Category 5 cable (cat 5) is a twisted pair cable for carrying signals. This type of cable is used in structured cabling for computer networks such as Ethernet. The cable standard provides performance of up to 100 MHz and is suitable for 10BASE-T, 100BASE-TX (Fast Ethernet), and 1000BASE-T (Gigabit Ethernet). Cat 5 is also used to carry other signals such as telephony and video.
This cable is commonly connected using punch-down blocks and modular connectors. Most category 5 cables are unshielded, relying on the balanced line twisted pair design and differential signaling for noise rejection.
Key Benefits
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Applications
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Pair Identification & Products standard:
ANSI/TIA/EIA-568-A, Cable types, connector types and cabling topologies are also defined by TIA/EIA-568-B
Structure：
| UTP Cat5e | 4 twisted pairs, 24AWG BC conductor, PVC Jacket (Grey or Blue) , up to 100MHZ |  |
RJ45 Connector | |
| UTP Cat5e- CCAL | 4 twisted pairs, 24AWG CCAL conductor, PVC Jacket (Grey or Blue) , up to 100MHZ |  |
RJ45 Connector | |
| FTP Cat5e | 4 twisted pairs, 24AWG BC conductor, AL Foil shield , TC drain wire, PVC Jacket (Grey or Blue) , up to 100MHZ |  |
RJ45 Connector | |
| Cat5e outdoor | 24AWG BC conductor, PE Jacket (Black only) , up to 100MHZ |  |
RJ45 Connector | |
| Cat5e outdoor double Jacket | 24AWG BC conductor, PVC Inner Jacket , PE outer Jacket (Black only) , up to 100MHZ |  |
RJ45 Connector | |
| Cat5e Aerial | 24AWG BC conductor, PVC Jacket, 1.13mm Steel Messenger , up to 100MHZ |  |
RJ45 Connector |
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Frequency MHz |
Impedance Ohm |
Return Loss dB |
Attenuation dB/100m |
Next dB |
Acr dB |
Eifext dB |
| 0.77 | 100±15 | 16.7 | 1.8 | 64.0 | 64.0 | 63.0 |
| 1.0 | 17.0 | 2.1 | 62.3 | 62.3 | 60.8 | |
| 4.0 | 18.8 | 4.3 | 53.3 | 53.3 | 48.7 | |
| 8.0 | 19.7 | 5.9 | 48.8 | 48.8 | 42.7 | |
| 10.0 | 20.0 | 6.6 | 47.3 | 47.3 | 40.8 | |
| 16.0 | 20.0 | 8.2 | 44.3 | 44.3 | 36.7 | |
| 20.0 | 20.0 | 9.2 | 42.8 | 42.8 | 34.7 | |
| 25.0 | 19.3 | 10.5 | 41.3 | 41.3 | 32.8 | |
| 31.25 | 18.6 | 11.8 | 39.9 | 39.9 | 30.9 |
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