In October of last year LG announced the UltraFine 5K, a monitor that was designed specifically to work well with Apple's Macs. This has been implied by Apple to be a successor of sorts to its now-discontinued Thunderbolt Display, and it's recommended by the company for new MacBook Pro buyers. That's all fine and dandy, but if you purchase one of these to use as an external monitor for your MacBook, you may not be happy to learn that you can't place it near a wireless router. Seriously. If your UltraFine 5K monitor is within two metres or so of a router, it will basically become...
Source: http://www.gsmarena.com/lgs_ultrafine_5k_display_for_macs_becomes_unusable_when_placed_near_a_router-news-23062.php