Twisted-pair cables - nomenclature, standards, parameters
Twisted-pair cables are used to transmit signals in telecommunication systems and computer networks. Currently they are mainly used in analog telephony and Ethernet networks. Twisted-pair cables may consist of one or more pairs. The twisting strongly reduces the influence of external electromagnetic interference and mutual interference between the pairs, called crosstalk.
Category 5 twisted pair - transmitting characteristics
Unshielded category 5 twisted pair cable (UTP CAT5) is used as the means of transmission in computer networks using Ethernet 10baseT and 100baseT standards. The cable consists of 4 pairs, its wires have 0.5 mm diameter (the version with cord, instead of single wires has 7 cords, 0.2 mm diameter each, and total diameter equal 0.6 mm). In practice, the cable is commonly used in CCTV applications, as it can be employed both to transmit video signal and power CCTV devices.
Use of coaxial cables and connectors in WLAN systems
The range of wireless link depends on many factors. The user has influence on some of them, others cannot be changed due to a specific environment. The length and quality of the 50 ohm cable linking the AP and antenna has significant influence on the WLAN range.
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