Tv signal drops through Ethernet switch

Just installed a Internet Switch for my PoE cameras. “. Yuan key 16 Port PoE Switch, 2 Uplink Gigabit|1 SFP Port, 250W Built-in Power, 802.3af/at, 19" Rackmount, Unmanaged Plug & Play”5
Cameras are on their way, but testing other devices through this switch. All function great…printer, Roku, link hud and Tablo Ethernet connection.
When I run Tablo through switch, and Roku wireless…TV signal drops every minute or so. If I connect Tablo direct to router all is good.
Any ideas?

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