RF cable SMA male - SMA male RG402 (semi-rigid), straight, low-loss coaxial connector for antennas and radio modules
The SMA male - SMA male pigtail on RG-402 cable is a professional-grade high-frequency coaxial connecting cable designed for stable and high-quality transmission of radio frequency signals in the most demanding systems. Thanks to the rigid RG-402 construction and straight SMA male connectors, the pigtail ensures minimal losses, excellent shielding, and high parameter repeatability across the entire operating range.
This cable is widely used in telecommunication systems, Wi-Fi and LTE equipment, GPS modules, SDR receivers, radio relay links, measuring equipment, and industrial high-frequency installations. The SMA male - SMA male RG402 pigtail guarantees stable operation even at frequencies up to 20 GHz, making it a universal solution for professional and amateur tasks.
You can order any length from 20 to 70 cm in our store!
Technical specifications of SMA male - SMA male RG402
| Characteristic | Value |
| Connector type 1 | SMA male (straight) |
| Connector type 2 | SMA male (straight) |
| Connector orientation | Straight |
| Connector body material | Brass |
| Cable type | Coaxial RG402 (semi-rigid) |
| Impedance | 50 Ohm ±1 |
| Inner conductor diameter | 0.93 ±0.02 mm (silver plated copper clad steel) |
| Dielectric diameter | 3.0 ±0.03 mm (PTFE) |
| Outer conductor diameter | 3.58 ±0.03 mm (copper tube / tin-plated copper tube) |
| Capacitance | 95.1 pF/m |
| Velocity of propagation | 71 % |
| Inner conductor resistance (DCR) | 67.6 Ohm |
| Maximum operating frequency | 20 GHz |
| Maximum operating voltage (RMS) | 1,900 V |
| Minimum bend radius | 12.5 mm |
| Corona extinction voltage | 1,900 Vrms |
| Withstanding voltage | 5,000 Vrms |
| Operating temperature | -55…+125 °C |
Attenuation and average power of RG-402
| Frequency (GHz) | Attenuation (dB/ft) | Attenuation (dB/meter) | Power (W CW) |
| 0.5 | 0.08 | 0.26 | 600.5 |
| 1 | 0.11 | 0.37 | 417.5 |
| 5 | 0.28 | 0.91 | 174.4 |
| 10 | 0.42 | 1.36 | 117.5 |
| 20 | 0.64 | 2.09 | 77.9 |
Purpose and use
● SMA male - SMA male RG402 for connecting antennas and radio modules
The pigtail allows reliable connection of Wi-Fi, LTE, 5.8 GHz, and other high-frequency antennas, ensuring low attenuation and stable signal transmission. Thanks to the rigid RG-402, the cable maintains its shape and characteristics even in challenging conditions.
● SMA male RG402 pigtail for GPS, SDR, and telemetry
High impedance stability and shielding make the pigtail effective in precise transceiver systems, SDR complexes, telemetry, and GPS equipment. RG-402 minimizes interference and ensures a clean signal.
● SMA male - SMA male cable for measuring and testing equipment
Suitable for spectrum analyzers, signal generators, amplifiers, laboratory benches, and professional RF tests. The rigid geometry of RG-402 ensures repeatability and measurement accuracy.
● Rigid SMA male pigtail for microwave paths and industrial systems
Supports operation in systems up to 20 GHz, in radio relay links, amplifiers, and high-frequency feeders. Ensures reliable transmission without parameter changes even under prolonged load.
Design features and functionality
● Rigid RG-402 construction for stable RF characteristics
The semi-rigid cable guarantees a fixed path geometry, which reduces parasitic oscillations and ensures signal stability in high-frequency systems, SDR receivers, and professional radio equipment.
● Straight SMA male connectors with high connection precision
The connectors provide minimal contact resistance and high parameter repeatability, suitable for antennas, radio modules, GPS, and laboratory devices.
● Low loss and excellent shielding at all frequencies
Thanks to the copper tube outer conductor, the pigtail has maximum shielding and minimal attenuation, which is important for microwave, LTE, and Wi-Fi systems.
● Universal compatibility with 50 Ohm RF equipment
Suitable for routers, modems, repeaters, receivers, test instruments, IoT modules, and amateur radio solutions.
Advantages of use
● High signal quality thanks to RG-402 and SMA male - SMA male design
The pigtail ensures stable operation with minimal losses, which is especially important in high-frequency and measuring systems.
● Resistance to mechanical stress and long service life
The rigid RG-402 cable withstands vibrations, pressure, and multiple connections, making it suitable for industrial and field conditions.
● Versatility of application in modern radio systems
The SMA male - SMA male pigtail easily integrates into Wi-Fi, LTE, GPS, SDR, IoT, and other systems, ensuring high connection reliability.
● Stability at frequencies up to 20 GHz
The optimal design ensures very low attenuation and reliability even in microwave paths and test laboratories.
Package contents
- SMA male - SMA male pigtail, straight, RG-402 cable, 50 Ohm — 1 pc.
Packaging
The SMA male - SMA male pigtail is carefully packed in a protective polyethylene bag, which protects the product from mechanical damage, dust, and moisture during transportation and storage. This packaging ensures the preservation of all operational characteristics of the product until its use.
We manufacture SMA male - SMA male pigtails, straight on rigid RG-402 cable to order in lengths from 20 to 70 cm
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