Product Specification · Built in America · Ships Today
Generated 2026-07-08
Generated 2026-07-08
CABLE
123-38SF-50
3/8" Super Flexible bulk RF coaxial cable
Cellular DAS · Public-safety LTE · 4G/5G FR1 (sub-3 GHz)
Manufacturer: 123eWireless · MPN: 123-38SF-50 · Legacy PN: 123-38SF
Details
3/8" Super Flexible is a 50-ohm RF coaxial cable engineered for low-PIM, durable cellular feeder runs. Rated to 6 GHz.
Construction: Copper-Clad Aluminium Wire inner conductor, Foam Polyethylene dielectric, Corrugated Copper outer conductor (shield), Black Polyethylene jacket.
Operating range -50 to 85 °C. Sold by the foot from continuous reels; cut to length on order.
Why this part
3/8" Super Flexible 50-ohm RF coaxial cable, engineered for low-PIM, durable RF interconnect.
I.Electrical Characteristics
| Nominal Impedance (Ω) | 50 |
| Frequency Range | DC – 6 GHz |
| — Cable Attenuation Chart (Standard Test Frequencies) — | |
| Cable Attenuation @ 600 MHz (dB/100 ft) | 3.30 |
| Cable Attenuation @ 1.9 GHz (dB/100 ft) | 6.29 |
| Cable Attenuation @ 2.6 GHz (dB/100 ft) | 7.54 |
| Cable Attenuation @ 3.5 GHz (dB/100 ft) | 8.99 |
| Cable Attenuation @ 6 GHz (dB/100 ft) | 12.47 |
| Velocity of Propagation (Vp) (%) | 82 |
| Dielectric Constant (εr) | 1.49 (derived from Vp) |
| Time Delay (ns/ft) | 1.24 (derived) |
| Capacitance (pF/ft) | 25.0 |
| DC Resistance — Inner Conductor (Ω/1000 ft) | 1.62 |
| DC Resistance — Outer Conductor (Ω/1000 ft) | 1.71 |
| Shielding Effectiveness (dB) | ≥ 90 |
| Proof Voltage (V) | 4000 |
| Peak Power Handling (kW) | 11.9 |
| Average Power Handling @ 2 GHz (W) | 180 |
| PIM Rating (dBc) | -160 |
II.Construction & Dimensions
| — Identification — | |
| Cable Family / Trim Code | 38SF |
| Commercial Name | 3/8" Super Flexible |
| Cable OD — Overall | 0.402 in / 10.21 mm |
| Cable Weight | 0.076 lb/ft / 113 g/m |
| — Inner Conductor — | |
| Inner Conductor — Material | Copper-Clad Aluminium Wire |
| Inner Conductor — Diameter (in) | 0.1020 |
| Inner Conductor — Construction | Solid |
| — Dielectric — | |
| Dielectric — Material | Foam Polyethylene |
| Dielectric — Diameter (in) | 0.2480 |
| Dielectric — Construction | Foam |
| — Outer Conductor / Shield — | |
| Outer Conductor — Type | Corrugated Copper |
| Outer Conductor — Material | Corrugated Copper |
| Outer Conductor — Diameter (in) | 0.3580 |
| — Jacket — | |
| Jacket — Material | Black Polyethylene |
| Jacket — Color | Black |
III.Mechanical
| Bend Radius — Single / Installation | 1.50 in / 38.1 mm |
| Bend Radius — Repeated / Dynamic | 0.98 in / 24.9 mm |
| Cable Pull Tensile | 600 N / 135 lb |
| Cold Bend Temperature (operating min) (°C) | -50 |
IV.Environmental
| Operating Temperature Range (°C) | -50 to +85 |
| Flame Rating | CMG / outdoor — PE (derived from jacket) |
| UV / Outdoor Rating | Outdoor UV-stabilized (carbon-loaded Black PE) (derived) |