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123eWireless
Product Specification · Built in America · Ships Today
Generated 2026-08-04
123-401-50
CABLE
123-401-50

FF401 bulk RF coaxial cable

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

Manufacturer: 123eWireless  ·  MPN: 123-401-50  ·  Legacy PN: 123-14FF  ·  Manufacturer PN: TFT-401
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Details

FF401 is a 50-ohm RF coaxial cable engineered for low-PIM, durable cellular feeder runs. Rated to 6 GHz.

Construction: Silver-plated copper inner conductor, Taped PTFE dielectric, Silver-plated copper braid outer conductor (shield), White FEP (Plenum-Compliant, Non-UL-Cert jacket.

Operating range -55 to 150 °C. Sold by the foot from continuous reels; cut to length on order.

Why this part

FF401 50-ohm RF coaxial cable, engineered for low-PIM, durable RF interconnect.

I.Electrical Characteristics
Nominal Impedance (Ω)50
Frequency RangeDC – 6 GHz
— Cable Attenuation Chart (Standard Test Frequencies) —
Cable Attenuation @ 600 MHz (dB/100 ft)5.60
Cable Attenuation @ 1.9 GHz (dB/100 ft)10.45
Cable Attenuation @ 2.6 GHz (dB/100 ft)12.45
Cable Attenuation @ 3.5 GHz (dB/100 ft)14.73
Cable Attenuation @ 6 GHz (dB/100 ft)20.12
Velocity of Propagation (Vp) (%)72
Dielectric Constant (εr)1.93 (derived from Vp)
Time Delay (ns/ft)1.41 (derived)
Capacitance (pF/ft)28.2
Shielding Effectiveness (dB)≥ 80
Proof Voltage (V)1000
Average Power Handling @ 2 GHz (W)50
PIM Rating (dBc)-160
II.Construction & Dimensions
— Identification —
Cable Family / Trim CodeFF401
Commercial NameFF401
Cable OD — Overall0.265 in / 6.73 mm
Cable Weight0.078 lb/ft / 116 g/m
— Inner Conductor —
Inner Conductor — MaterialSilver-plated copper
Inner Conductor — Diameter (in)0.0641
Inner Conductor — ConstructionSolid
— Dielectric —
Dielectric — MaterialTaped PTFE
Dielectric — Diameter (in)0.2080
Dielectric — ConstructionTape-wound
— Outer Conductor / Shield —
Outer Conductor — TypeBraid
Outer Conductor — MaterialSilver-plated copper braid
Outer Conductor — Diameter (in)0.2180
Overall Braid — Diameter (over braid) (in)0.2400
— Jacket —
Jacket — MaterialWhite FEP (Plenum-Compliant, Non-UL-Cert
Jacket — ColorWhite
III.Mechanical
Bend Radius — Single / Installation0.75 in / 19.1 mm
Bend Radius — Repeated / Dynamic0.75 in / 19.1 mm
Cable Pull Tensile222 N / 50 lb
Cold Bend Temperature (operating min) (°C)-55
IV.Environmental
Operating Temperature Range (°C)-55 to +150
Flame RatingCMP (plenum) — FEP (derived from jacket)
UV / Outdoor RatingOutdoor (FEP is UV-stable) (derived)