RFC400 ULTRA FLEX cable

Cable

RFC400 ULTRA FLEX

RFC400 ULTRA FLEX Coaxial Cable

Custom RFC400 ULTRA FLEX cable assemblies. Choose from 16 compatible connectors and any length from 1 to 1200 feet.

From $14.39 + $1.70/ft

Specifications

Diameter .400 INCH
Impedance 50 Ohm
Frequency Range DC – 6 GHz
Velocity Factor 83%
Max Voltage 600 VRMS
Shield Type Aluminum foil + tinned copper braid
Jacket PVC
Bend Radius 1.5 in (38mm)
Weight 5.5 lb/100ft
Temp Range -40°C to +85°C
Build Custom RFC400 ULTRA FLEX Cable

About RFC400 ULTRA FLEX

RFC-400-UltraFlex combines the low-loss performance of 0.400" coax with the flexibility needed for complex routing, offering an economical option for installations that benefit from increased bendability. Suitable for rooftop antenna runs, equipment room patch cables, and mobile installs where budget and flexibility are both priorities.

Attenuation (dB per 100 ft)

100 MHz 450 MHz 900 MHz 1.8 GHz 2.4 GHz 5.8 GHz
1.6 3.5 5.0 7.2 8.4 13.8

Select End A Connector (16 available)

Choose the connector for the first end of your cable.

Technical Specifications

Impedance 50 Ohm
Frequency Range DC – 6 GHz
Velocity Factor 83%
Capacitance 24.5 pF/ft
Max Voltage 600 VRMS
Center Conductor Stranded bare copper, 2.74mm
Dielectric Foamed PE
Shield Type Aluminum foil + tinned copper braid
Jacket Material PVC
Bend Radius 1.5 in (38mm)
Weight per ft 5.5 lb/100ft
Temp Range -40°C to +85°C

Common Applications

Tower & Antenna Feedlines
Amateur Ham Radio Installations
Cellular & 4G/5G Antenna Runs
Long Indoor Cable Runs

Frequently Asked Questions

What connectors are compatible with RFC400 ULTRA FLEX?

RFC400 ULTRA FLEX is compatible with 16 connector types including SMA MALE, SMA FEMALE, RP-SMA MALE, RP-SMA FEMALE, N MALE, and more. All connectors can be paired in any combination.

What is the impedance of RFC400 ULTRA FLEX?

50 Ohm — standard for RF systems, test equipment, and antenna feedlines.

What frequency range does RFC400 ULTRA FLEX support?

RFC400 ULTRA FLEX supports frequencies from DC to DC – 6 GHz.

How are RFC400 ULTRA FLEX cables assembled?

Every RFC400 ULTRA FLEX cable assembly is hand-terminated and continuity tested at our US facility before shipping. We do not drop-ship pre-made cables — each one is built to your specifications.

What lengths are available for RFC400 ULTRA FLEX?

RFC400 ULTRA FLEX is available from 1 ft up to 1200 ft. Use the cable builder for any custom length.