Low loss flexible 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.
Construction
Conductor
Copper coated Al wire
4.80 ± 0.05 [mm]
Dielectricum
Cellular PE
12.10 ± 0.30 [mm]
Screen
Corrugated Cu tube
13.90 ± 0.25 [mm]
Jacket
Black or grey
SHF1
O.D.
16,40 ± 0,40 [mm]
Weight
250 [kg/km]
Jacket marking
NEK Kabel – RF LLF 1/2" 50 – SHF1 – DNV – DD/MM/YYYY – <batch no.> – ****m
Specifications
Operating temperature normal
-40 – +70 [°C]
Inductance
0.19
[µH/m]
Screen resistance
< 2.85 [Ω/km]
Peak RF voltage
1.8 [kV]
Characteristic impedance
50 ± 2 Ω
Peak power rating
32 [kW]
Conductor resistance
< 1.60 [Ω/km]
Insulation resistance
10 [GΩ x km]
Tensile strength
1100
[N]
Capacitance
76 [pF/m]
Velocity factor
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)
, NEK 606
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 60332-1-2
Weather resistant
ASTM G 154
Smoke emission
IEC 61034-1 & IEC 61034-2
Oil and fuel resistant
IEC 60811-2-1 Mineral Oils, IRM 902: 23ºC / 7 days, 70°C / 4h Diesel, IRM 903: 23ºC / 7 days, 70°C / 4h
UV-resistant
ASTM G 154
CPR classification
Dca-s1,d2,a1
Certification
DNV
Part No.
1028850-black,
1028857-grey
NEK offers connectors for RF LLF 1/2": Male, Part No. 65402 and Female, Part No. 65464
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 |
Screening Effectiveness dB (EN 50117)
| MHz | dB Ω/m |
|---|---|
| 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 |
Updated
| Date | Rev. | Description |
|---|---|---|
| 13.09.2017 | 1 | Update outer diam. |
| 10.10.2017 | 2 | Update screen resistance |
| 27.11.2017 | 3 | Update design Norm |
| 27.9.2019 | 4 | Corr. approval |
| 16.06.2020 | 5 | Corr. approvals |
| 11.01.2022 | 6 | Attenuation/VSWR |
| 22.12.2023 | 7 | Norms |
