Product Specification · Built in America · Ships Today
Generated 2026-11-14
Generated 2026-11-14
CABLE
123-400-50
Low-Loss 400 bulk RF coaxial cable
Public-safety LTE · 4G/5G FR1 (sub-3 GHz) · 5G mid-band
Manufacturer: 123eWireless · MPN: 123-400-50 · Legacy PN: 123-400
Details
Low-Loss 400 is a 50-ohm RF coaxial cable engineered for reliable, durable RF interconnect. Rated to 8 GHz.
Construction: Solid BCCAl inner conductor, Foam PE dielectric, Aluminum Tape outer conductor (shield), PE jacket.
Operating range -40 to 85 °C. Sold by the foot from continuous reels; cut to length on order.
Why this part
Low-Loss 400 50-ohm RF coaxial cable, engineered for durable, reliable RF interconnect.
I.Electrical Characteristics
| Nominal Impedance (Ω) | 50 |
| Frequency Range | DC – 8 GHz |
| — Cable Attenuation Chart (Standard Test Frequencies) — | |
| Cable Attenuation @ 600 MHz (dB/100 ft) | 3.15 |
| Cable Attenuation @ 1.9 GHz (dB/100 ft) | 5.82 |
| Cable Attenuation @ 2.6 GHz (dB/100 ft) | 6.91 |
| Cable Attenuation @ 3.5 GHz (dB/100 ft) | 8.14 |
| Cable Attenuation @ 6 GHz (dB/100 ft) | 11.03 |
| Velocity of Propagation (Vp) (%) | 84 |
| Dielectric Constant (εr) | 1.38 |
| Time Delay (ns/ft) | 1.21 (derived) |
| Capacitance (pF/ft) | 23.9 |
| Inductance (µH/ft) | 0.060 |
| DC Resistance — Inner Conductor (Ω/1000 ft) | 1.39 |
| DC Resistance — Outer Conductor (Ω/1000 ft) | 1.65 |
| Shielding Effectiveness (dB) | ≥ 95 |
| Proof Voltage (V) | 2500 |
| Peak Power Handling (kW) | 16.0 |
| Average Power Handling @ 2 GHz (W) | 350 |
| PIM Rating (dBc) |
II.Construction & Dimensions
| — Identification — | |
| Cable Family / Trim Code | LL400 |
| Commercial Name | Low-Loss 400 |
| Cable OD — Overall | 0.405 in / 10.29 mm |
| Cable Weight | 0.068 lb/ft / 101 g/m |
| — Inner Conductor — | |
| Inner Conductor — Material | Solid BCCAl |
| Inner Conductor — Diameter (in) | 0.1080 |
| Inner Conductor — Construction | Solid |
| — Dielectric — | |
| Dielectric — Material | Foam PE |
| Dielectric — Diameter (in) | 0.2850 |
| Dielectric — Construction | Foam |
| — Outer Conductor / Shield — | |
| Outer Conductor — Type | Braid + Foil |
| Outer Conductor — Material | Aluminum Tape (foil) + Tinned Copper (braid) |
| Outer Conductor — Diameter (in) | 0.2910 |
| Overall Braid — Diameter (over braid) (in) | 0.3200 |
| — Jacket — | |
| Jacket — Material | PE |
| Jacket — Color | Black (default) |
III.Mechanical
| Bend Radius — Single / Installation | 1.00 in / 25.4 mm |
| Bend Radius — Repeated / Dynamic | 4.00 in / 101.6 mm |
| Bending Moment | 0.68 Nm / 0.50 ft-lb |
| Cable Pull Tensile | 712 N / 160 lb |
| Flat Plate Crush | 40 lb/in / 70.1 N/cm |
| Cold Bend Temperature (operating min) (°C) | -40 |
IV.Environmental
| Operating Temperature Range (°C) | -40 to +85 |
| Storage Temperature Range (°C) | -70 to +85 |
| Installation Temperature Range (°C) | -40 to +60 |
| Flame Rating | CMG / outdoor — PE (derived from jacket) |