Webro HD100 Class A+ & WF100

TV & Satellite Digital Cable Range

TYPE HD100
Class A+		 WF100 WF65
Twin		 WF125 WF165
MECHANICAL SPECIFICATION
Inner conductor Copper Copper Copper Copper Copper
Dielectric Foam PE Foam PE Foam PE Foam PE Foam PE
Diameter over dielectric 4.6mm 4.8mm 2.9mm 5.72mm 7.25mm
First screen Cu foil Cu foil Alu foil Cu foil Cu foil
Braid Copper Copper Tinned Cu Copper

Copper
Second screen Alu/Pet foil N/A N/A N/A N/A
Sheath LSNH PVC PVC PE PE
Diameter over sheath

6.55mm

+/-0.3mm

6.55mm

+/-0.3mm

4.7/9.8mm

+/-0.2mm

8.0mm

+/-0.4mm

10.1mm

+/-0.3mm
Colour Blk / Brn / Wht Blk / Brn / Wht Black Black Black
           
ELECTRICAL SPECIFICATION
Characteristic impedance 75 Ω 75 Ω 75 Ω 75 Ω 75 Ω
DC resistance inner conductor < 26 Ω/Km < 26 Ω/Km < 55 Ω/Km < 15 Ω/Km < 10.5 Ω/Km
DC resistance outer conductor < 15 Ω/Km

<15 Ω/Km

 < 16 Ω/Km < 13.5 Ω/Km < 12 Ω/Km
Capacitance pF/m 56 55 54 54 55
Velocity ratio 0.82 0.81 0.84 0.83 0.81
Return loss at
5 - 470 MHz > 23 dB > 23 dB > 20 dB > 23 dB > 23 dB
470 - 862 MHz > 20 dB > 20 dB > 18 dB > 20 dB > 20 dB
862 - 2150 MHz > 18 dB > 18 dB > 16 dB > 18 dB > 18 dB
Attenuation (dB/100m at 20°C)
5 MHz < 1.6 < 1.6 < 2.7 < 1.5 < 1.0
50 MHz < 4.6 < 4.6 < 7.5 < 3.5 < 3.0
100 MHz < 6.5 < 6.5 < 10.0 < 5.0 < 4.0
200 MHz < 9.5 < 9.5 < 13.8 < 7.5 < 6.0
460 MHz < 15.0 < 15.0 < 21.4 < 11.5 < 9.0
860 MHz < 19.5 < 19.5 < 30.0 < 15.5 < 12.5
1000 MHz < 21.5 < 21.5 < 32.5 < 17.0 < 13.5
1750 MHz < 29.0 < 29.0 < 42.2 < 22.8 < 19.0
2150 MHz < 32.5 < 32.5 < 47.0 < 26.0 < 22.0