When using dual remotes with the Mavic 2 Pro what distance can the remotes be apart before losing signal? Can for instance the Pilot fly the drone using the primary remote taking off from 2K away from the secondary remote, will the secondary still be able to see the image and operate the camera?

When using dual remotes with the Mavic 2 Pro what distance can the remotes be apart before losing signal? Can for instance the Pilot fly the drone using the primary remote taking off from 2K away from the secondary remote, will the secondary still be able to see the image and operate the camera?