Questions & Answers: Yealink 4 Port POE Switch - For The Connection of Multi Cameras/Speakers RCH40 E2

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Yealink 4 Port POE Switch - For The Connection of Multi Cameras/Speakers RCH40 E2

Use for the connection of multi cameras/mics/speakers; 1x 4-port PoE Switch; 1x power adapter; Including 2-year hardware warranty; Only RCH40 E2 support CM20 and CS10