RFA 7/8″-50 Coaxial corrugated cable, feeder 7/8″, drum 500 m

RFA 7/8″-50 cable design

Structurally, the RFA-7/8″-50 cable (feeder) consists of:

• central conductor: copper tube with a diameter of 9,4 mm
• dielectric: foamed polyethylene with a diameter of 22,5 mm
• outer conductor: corrugated copper tube with a diameter of 25,4 mm
• protective shell: black, halogen-free polyethylene, 28,0 mm in diameter.

Electrical characteristics of RFA 7/8″-50 cable

Wave resistance: 50±1 Ohm
Linear capacitance: 74,2 pF/m
Relative speed: 90%
Maximum frequency: 5100 MHz
Peak working HF voltage: 3,1 kV
Peak working power: 92 kW
Direct current resistance:
– internal conductor: 1,85 Ohm/km
– external conductor: 1,53 Ohm / km.

Losses in RFA 7/8″-50 cable

Mechanical characteristics of RFA 7/8″-50 cable

Linear weight: 0,40 kg/m
Maximum tension force: 2000 N
Minimum bending radius, single: 120 mm
Minimum bending radius, repeated: 240 mm
Operating temperature range: -55...+85° C
Resistance to damage: 1,45 kg/mm
Bending moment: 15 Nm
Recommended distance between fasteners: 1 m.

The RFA-7/8″-50 feeder is also available in non-flammable black (suffixed BHF). The non-flammable black version has additional UV protection.

Weight and dimensions of the drum:

Technical characteristics of RFA 7/8″-50 coaxial cable

RFA 7/8″-50 Coaxial Cable Shipping and Storage Instructions

A sample passport of a drum with individual parameters of factory testing

Photo of RFA cable marking 7/8″

Photo of RFA 7/8″ BHF cable marking

Trunk coaxial cable 7/8″ is widely used in GSM, DCS, CDMA, 3G WCDMA, MPT, TETRA, WiFi (2.4 GHz), WiMAX (up to 3.8 GHz) networks.

The maximum frequency of cable use is 5,1 GHz.

Analogues of the standard size with the RFA 7/8″-50 cable are: LCF 78-50″, LDF5 50A, AVA5-50, Eupen 5228A, HPL 50-7/8, HFC 22D, FlexLine 7/8″ R.

7/8″ Feeder Processing Tool
Earther for feeder 7/8″
Cable fastening (clamps) for feeder 7/8″
Connector for feeder 7/8″