RF Leaky Feeder Cable VHF

Description  

This is for the application in mine, subway, underground tunnel, underground facility and building interior under the special environment where the radio wave cannot direct transmission or it is not very good in making communications system transmission line. Leaky feeder cable VHF
Item 1.Copper Wire/Copper CladAluminum
Working Frequency: Below 1GHZ 2.Physical Foamed PE Insulation
Operating Temperature -30℃~70℃ 3.Cooper Wire
Minimumbendingradius: 100 4.Polyester Film Type
Minmum Installation Temperature: -15℃ 5.Inner Black PE Jacket
6.Outer Yellow PVC Jacket

Specification 

ITEM SLYWV-75-10 SLYWV-50-10
The Measurement
Of Structure
Inner Conductor 2.31mm 3.5mm
Physicabl Foamed PE Insulation 10mm 10mm
Railing of Parallel wire
Outer Conducter
11mm 11mm
Inner Black PE Jacket 13.5mm 13.5mm
Outer Yellow PVC
Jacket:-30℃
15.5mm 15.5mm
Weightkg/m 0.23
IMPEDENCE 75±3Ω 50±3Ω
Insulation Dielectric Strength NO BREAKDOWN UNDER2.5KV BETWEEN INNERAND OUTER CODUCTORFOR1MIN NO BREAKDOWN UNDER2KV BETWEEN INNERAND OUTER CODUCTORFOR1MIN
DC Resistance(Ohm) ≤8.7 ≤6.2
ATTENUATION @30mhz≤1.80dB/100m @30mhz≤1.98dB/100m
@85mhz≤3.1dB/100m @85mhz≤3.62dB/100m
@150mhz≤dB/100m @150mhz≤5.16dB/100m
Couple Loss @85mhz:55±5dB
@150mhz:65±5dB
Resistance of Insulation ≤1000mΩ.Km
Relative Humidity @40℃98%

Packing

Leaky feeder cable packing OVERVIEW
WOODEN DRUMS DIMENSIONS
Capacity(m) A(mm) B(mm) C(mm) D(mm)
350m/Drum 560 475 220 465
A:Flange diameter made
of wooden drum.
B:Overall width
of plastic
C:Core diameter made D:Winding width