Low loss feeder cable. designed for broadband transmission from sources like radio antennas, radars, GPS devices, mobile phone
antennas to distribution systems inside ships, tunnels, buildings and underground areas where RF signals normally cannot be received.
Chemical resistant, SHF2 MUD jacket.
Construction
Conductor
Copper coated Al wire
4.80 ± 0.05 [mm]
Dielectricum
Cellular PE
12.1 ± 0.3 [mm]
Screen
Corrugated Cu tube
13.90 ±0.25 [mm]
Jacket
SHF2, MUD
Black
O.D.
16.7 ± 0.5 [mm]
Weight
265 [kg/km]
Jacket marking
NEK Kabel – RF LLF 1/2" – MUD – DNV – DD/MM/YY – <batch no.> – ****m
Specifications
Operating temperature normal
-40 – +70 [°C]
Inductance
0.19
[µH/m]
Screen resistance
< 2.4 [Ω/km]
Peak RF voltage
1.8 [kV]
Characteristic impedance
50 ± 2 Ω
Peak power rating
32 [kW]
Conductor resistance
< 1.6 [Ω/km]
Tensile strength
1100 [N]
Insulation resistance
10 [GΩ x km]
Capacitance
76 [pF/m]
Velocity factor
0,88
Min. bending radius
85 [mm]
Min. bending radius flexible
135 [mm]
Norms
Halogenfree, max content corrosive and toxic gases
IEC 60754-1 & IEC 60754-2
Material properties, insulation and sheath
IEC 60092-360 (359)
Design and testing standards
IEC 60096-0-1 Ed 3
IEC 61196-1-100
Flame resistance
IEC 60332-3-22 Cat.A
, IEC 60332-3-24 Cat.C
Flame retardant
IEC 60332-1
Weather resistant
ASTM G 154
Smoke emission
IEC 61034-1 & IEC 61034-2
MUD resistant
NEK TS 606
UV-resistant
ASTM G 154
ASTM D 4587
Certification
DNV
NEK offers connectors for RF LLF 1/2": Male, Part No. 65402 and Female, Part No. 65464
Part No.
1092481
Screen effectiveness IEC 61196-1
| MHz | dB |
|---|---|
| 150 | 2.7 |
| 280 | 3.99 |
| 450 | 5.06 |
| 800 | 6.73 |
| 900 | 7.15 |
| 1500 | 9.33 |
| 1800 | 10.52 |
| 2000 | 11.62 |
| 2400 | 12.52 |
| 3000 | 13.46 |
Attenuation and Power rating
| Frequency [MHz] | Nominal attenuation [dB/100m] max. 105% | Power rating [kW] |
|---|---|---|
| 30 | 1.66 | 6.9 |
| 50 | 2.01 | 5.3 |
| 88 | 2.51 | 4.0 |
| 100 | 2.65 | 3.7 |
| 200 | 3.58 | 2.6 |
| 300 | 4.31 | 2.1 |
| 400 | 4.93 | 1.8 |
| 450 | 5.1 | 1.7 |
| 500 | 5.49 | 1.6 |
| 700 | 6.48 | 1.3 |
| 800 | 7.10 | 1.3 |
| 900 | 7.30 | 1.25 |
| 1000 | 7.78 | 1.1 |
| 1400 | 9.24 | 0.9 |
| 1800 | 10.90 | 0.78 |
| 2000 | 11.50 | 0.76 |
| 2400 | 12.90 | 0.66 |
| 3000 | 14.50 | 0.58 |
| 3400 | 15.50 | 0.54 |
| 6000 | 21.5 | 0.39 |
| 8000 | 27.0 | 0.31 |
VSWR
| Frequency [MHz] | - |
|---|---|
| 260 – 300 | 1.15 |
| 320 – 480 | 1.15 |
| 820 – 960 | 1.15 |
| 1400 – 1650 | 1.18 |
| 1700 – 1900 | 1.18 |
| 1860 – 2100 | 1.18 |
| 2100 – 2250 | 1.18 |
| 2300 – 2500 | 1.18 |
Updated
| Date | Rev. | Description |
|---|---|---|
| 27.11.2017 | 1 | Update norms |
| 19.04.2022 | 2 | MUD |
