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123eWireless
Product Specification · Built in America · Ships Today
Generated 2026-11-14
123-14SFP-50
CABLE
123-14SFP-50

1/4" Super Flexible bulk RF coaxial cable

Cellular DAS · Public-safety LTE · 4G/5G FR1 (sub-3 GHz) · 5G mid-band

Manufacturer: 123eWireless  ·  MPN: 123-14SFP-50
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Details

1/4" Super Flexible is a 50-ohm RF coaxial cable engineered for low-PIM, durable cellular feeder runs. Rated to 20.4 GHz.

Construction: Copper-Clad Aluminum Wire inner conductor, Foam Polyethylene dielectric, Corrugated Copper outer conductor (shield), Black Plenum PVC (CMP) jacket.

Operating range -50 to 85 °C. Sold by the foot from continuous reels; cut to length on order.

Why this part

1/4" Super Flexible 50-ohm RF coaxial cable, engineered for low-PIM, durable RF interconnect.

I.Electrical Characteristics
Nominal Impedance (Ω)50
Frequency RangeDC – 20.4 GHz
— Cable Attenuation Chart (Standard Test Frequencies) —
Cable Attenuation @ 600 MHz (dB/100 ft)4.52
Cable Attenuation @ 1.9 GHz (dB/100 ft)8.45
Cable Attenuation @ 2.6 GHz (dB/100 ft)10.06
Cable Attenuation @ 3.5 GHz (dB/100 ft)11.91
Cable Attenuation @ 6 GHz (dB/100 ft)16.29
Velocity of Propagation (Vp) (%)81
Dielectric Constant (εr)1.52 (derived from Vp)
Time Delay (ns/ft)1.26 (derived)
Capacitance (pF/ft)25.0
Inductance (µH/ft)0.063
DC Resistance — Inner Conductor (Ω/1000 ft)3.19
DC Resistance — Outer Conductor (Ω/1000 ft)2.74
Peak Power Handling (kW)5.5
PIM Rating (dBc)
II.Construction & Dimensions
— Identification —
Cable Family / Trim Code14SFP
Commercial Name1/4" Super Flexible
Cable OD — Overall0.310 in / 7.87 mm
Cable Weight0.047 lb/ft / 70 g/m
— Inner Conductor —
Inner Conductor — MaterialCopper-Clad Aluminum Wire
Inner Conductor — Diameter (in)0.0750
Inner Conductor — ConstructionSolid
— Dielectric —
Dielectric — MaterialFoam Polyethylene
Dielectric — Diameter (in)0.1700
Dielectric — ConstructionFoam
— Outer Conductor / Shield —
Outer Conductor — TypeCorrugated Copper
Outer Conductor — MaterialCorrugated Copper
Outer Conductor — Diameter (in)0.2600
— Jacket —
Jacket — MaterialBlack Plenum PVC (CMP)
Jacket — ColorBlack
III.Mechanical
Bend Radius — Repeated / Dynamic1.00 in / 25.4 mm
Cable Pull Tensile600 N / 135 lb
Cold Bend Temperature (operating min) (°C)-50
IV.Environmental
Operating Temperature Range (°C)-50 to +85
Storage Temperature Range (°C)-70 to +85
Installation Temperature Range (°C)-25 to +60
Flame RatingCMG (general purpose) — PVC (derived from jacket)
UV / Outdoor RatingIndoor only (PVC UV-sensitive) (derived)