male bnc
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These cables use BNC male-to-male connectors — each end has a male BNC plug for a male-to-male connection.
RG59 BNC cables are 75-ohm coaxial cables designed for RF and video. The listings state they support HD-quality video including SDI/HD-SDI (serial digital video).
Common pre-made lengths for RG59 BNC coax include 12 ft, 50 ft, and 75 ft. CCTV siamese BNC cables are commonly offered in lengths from 20 ft up to 100 ft.
They are described for CCTV security cameras, DVRs, monitors, and SDI/HD broadcast applications. Listings note compatibility with surveillance formats such as HDCVI, HDTVI, Analog, and AHD/CVI/TVI.
The listings state the BNC/75-ohm RG59 coax can handle around 3 Gbps — descriptions note support for 3 Gbps and exceeding 3 Gbps per SMPTE424M standards.
It means the cable combines video coax and power conductors inside one jacket — a single pre-made cable that transmits high-definition video and carries DC power for the camera.
The listings describe copper-based conductors: some cables use a copper-coated steel conductor for durability, while siamese CCTV cables are described as having a copper core.
BNC connectors use a bayonet locking shell to secure the connector in place.
They are sold as single pre-made lengths (examples range from 20 ft to 100 ft) and in multi-cable pack options — for example, some listings offer packs of four 100 ft siamese camera cords.