A:AnswerSounds like you want an A/B switch not a splitter. I have this splitter at home but it will display on both TVs at the same time. I simply turn on the TV I want to view it on (leaving the other one off) though because I didn't want to mess with an A/B switch. This method has worked just fine for me.
A:AnswerDoes your monitor have 2 HDMI inputs? If so just need two HDMI cables.
If not you will need an HDMI switcher - something like Insignia™ - 3-Port HDMI Switch with 4K and HDR Pass-Through - Black.
Here is the link - https://www.bestbuy.com/site/insignia-3-port-hdmi-switch-with-4k-and-hdr-pass-through-black/6319221.p?skuId=6319221
A:AnswerAs far as I have experienced, it takes a signal from one source and projects it onto multiple devices. It will not send different than your primary source. For that you would need a video switch