There are differences between PoE security camera systems and wireless ones in terms of “High Definition”.
Generally, PoE 16 channel HD security camera systems today could reach a higher resolution of 4K(or 8MP), which has generally become the mainstream in the PoE world since they can put behind all the concerns about network issues and stretch for better images.
Comparatively, you need to lower your expectations for wireless 16 channel HD security camera systems – there is no complete 16 channel wireless security camera system now actually, as I put it before.
Read also: 16 Channel Security Camera System: Monitor Every Angle