Ditto supports up to a 4K resolution when connecting to a receiver that supports 4K. The following information shows the maximum resolution for each receiver when used with Ditto.
Apple TV 4/4K:
Mirroring: 1080p
Digital signage: 4k
Apple TV HD:
Mirroring: 1080p
Digital signage: 4k
Windows receiver:
Mirroring: 1080p
Digital signage: 1080p
Chromecast:
Mirroring: 720p
Reflector on Mac:
Mirroring: 1080p
Note:
Digital signage cannot be used with Chromecasts or when using Reflector on a Mac receiver.