Cable
RGU178
RGU178 Coaxial Cable
Custom RGU178 cable assemblies. Choose from 83 compatible connectors and any length from 1 to 30 feet.
Specifications
Diameter
.06 INCH
Impedance
50 Ohm
Frequency
DC – 6 GHz
Vel. Factor
70%
Max Voltage
300 VRMS
Shield
Silver-plated copper braid
Jacket
FEP
Bend Radius
0.12 in (3mm)
Weight
0.3 lb/100ft
Temp Range
-55°C to +200°C
About RGU178
RGU-178 is an ultra-flexible variant of the RG-178 coaxial cable, retaining the 1.75mm form factor while featuring a stranded center conductor and flexible jacket for repeated bending. It excels in applications requiring both a small footprint and mechanical durability, such as wearable devices, rotating joints, and flexible test leads.
Attenuation (dB per 100 ft)
100 MHz
9.0 dB
450 MHz
19.5 dB
900 MHz
28.5 dB
1.8 GHz
41.0 dB
2.4 GHz
48.0 dB
5.8 GHz
78.0 dB
Select End A Connector (83 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 RGU178?
RGU178 is compatible with 83 connector types including SMA MALE, SMA FEMALE, RP-SMA MALE, RP-SMA FEMALE, SMA MALE ANGLE, and more. All connectors can be paired in any combination.
What is the impedance of RGU178?
50 Ohm — standard for RF systems, test equipment, and antenna feedlines.
What frequency range does RGU178 support?
RGU178 supports frequencies from DC to DC – 6 GHz.
How are RGU178 cables assembled?
Every RGU178 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 RGU178?
RGU178 is available from 1 ft up to 30 ft. Use the cable builder for any custom length.