Coaxial cable Rangeful BNC male to SMA male RG58/U 50 Ω 0.3 m

Coaxial cable Rangeful BNC male to SMA male RG58/U 50 Ω 0.3 m provides a short, direct RF connection between equipment with BNC and SMA interfaces. Built on RG58/U coaxial with a nominal 50 ohm characteristic impedance and a 0.3 metre length, the cable is intended for signal routing, test bench setups and quick patching tasks where a compact, low-loss link is required. The assembly pairs a BNC male connector with an SMA male connector to adapt devices that use these common RF interfaces.

Advantages

The RG58/U core ensures consistent 50 Ω impedance across the assembly, minimising reflections for typical VHF/UHF test frequencies and general RF use. Short length reduces insertion loss and keeps signal attenuation low while preserving mechanical flexibility for tight routing. Precision connectors provide reliable mating and repeatable electrical performance in measurement and test equipment environments.

Suitable for

• Connecting RF test instruments (spectrum analysers, signal generators) with BNC to devices with SMA
• Short patch leads on laboratory benches and test setups
• Signal routing between measurement equipment and antennas or adapters in VHF/UHF ranges

Key specifications

• Cable type: RG58/U coaxial
• Characteristic impedance: 50 Ω
• Length: 0.3 m
• Connector A: BNC male
• Connector B: SMA male
• Typical use: RF signal transmission and measurement connections

How to use

Align the BNC male connector with the BNC female jack and engage the bayonet coupling until it clicks. For the SMA male connector, carefully screw the connector onto the SMA female jack by hand until finger-tight; avoid over-tightening with tools to prevent damage to threads and centre contacts. Use the cable for short interconnections; maintain gentle bends and avoid kinking to preserve impedance characteristics. Inspect connectors and cable for wear before use in measurement-critical setups.

Usage recommendations

Store the cable coiled without sharp bends and keep connectors protected from dust and mechanical shock. For repeatable measurement results, keep cable runs as short as practical and avoid routing near strong sources of interference or high-current conductors. If higher frequency performance or lower loss is required, consider cables with lower-loss dielectric or larger diameter; for this RG58/U assembly, recommended application is short-range RF patching and instrument adaptation.