In most cases the PRM-45 is a direct upgrade from the PRM-35 projector model however this can sometimes depend on your current stand/mount for the ActivBoard + projector.
For our US customers, feel free to speak to a Promethean representative by calling 678-336-8189 or Toll Free at 877-292-8646
For our customers in Canada, please call (800) 791-4961.
If you aren’t in either of these locations, find a Promethean Partner near you. Visit the Partner Locator.