The "Highfly 8 way Satellite Splitter Antenna TV Wide Band 5-1000MHz CATV Splitter" is a device designed for splitting incoming satellite and cable TV signals to distribute them to multiple output locations or devices. Here's what the different components of its name mean:

1. Highfly: This is likely the brand or manufacturer of the splitter.
2. 8 way: This indicates that the splitter has eight output ports, allowing you to split the incoming signal into eight separate signals.
3. Satellite Splitter: This suggests that the splitter is specifically designed for use with satellite TV signals, which often have specific frequency ranges and requirements.
4. Antenna TV: While it's designed for satellite signals, the inclusion of "Antenna TV" in the name might indicate that it can also be used with over-the-air antenna signals, as long as they fall within the specified frequency range.
5. Wide Band 5-1000MHz: This indicates that the splitter supports a wide frequency range, from 5 MHz to 1000 MHz. This covers a broad range of frequencies used in both cable TV (CATV) and satellite TV distribution.
6. CATV Splitter: This further confirms that the splitter is suitable for cable TV signals.