The RF 1.37 miniature coax is a compact, high-performance cable designed for low-loss RF signal transmission. It features a silver-plated copper conductor with FEP insulation and FEP jacket. With an ultra-thin outer diameter of 1.37mm, it’s ideal for devices with limited internal space, making it a popular choice for consumer electronics, automotive electronics, medical devices, and lightweight avionics systems .

• Ultra-Compact Design (1.37mm OD): Its exceptionally thin profile is the primary advantage, enabling integration into high-density PCBs, slim smartphones, and compact IoT devices.
• Excellent High-Frequency Performance: With a characteristic impedance of 50 ± 2 Ohms, it reliably supports frequencies up to 6 GHz, covering all major wireless standards like Wi-Fi 6/6E, Bluetooth, GPS, and 4G/5G cellular bands.
• Superior Flexibility: The RF 1.37 miniature coax cable features a stranded silver-plated copper center conductor and a flexible FEP insulation and jacket, allowing for a tight bend radius (as low as 4mm). This makes routing around components and through hinges in devices like laptops and routers simple and reliable.
• Low Signal Loss (Attenuation): Despite its small size, it offers optimized attenuation for its class. For example, typical attenuation at 2.4 GHz is around 3.0 dB/m, and at 5.8 GHz, it is approximately 5.1 dB/m, ensuring signal integrity over short internal distances.

• Medical Devices: Portable ultrasound machines, wearable health monitors, and miniaturized medical sensors.
• Industrial Equipment: Industrial cameras, machine vision systems, IT sensors, and industrial automation controls.
• Aerospace: Small satellite parts, lightweight avionics systems
• Communication Devices: WiFi routers, AP access points, CPE terminals, and GPS modules.

As a professional RF cable manufacturer, we prioritize quality, cost-effectiveness, and customer satisfaction. Our RF 1.37 miniature coaxial cable is produced with strict quality control, ensuring consistent performance and long service life. We offer factory-direct pricing, flexible MOQ, and fast delivery—perfect for both small-batch samples and large-volume orders. Whether you need standard specifications or custom solutions, we’re here to support your project.