ContestFlex-10 coaxial cable M&P, FREEBYTES

Available Options:

1:Lenght(add to price per/mtr):

2:Connectors for one side:

2a:Connector installation on the one side:

3:Connectors for other side:

3a: Connector installation on the other side:

CONNECTORS FOR CABLES WITH 10.3mm DIAMETER
BNC Male 18123	SMA Male 18125	PL Male 17153	N Type Male 17152
PL Female 18382	N Type F 18383	PL 90° Male 19105	N Type 90° M 19107

Messi & Paoloni ContestFlex-10 is a premium 50 Ohm coaxial cable with 10.3 mm (.400") diameter, designed for demanding amateur radio installations where low loss, flexibility and reliable RF performance matter. According to the manufacturer, it is specifically optimized for HF and VHF/UHF operation, making it an excellent choice for the majority of radio amateurs and fixed-station applications.

With its 19-wire central conductor and remarkable flexibility, ContestFlex-10 is well suited for tight bends and installations involving rotor-operated antennas. It also features additional shielding protection against electromagnetic interference, with the manufacturer stating screening efficiency above 105 dB, helping reduce unwanted noise and preserve signal quality.

Compared with traditional RG213-type cable, ContestFlex-10 offers clearly improved performance while maintaining a highly attractive quality-to-price ratio. For radio operators looking for a dependable, flexible and high-performing coax for everyday HF/VHF/UHF use, the ContestFlex-10 is a strong and practical choice from Messi & Paoloni.

Technical Specifications (English)

Impedance: 50 Ohm ±3 at 200 MHz.
Recommended frequency range: 1 MHz to 467 MHz.
Outer diameter: 10.3 mm ±0.15.
Inner conductor: 19 x 0.59 mm copper wires, overall conductor diameter 2.9 mm ±0.15.
Dielectric: triple-layer foamed polyethylene, overall dielectric diameter 7.3 mm ±0.05.
Shielding: 100% foil shield plus 85% braid with 192 copper-clad aluminium wires.
Jacket: UV-resistant black PVC.
Screening efficiency: >105 dB from 100 to 2000 MHz.
Capacitance: 78 pF/m ±2.
Velocity factor: 87%.
Minimum bending radius: 80 mm for up to 15 bends; 40 mm for a single bend.
Temperature range: -40°C to +60°C.
Inner conductor resistance: 3.6 Ohm/km.
Outer conductor resistance: 12 Ohm/km.
Spark test: 8 kV.
Net weight per 100 m: 11.6 kg.
Maximum peak power: 10,000 W.
Structural return loss: >30 dB from 0.3–600 MHz, >25 dB from 600–1200 MHz, >20 dB from 1200–2000 MHz.

Download the brochure