RF Connectors
In applications where signal integrity is paramount, the reliability of your Radio Frequency (RF) connector is non-negotiable. LEMO designs and manufactures high-performance coaxial, triaxial, and mixed-contact connectors engineered for precision and durability. We provide robust solutions that ensure clear and stable signal transmission in the most demanding operational environments, from medical diagnostics and broadcasting applications to military communications.
LEMO’s Trusted RF Connector Solutions
For decades, engineers have relied on LEMO for connectivity solutions that deliver uncompromising performance. Rooted in Swiss engineering excellence, our RF connectors are designed to meet the rigorous demands of high-tech industries. Ensuring optimal signal integrity is essential for the accuracy and reliability of your equipment. LEMO’s RF solutions are tailored for high-frequency applications, offering consistent impedance and minimal signal loss across three technologies: coaxial connectors, RF twisted pair (Ethernet, USB, among others) connectors, and fibre optic connectors.
Coaxial Connectors:
High-Frequency Performance and Signal Integrity
Coaxial connectors offer a cost-effective and dependable solution for linking components within local area networks. In radio technology, impedance matching is critical. LEMO’s coaxial RF connectors are available in standard 50Ω and 75Ω versions, and feature:
- Controlled Impedance: Precise 50Ω and 75Ω options ensure optimal matching between cable and equipment, reducing signal reflection and attenuation.
- Superior Shielding: Advanced shielding protects signals from electromagnetic interference (EMI), maintaining a high signal-to-noise ratio in complex electronic environments.
- Low Attenuation: Engineered to minimize insertion loss, enabling efficient power transmission from cable to device—whether it's an antenna or a precision measuring instrument.
- Wide Bandwidth: Supports broad frequency ranges for high-speed data and signal transmission without degradation.
Ethernet – USB Connectors:
Rugged High-Speed Connectivity for Evolving Network Demands
As Ethernet and USB technology evolves to meet growing demands for speed, reliability, and security, it has become the standard for wired connectivity across industries—from IT and telecom to transportation and defense. LEMO offers one of the most extensive ranges of high-speed Ethernet - USB connectors, supporting data rates up to 10 Gb/s, including robust USB 3.2 and Single Pair Ethernet (SPE) solutions. Designed for harsh environments, these connectors deliver reliable performance under vibration, humidity, and extreme temperatures. SPE enables faster, lighter, and more cost-effective installations, making LEMO Ethernet connectors ideal for next-generation RF and network applications where dependable connectivity is key.
Fibre Optic Connectors:
Ultra-Fast Data Transmission with Unmatched Signal Purity
Fibre optic connectors transmit data as pulses of light through strands of glass or plastic, offering significantly higher speed and bandwidth than traditional copper solutions. Unlike coaxial or twisted pair cables, fibre is immune to electromagnetic interference and can carry data over long distances with minimal loss. This makes it the preferred solution for applications requiring high data rates, exceptional reliability, and flawless signal integrity—from telecommunications to medical and research environments.
RF Connectors for Medical,
Defence and Broadcasting Applications
LEMO connectors are trusted in critical sectors where performance directly impacts outcomes. In the medical field, our RF solutions are used in diagnostic imaging and surgical equipment where signal clarity is vital. For defence and security applications, our connectors ensure reliable communication links for antennas, tactical radios, and surveillance systems, providing steadfast performance when it matters most.
How to Specify and Choose
the Right LEMO RF Connector
Explore Our Models of RF Connectors
We offer a comprehensive portfolio of RF connectors designed to meet a wide array of technical requirements. Whether you need a standard receptacle and plug or a complex, custom-designed solution, our range provides the flexibility you need.
| RF Connectors | Ethernet Connectors | Fibre Optic and Hybrid Connectors |
| FFA.00.250.CTAC27 : Miniature 50 Ω coaxial plug with straight cable outlet and collet-type strain relief, ideal for protected RF applications using the LEMO push-pull system | FGG.2B.514.CLAD62 : 8-contact indoor keyed LEMO plug with straight cable collet and push-pull self-latching system, optimized for high-speed low-voltage CAT 6A connections in protected environments | 3K.93C.Y - SMPTE Hybrid : The standard for high-definition TV (SMPTE 304). Robust hybrid fiber optic connector guaranteeing certified signal integrity. |
| ERN.00.250.CTL : Front-panel coaxial receptacle (50 Ω) with grounding tabs, designed for secure panel mounting in standard IP50 environments. | EGG.2B.514.CLL : 8-contact indoor keyed receptacle (panel mount) designed for high-speed low-voltage applications with a push-pull latch and secure multi-keying system | FGN.2M.308.XRCT6 : Rugged 8-contact multipole plug with mixed sizes for varied power/signal routing, featuring ratchet coupling and IP68 sealing for demanding environments. |
| EPL.00.250.NTN : Right-angle PCB coaxial receptacle (50 Ω), perfect for direct board integration with reliable push-pull locking. | HEN.2M.514.XLNP : Rugged fixed receptacle for 8-contact high-speed (CAT 6) low-voltage data, IP68 sealed with ratchet locking for harsh environments | HES.2M.308.XRNP6 : Fixed panel receptacle for mixed signal configurations (high current and low), designed with ratchet geometry and high resistance to harsh condition |
| FGW.LM.232.XLZZM : Rugged male connector with 12 coaxial contacts (50 Ω) and ratchet-style locking, built for harsh environments with high vibration and sealing requirements. | FMN.2M.514.XLCT6 : Rugged ratchet-coupling plug for 8-position high-speed data connections (CAT 6), built for high reliability and vibration resistance | FGX.5M.366.XRYM44 : Very high-density rugged ratchet-coupling plug with 66 low-voltage contacts (mixed sizes), for complex multipole connections in tough environments (IP68) |
| EGW.LM.232.XLZ : Fixed receptacle for 12 coaxial contacts (50 Ω), featuring a ratchet coupling system for industrial, defense, and aerospace applications. | EAG.2T.514.CLN : Outdoor-rated keyed receptacle supporting high-speed low-voltage signals with push-pull locking and IP68 sealing for rugged outdoor use | EDX.5M.366.XRY44 : Matching high-density fixed receptacle with 66 low-voltage positions, featuring ratchet locking and robust environmental protection for industrial/aerospace use |
| FGN.2M.X04.XRCT : Robust Optima connector variant with ratchet coupling, optimized for multi-coax configurations requiring durable RF performance. | FGG.2T.314.CLAC75 : Outdoor-ready 8-contact LEMO plug with straight cable outlet, push-pull self-latch and IP68 protection against dust and moisture | |
| PEN.2M.X04.XRMT : Ratchet-coupling connector designed for demanding coaxial setups, offering strong mechanical endurance and repeatable, secure mating. |
Explore LEMO documentation on RF Connectors
Partner with Our Experts
Contact our engineers today to discuss your RF application requirements.
Our commitment to excellence extends beyond our products. We provide dedicated technical support to help you navigate the complexities of connector selection and integration. If you are facing a unique connectivity challenge, our engineers are ready to collaborate with you to design a custom solution.