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 200 feet.
Specifications
Diameter
.400 INCH
Impedance
50 Ohm
Frequency
DC – 6 GHz
Vel. Factor
83%
Max Voltage
600 VRMS
Shield
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
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
1.6 dB
450 MHz
3.5 dB
900 MHz
5.0 dB
1.8 GHz
7.2 dB
2.4 GHz
8.4 dB
5.8 GHz
13.8 dB
Select End A Connector (16 available)
Choose the connector for the first end of your cable.
Select End B Connector
Choose the connector for the second end.
Common Applications
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 200 ft. Use the cable builder for any custom length.