HFC, Defined: HFC, short for Hybrid Fiber-Coaxial, is a network technology that combines both fiber optic and coaxial cable infrastructure. In HFC solutions, a fiber optic cable runs to a local node in a neighborhood, while coaxial cables connect individual homes or businesses to. FTTx, Defined: FTTx is a general term referring to broadband networks that use optical fiber to deliver high-speed internet connectivity to end-users. These points could mean different locations: homes. Both use fiber optic cables to deliver high-speed internet, but they work differently: HFC, often marketed as "Fiber-powered" internet, uses fiber lines most of the way, but switches to coaxial (cable TV-style) wiring for the final connection to your home. FTTH, or full fiber, uses fiber optic. Fiber optic power meters are used to measure microwatts (mW), Decibels (dB), and decibel milliwatts (dBm, which are some of the most common measurements of light in fiber optics. Decibels (dB): A unit of measurement of optical power which indicates relative power. It has been commonly employed globally by cable television operators since the early 1990s. Sometimes, we also referred it as HFC internet.