
Category 5 network cables (marked as Cat5) are one of the core cables in early network cabling and belong to the unshielded twisted pair (UTP) category. Their main functions and application scenarios are as follows:
100-megabit network data transmission
This is the core function of Category 5 network cables. It natively supports 10Base-T (10Mbps) and 100Base-TX (100Mbps) Ethernet standards, and is thus also known as "100-megabit network cable", which can meet the interconnection and interoperability requirements of computers, switches, printers and other devices within early local area networks (Lanss).
Voice signal transmission
The 8-core twisted-pair cable of Category 5 network cable can replace traditional telephone lines to achieve the transmission of multiple voice signals. It is often used in the wiring of enterprise telephone systems. One network cable can connect multiple landlines simultaneously, saving wiring costs.
Basic monitoring and weak current transmission
For scenarios with low requirements for transmission bandwidth, Category 5 network cables can be used to connect standard-definition network cameras, access control systems, intercom devices for buildings, etc., to transmit control signals and video data.
Home and small office network cabling
In environments with low requirements for network speed (such as ordinary web browsing and file downloading), Category 5 network cables can be used as the basic wiring for homes or small offices, supporting the connection between routers and terminal devices.
Precautions
The maximum transmission distance of Category 5 network cables is 100 meters. Beyond this distance, the signal will significantly attenuate and needs to be amplified by a switch or repeater.
At present, Category 5 network cables have gradually been replaced by Cat5e network cables. Cat5e network cables support gigabit speeds (1000Mbps), have stronger anti-interference capabilities, wider compatibility, and are more suitable for current network requirements.
Do you need me to help you sort out the performance comparison table of Category 5 network cables and Category 5E network cables so that you can quickly distinguish the differences between the two?

The performance differences between Category 5 network cables and Category 5E network cables
The production method of Category 5 network cables
Common Faults and Solutions of Category 5 network cables