SRFS Teleinfra

1-58” Feeder Cable

1-5/8” Feeder Cable

The 1-5/8” Feeder Cable is a high-performance RF coaxial cable designed for efficient signal transmission in demanding wireless communication and telecommunications applications. Its large-diameter construction supports high power handling, low signal attenuation, and stable electrical performance over longer cable runs. Effective shielding helps minimize electromagnetic interference and maintain excellent signal integrity. The cable is suitable for antenna feeder systems, base stations, telecom infrastructure, broadcast networks, wireless communication systems, and outdoor RF installations. With robust construction and dependable performance, the 1-5/8” Feeder Cable provides a reliable solution for professional high-power RF transmission and communication networks.

Construction Specifications

Item Material Diameter
Inner Conductor Corrugated Copper 17.7 mm
Di-Electric Gas Injected PE 43 mm
Outer Conductor Corrugated Copper 46.6 mm
Jacket Black PE 50 mm

Electrical Specification

Max. Operating Frequency 2.7 GHz
Impedance (Ω) 50Ω
Nominal Capacitance 75 pF/m
Nominal Inductance 0.19 μH/m
Velocity of Propagation (%) 89%
RF Peak Voltage 5500 Volts
Peak Power Rating 302 kW
Insulation Resistance > 5 × 10³ MΩ / Km
Inner Conductor DC Resistance 1.37 Ω / 1000 m
Outer Conductor DC Resistance 0.39 Ω / 1000 m

Mechanical & Environmental Specification

Cable Weight 1.13 kg/m
Max. Pull Strength 250 daN
Min. Bending Radius (single) 200 mm
Min. Bending Radius (repeated) 400 mm
Max. Clamp Spacing 1.5 m
Storage Temperature -55 to +80°C
Installation Temperature -40 to +60°C
Operating Temperature -55 to +80°C
RoHS Compliant
Frequency (MHz) Attenuation & Average Power
dB/100 m
kW
100 0.65 15.68
200 0.93 10.84
300 1.16 8.70
400 1.36 7.43
450 1.46 6.96
800 2.01 5.03
960 2.23 4.53
1000 2.29 4.43
1500 2.90 3.49
1800 3.23 3.13
2000 3.45 2.94
2200 3.65 2.77
2500 3.95 2.57