Messi & Paoloni RG-58 5mm Coax Cable
SKU Part Number: RG-MP-RG58
Flexible 5.4mm 50 Ohm Coaxial Cable Messi & Paoloni Hyperflex 5 High-performance, extremely flexible 5.4mm coax with an 87% velocity...
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Flexible 5.4mm 50 Ohm Coaxial Cable

Messi & Paoloni Hyperflex 5

High-performance, extremely flexible 5.4mm coax with an 87% velocity factor, A++ screening and a stranded copper centre conductor.

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Messi & Paoloni Hyperflex 5 is a compact 5.4mm 50 ohm coaxial cable designed to combine excellent flexibility with strong screening and low loss for its size.

Its stranded copper inner conductor uses 19 individual copper wires, helping the cable remain exceptionally flexible and making it particularly well suited to portable installations, short patch leads, mobile applications and antennas where the feed line needs to move with a rotator.

A 120-wire reactive copper braid and 100% screened copper foil provide high screening performance, while the 87% velocity factor and lightweight construction make Hyperflex 5 a versatile alternative where larger 7mm or 10mm coax would be unnecessarily bulky.

DIAMETER
5.4mm

Compact enough for portable, mobile and equipment interconnection applications.

VELOCITY FACTOR
87%

High velocity ratio from the physically foamed polyethylene dielectric.

SCREENING
A++ Screening

Screening efficiency greater than 105dB between 100MHz and 2000MHz.

FLEXIBILITY
Highly Flexible

19-strand copper centre conductor designed for repeated movement and tight installations.

Flexible Construction

Why Choose Hyperflex 5?

Hyperflex 5 is the most flexible coaxial cable in the M&P range. Its construction is specifically suited to installations where ordinary solid or less flexible coax can place unnecessary strain on connectors or moving antenna systems.

M&P uses a 120-wire copper braid manufactured on a 24-spool braiding machine. This gives 50% more braid crossovers than a conventional 16-spool construction, combining strong screening with a braid that reacts to twisting and bending in a spring-like manner.

At just 4.4kg per 100 metres, it is also relatively lightweight, reducing the load placed on hanging cable runs and rotator-operated antennas.

Applications

Where Hyperflex 5 Works Best

Hyperflex 5 is especially useful where flexibility and compact cable diameter matter as much as outright attenuation performance.

HF
HF Stations

An excellent compact feed line for typical HF runs, portable stations and installations where a larger cable is inconvenient.

MOVEMENT
Rotator Antennas

Extreme flexibility makes Hyperflex 5 particularly useful around moving antenna systems and rotator loops.

INTERCONNECTS
Patch Leads and Jumpers

Compact diameter and good flexibility make it ideal for short interconnections around the shack.

Selecting Cable Length

M&P Cable Length Guidance

M&P provides the following guidance to help choose the correct cable size for transmitting applications. These are recommendations rather than absolute cable length limits.

Example Frequency Excellent Good M&P Guidance
14MHz Up to 50m Up to 75m Consider larger coax above 75m
28MHz Up to 35m Up to 50m Consider larger coax above 50m
50MHz Up to 28m Up to 40m Consider larger coax above 40m
144MHz Up to 10m Up to 20m M&P recommends 10.3mm coax above 20m
430MHz - Up to 5m M&P recommends 10.3mm coax above 5m
1296MHz - Up to 3m Use lower-loss 10.3mm coax for longer runs
Cable Construction

Built for Flexibility and Screening

  • 19 x 0.29mm stranded copper inner conductor
  • High-pressure physically foamed polyethylene dielectric
  • Triple-layer dielectric construction
  • 100% screened copper foil with protective PE layer
  • 88% coverage reactive copper braid
  • 120 braid wires manufactured using 24 spools
  • UV-resistant black PVC outer jacket
  • 5.4mm overall cable diameter
Installation Note
Not Intended for Direct Burial

Standard Hyperflex 5 uses a flexible PVC outer jacket and is not intended for direct burial.

Manufacturer Documentation

Hyperflex 5 Datasheet

View Hyperflex 5 Datasheet
Product Information

RG-58 Technical Specifications

Electrical, construction, flexibility, return-loss, attenuation and power specifications for Messi & Paoloni RG-58.

Specifications

General

Nominal Impedance 50 ohms ±3 at 200MHz
Overall Diameter 5mm ±0.15mm
Velocity Factor 66%
Capacitance 101pF/m ±2
Screening Efficiency Greater than 55dB, 100 to 900MHz
Screening Class A++
Operating Temperature -40°C to +60°C
Net Weight Approx. 3.7kg per 100m
Maximum Peak Power 2000W
Spark Test 4kV
Cable Design

Construction

Inner Conductor 19 x 0.18mm tinned copper wires
Inner Conductor Diameter 0.90mm ±0.15mm
Dielectric Solid polyethylene
Dielectric Diameter 2.95mm ±0.05mm
Braid 92% coverage, 112 tinned copper wires
Braiding Process 16-spool braiding machine
Outer Jacket UV-resistant black PVC
Inner Conductor Resistance 37 ohms/km
Outer Conductor Resistance 15 ohms/km
Flexibility

Minimum Bend Radius

Repeated Bending

50mm for up to 15 bends

Single Bend / Choke

25mm

Return Loss

SRL

0.3 to 600MHz Greater than 35dB
600 to 1200MHz Greater than 30dB
1200 to 2000MHz Greater than 30dB
RF Loss

Attenuation at 20°C

Frequency Loss dB/100m
1.8MHz2.1dB
3.5MHz2.9dB
7MHz3.9dB
10MHz4.7dB
14MHz5.6dB
21MHz6.7dB
28MHz7.9dB
50MHz10.8dB
100MHz15.8dB
144MHz19.3dB
200MHz22.1dB
400MHz33.3dB
430MHz34.9dB
800MHz51.1dB
1000MHz58.0dB
1296MHz63.0dB
RF Power

Continuous Power Handling at 40°C

Frequency Maximum Power
1.8MHz1321W
3.5MHz1138W
7MHz846W
10MHz702W
14MHz589W
21MHz493W
28MHz418W
50MHz306W
100MHz209W
144MHz171W
200MHz149W
400MHz99W

Shipping:

We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.

Returns:

If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:

Click here for returns form

Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.

Warranty Terms and Conditions

Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.

For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.

International Warranty information

Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]