Can ICC HDMI female to female modules support 4K?

Yes, all ICC HDMI modules can support 4K ultra high-definition quality. The module can support HDMI cable for a maximum distance of 33 feet (10 meters).

ICC 90 Degree HDMI Keystone Jack, Female to Female HDMI Coupler, Right Angle Insert for Wall Plate, HD Style, White, Single

ICC Decorator Insert with Dual HDMI, 2-Port Slim Profile Keystone Wall Plate Module, Decora Style

ICC Decorator Insert with HDMI, 2-Port Slim Profile Keystone Wall Plate Module, Decora Style

ICC HDMI Keystone Jack 4K @ 60Hz, Female to Female HDMI Coupler, 180 Degree Insert for Wall Plate, HD Style