PlayStation Portal (Remote Play device) announced for $199, coming November 15th

[the-pi-guy]

KLXVER said:

Frogger said:

I thought you could play as long as you have internet and they aren't playing

Its through wifi. Its like a Wii U gamepad. The PS5 would need to be close by.

The PS5 needs to be connected to wifi and the PS Portal need to be connected to wifi, they don't need to be the same wifi.  

Sony's official FAQ: 

While your home Wi-Fi network represents a great option to use PlayStation Portal™ Remote Player because you have control over the quality of your own home Wi-Fi, it is not required. PlayStation Portal™ Remote Player can also be played wherever you have access to broadband internet Wi-Fi with at least 5Mbps for use¹. For a better play experience, a high-speed connection of at least 15Mbps is recommended. If you are using public Wi-Fi, be aware that the quality of the internet connection may be out of your control, and could impact the quality of your play experience.