Radio Frequency Systems company website is optimized for recent browsers :
IE9+, Chrome 31+, Firefox 31+, Opera 28+, Safari 7+

My e-catalog

RL478 Aluminium Series
Product Name

RFS rigid line components with aluminium outers are available for unpressurized (indoor).


  • Line inner and outer tubing is of high conductivity aluminium, and the inner is of hard-drawn copper, milled to exact dimensions. Unflanged components have a plain matt finish.
  • Captive PTFE dielectric insulators are used exclusively
  • Captive PTFE dielectric insulators are used exclusively in lines and elbows to ensure precision mating and stability of components after assembly
  • All inner conductor connectors are silver plated
  • All components conform to the relevant EIA or IEC standards

Technical features


Product LineComponents
Product TypeAluminium Rigid Line Components 4-7/8" 50 ohm
Feeder TypeAir Dielectric, solid inner and outer PTFE spacers
Conductor MaterialOuter: High conductivity aluminium tube Inner: High conductivity copper tube
Outer Conductor OD mm (in)123.2 (4.85)
Outer Conductor ID mm (in)120 (4.724)
Inner Conductor OD mm (in)52.1 (2.051)
Inner Conductor ID mm (in)50.1 (1.972)

Electrical Specifications

Frequency Range MHz50 - 862
ImpedanceΩ50 +/- 0.5
Relative Propagation Velocity%99,8
Peak Power Rating kW2160
RF Peak VoltagekV14700

Mechanical Specifications

Weight kg/m (lb/ft)3.7 (2.48)
Standard lengths m (ft)5.5 (18)
Recommended clamp spacing m (ft)2 (6.5)

Example text


External Document Links