Description
The BNC Female to SMA Female Adapter is a vital between-series RF component designed to bridge the gap between two widely used connector standards. It features a BNC Jack (Female) on one side, utilizing the standard bayonet-style coupling for rapid attachment, and an SMA Jack (Female) on the other side, featuring a high-frequency threaded interface.
This adapter is indispensable for laboratory environments where BNC-equipped test instruments must interface with SMA-based high-frequency components or sub-miniature wireless devices. Its small footprint and precision machining ensure a consistent 50 Ohm impedance, minimizing signal loss and reflections. Constructed with a heavy-duty nickel or gold-plated brass body and PTFE (Teflon) insulation, it provides stable electrical performance and low VSWR up to 4 GHz. The rugged construction is designed to maintain mechanical integrity through hundreds of mating cycles.
Key Technical Advantages
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Direct Interface Conversion: Enables immediate connection between BNC and SMA systems without the need for additional patch cables.
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Compact & Lightweight: The streamlined profile makes it ideal for use in portable test kits and high-density equipment panels.
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Low Insertion Loss: Precision internal geometry ensures a clean signal path, maintaining signal strength even at higher frequencies.
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Broad Application Support: Perfectly suited for bridging the gap between professional measurement tools and modern wireless networking hardware.
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Superior Contact Integrity: High-quality plating on both female sockets ensures low contact resistance and excellent protection against oxidation.
Key Features
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Double-Female Configuration: Features a BNC Jack (with socket) and an SMA Jack (with socket) to join two male cable ends.
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Bayonet & Threaded Hybrid: Combines the quick-connect versatility of BNC with the microwave-frequency precision of SMA.
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Premium PTFE Dielectric: Provides excellent thermal stability and consistent electrical performance across its operating range.
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Industrial Durability: Rated for a minimum of 500 mating cycles, ensuring long-term reliability in benchtop and field applications.
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Standard 50 Ohm Impedance: Specifically designed to match standard RF communication and test systems.










Komal Verma (verified owner) –
Really worth the price and the product quality is excellent. Packaging was secure and delivery was on time. Much better option for Indian customers instead of importing from outside India. Thank you AetherX!
Mamta (verified owner) –
Very good experience overall. Product works perfectly and feels premium. Packaging and delivery service were also excellent.