# Known Issues and Limitations

AJA **Corvid44-12G** **BNC** supports only single link **1080p** and **UHD**. Dual-link or Dual-stream are not supported; hence the Fill and Key features are unsupported.

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There are two variants of Corvid44-12G, one with micro BNC connectors and another with full-sized BNC connectors, and Reality is certified to work with full-sized BNC connectors.
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