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Cable characteristics SLL-400-SFP (Selteq Low Loss 400 Superflex PE)
constructively cable SLL-400-SFP consists of:
– copper stranded central conductor 19x0,59 mm, with a total diameter of 2.9 mm
– internal dielectric made of foamed polyethylene with a diameter of 7.3 mm.
– the first shielding layer of copper foil on polyethylene tape
– second shielding layer – braid of 192 copper-clad aluminum conductors with 85% filling
– outer protective shell made of polyethylene (PE), resistant to ultraviolet light and the influence of external factors, with a diameter of 10.3 mm (0.400 “)
Wave resistance: 50 ohms
Linear capacitance: 78 ±2 pF/m
Relative speed: 87%
Shortening factor: 1,149
Losses and transmitted power for SLL-400-SFP cable
| Frequency, MHz | Losses, dB/100m | Power, W |
| 140 | 4,6 | 1500 |
| 450 | 8,8 | 790 |
| 900 | 12,9 | 540 |
| 1500 | 17,2 | 405 |
| 1800 | 19,0 | 365 |
| 2000 | 20,1 | 345 |
| 2400 | 21,8 | 319 |
| 3000 | 24,6 | 282 |
| 4000 | 29,1 | 239 |
| 5000 | 33,1 | 210 |
| 5800 | 36,2 | 192 |
| 6000 | 36,9 | 188 |
| 8000 | 44,2 | 157 |
| 10000 | 50,7 | 137 |
Comparison of SLL-400-SFP with SLL-400 and SLL-240-SF
Packaging and labeling
The cable is marked SLL-400-SFP
Packaging – wooden drum, 500 m, Ø 500 x 390 mm, gross weight 61,5 kg.
Running weight – 11,2 kg/100 m.
SLL-400-SFP cable can be cut to shorter lengths upon request.
Compatibility and analogues
The SLL-400-SFP coaxial cable is part of the G37 cable group and is similar in size to the following widely used types of HF coaxial cables: RG8/U, TZC 500 32, LMR 400, MRC 400, Low Loss 400, RG-213 RG-5 , WBC-214, WCX 400, SPEEDFOAM 400, 400D-FB, RK-8-50s.
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