ANTENNAS & CABLES

7/8" Feeder Cable

Photo of 7/8" Feeder Cable

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Specifications

Specifications - Construction

Inner Conductor Copper tube Φ 9.3 mm
Dielectric Cellular polyethylene Φ 22.0 mm
Outer Conductor Corrugated copper tube Φ 25.2 mm
Jacketing Black, halogen-free fire-retardant thermoplastic /
Black, halogen-free polyethylene (optional)
Φ 27.8 mm
Marking Trademark, cable type, manufacture week, year, batch number and meter mark --

Specifications - Electrical Characteristics at +20°C

Characteristic Impedance 50 ± 1 Ω
Return Loss 24 dB for 100 m cable with connectors
Attenuation See table below
Velocity Factor 0.90
Capacitance 73.0 pF/m
Maximum Frequency 5100 MHz
Max Power Rating See table below
Peak RF Voltage Rating 3.2 kV
Peak Power Rating 92.0 kW
DC resistance Inner conductor: 1.11 Ω/km, Outer conductor: 1.11 Ω/km
Frequency (MHz) Attenuation (dB/100m) Power Rating (kW) Frequency (MHz) Attenuation (dB/100m) Power Rating (kW)
10 0.348 27 900 3.56 2.6
30 0.607 15 950 3.66 2.5
50 0.78 12 960 3.68 2.5
88 1.05 8.9 1000 3.77 2.5
100 1.12 8.3 1200 4.16 2.2
108 1.17 8.0 1400 4.53 2.0
174 1.49 6.2 1600 4.87 1.9
200 1.61 5.8 1800 5.20 1.8
300 1.98 4.7 1900 5.36 1.7
400 2.31 4.0 2000 5.51 1.7
450 2.46 3.8 2200 5.81 1.6
500 2.60 3.6 2400 6.11 1.5
512 2.63 3.5 2600 6.39 1.4
600 2.86 3.2 2800 6.66 1.4
700 3.11 3.0 3000 6.93 1.3
800 3.34 2.8 3400 7.44 1.2
850 3.45 2.7 4000 8.17 1.1
890 3.54 2.6 5000 9.30 1.0

* Attenuation values are typical at ambient temperature +20°C. Power rating ambient temperature +40°C, inner conductor +100°C.

Specifications - Mechanical Characteristics

Weight 0.49 kg/m
Maximum Pulling Force 2800 N
Minimum Bending Radius Single Bending: 120mm, Repeated Bending: 240 mm
Operating Temperature Range -55 ~ +80 °C
Crush Resistance 1.6 kg/mm
Bending Moment 15.0 Nm
Recommended Clamp Distance 1.0 m