FTTx(Fiber to the X) is a broadband network architecture using optical fiber to provide all or part of the local connection loop. CHT is establishing FTTx broadband network continuously by connecting optical fiber from Central Office (CO) to Home/Building/Node with various technologies like VDSL, PON, Ethernet, etc.. Thus, HiNet can provide high speed broadband service to customers for accessing Internet services and websites.

HiNet provides broadband connections under Best Effort mode based on international standard network quality categorizations. Actual connection speed to Internet varies due to elements including the customers' equipment, software/hardware, distance, customers' IT environment, external bandwidth of visiting websites, the concurrent usage of video value-added services, etc..