12G-SDI BNC & HD-BNC Connectors Amphenol RF 12G-SDI BNC & HD-BNC Connectors utilise data transfer rates of up to 12Gb/s to enable the transmission of high-resolution uncompressed video signals. These devices offer 4K and Ultra-HD quality signals in miniature and high-density sub-miniature package sizes. These 50Ω or 75Ω products are available as PCB connectors with edge-mount, straight, or right-angle configurations, or as cable connectors for industry-standard cable.