-grade connectors

As shown in Figure 4, manufacturers continually develop and adapt a wide range of connector types to meet the evolving demands of soldier-worn technologies.

Figure 4. Amphenol PCD’s Gladiator and MARS Gladiator magnetic connectors enable 180-degree blind mating through MOLLE loops, with optional Molliflex e-textile cables for added durability and flexibility in military wearables. (Image: ConnectorSupplier)

These critical components prioritize lightweight construction, high performance, environmental resistance, and compact form factors. Popular connector types support reliable power delivery, high-speed data transmission, and system interoperability in battlefield conditions. These include:

  • Ruggedized USB-C and USB 3 deliver high-speed data and power while meeting military-grade durability requirements. Backward compatibility and seamless integration support widespread use in many compact wearable systems.
  • Micro-miniature MIL-DTL-38999 Circular connectors are commonly used in radios, goggles, headsets, vest-mounted computers, and battery packs. These connectors offer high reliability, rugged construction, and EMI shielding in a lightweight, compact form factor.
  • Miniature Circular — models such as the ITT Cannon MKJ Series are approximately half the size and weight of MIL-DTL-38999 types. They support compact, high-speed connectivity with bayonet, breakaway, or clip-lock coupling options for tactical communications and navigation gear.
  • Fischer LP360 is part of the Fischer Freedom series. These modular connectors feature non-keyed 360° mating, quick-release locking, and membrane-sealed contacts. They are designed for smart vests, robotic systems, and defense wearables.
  • MIL-DTL-26482 is compact and bayonet-style. These connectors support quick connect/disconnect and robust environmental sealing. They are ideal for wearable systems requiring both durability and rapid assembly.
  • Amphenol NEXUS Ranger supports tactical communications on the battlefield. These miniature, ruggedized connectors feature push-pull or breakaway locking for secure, lightweight connections.
  • Glenair Mighty Mouse Series (micro-miniature circular connectors) delivers MIL-DTL-38999-level performance in a smaller, lighter package. They are widely used in soldier systems, unmanned platforms, robotics, and aerospace applications.
  • Amphenol 2M Series Micro-Miniature supports compact wearable applications in armored vehicles, UAVs, and field communications. These vibration-resistant, EMI-shielded connectors are qualified to MIL-Spec standards.
  • Magnetic Wearable facilitates quick, blind-mating, and secure connections through MOLLE-compatible mounts. These low-profile, waterproof connectors reduce snagging and improve usability under stress. Features such as multi-angle release and E-textile cable integration add flexibility and durability.
  • Fiber Optic is designed for rugged performance in mobile and harsh operational settings. These connectors enable high-bandwidth, noise-immune data transmission in military wearables supporting AI, AR, and other data-intensive applications.

Conclusion

Soldier-worn technologies depend on rugged, lightweight connectors to ensure reliable power delivery, data transmission, and system interoperability on the battlefield. These components are engineered to withstand vibration, extreme temperatures, EMI, and frequent mating cycles. As wearable systems continue to advance, military-grade connectors will play an increasingly critical role in supporting high-speed communications, biometric monitoring, situational awareness, and mission-critical performance in the field.

References

Soldier Wearables Provide Safety and Connectivity, ConnectorSupplier
Soldier Wearable Technologies Advance Military Operations, ConnectorSupplier
Magnetic Wearable Connectors for Harsh Environments, ConnectorSupplier
Rugged Modular Connectors for Military and Security Wearable Electronics Uses Introduced by Fischer, MilitaryAerospaceElectronics
Military Might: Understanding MIL-Spec Connectors for Rugged Environments, Air Electro Inc.

Related EE World content

What Are the Key Design and Selection Considerations for MIL-SPEC Connectors?
What Types of Plating Are Used on Connectors?
What Are the Top EMI/RFI Considerations for Connector Design and Selection?
Where Are Miniature Connectors for Wearables Headed?
Wire-to-Wire System Simplifies Mil/Aero Connections

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