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NKL 4740B-BK – F/UTP, CAT.6, 23 AWG, Outdoor, 250 MHz, Bare Copper Cable, 4 Pairs, 305M Box


Available on backorder

Model No: NKL 4740B-BK

  • Packing Option – 305M Wooden Drum

Standard Warranty (Non-Certified) – 5 Years

System Warranty (Certified) – 25 Years


Available on backorder

NIKOLAN 4-series outdoor cables provide excellent performance at a reasonable price, which makes them the best choice for building networks. Rigid polyethylene shell is not afraid of ultraviolet, it is resistant to cold and external influences. The model range includes shielded (F / UTP) and unshielded (U / UTP) cables of categories 5e and 6, intended for external installation, incl. Suspended, with stranded steel cable. Depending on the model, external cables of the 4th series are delivered in “easy-pull box” cartons or on plywood drums. Unshielded cables (U / UTP) are the most popular and easy to install type of cable, but they do not have protection against electromagnetic interference. When laying in close proximity to the power lines, it is recommended to refer to shielded solutions.



Bandwidth, MHz




Number of pairs


Material of conductors


Type of conductors


Diameter of conductors, AWG

23 AWG (0.57 ± 0.01 mm)

Insulation material

High density polyethylene (HDPE)

Insulation conductor thickness, mm

0.25 ± 0.02

Diameter of conductor insulation, mm

1.09 ± 0.05

Outer jacket material

Polyethylene (PE)


For Outdoor Installation

Jacket thickness, mm

0.6 ± 0.05

Outer jacket diameter, mm

7.4 ± 0.3

Jacket color


Screen construction (common screen)

Polyester aluminum foil with 100% coverage, paved in constant contact with a monolithic drainage conductor (26 AWG)

Protective film




Mass density (kg) per unit length (km)

49.1 ± 0.5

Radius of bending during laying

At least 10 cable diameters

Radius of bending during operation

At least 8 cable diameters

Maximum tensile strength

Not more than 100 N

Characteristic impedance, ohms

100 ± 15

Nominal velocity of propagation (NVP)

0.69 ± 0.1

Max. Conductor resistance(DC), ohms/km


Length, M



Exceeds the requirements of the standards: ISO / IEC 11801, EN 50173 and ANSI / TIA-568-C.2

Supported applications

10BASE-T, 100BASE-TX, 100BASE-T4, 1000BASE-T, 10GBASE-T (For Cat.6),
ATM-25, ATM-51, ATM-155, 100VG-AnyLan, TR-4, TR-16 Active, TR-16 Passive

Temperature ranges

Storage from -60 to +60 ° C. Installation from -10 to +50 ° C. Operation from -60 to +60 ° C

Individual packing

Plywood drum

Package dimensions (LxW or W x H x D), mm


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    NKL 4740B-BK Datasheet