The Digicom IPC331-T01 has a better interface than most webcams that were released around the same time as it. This webcam has an RJ-45 interface, whereas most webcams that have been on the market for a similar time to it have a USB interface.
This webcam's interface (RJ-45) is in fact the worst interface amongst all latest webcams.
The best interface amongst comparable types of webcam is USB 2.
Webcams with a better interface that might also be worth looking at include the Logitech C925e (£90.46) (USB 2.0 and cheaper).