Description
HLF‑300 is a type of low‑loss coaxial feeder cable, similar in many ways to LMR‑300. Some key specs: Impedance: 50 Ω Synergy Telecom Pvt. Ltd. +3 SRFS Teleinfra +3 netboon.com +3 Inner conductor: Solid copper or copper clad aluminium, ~1.78 mm diameter Synergy Telecom Pvt. Ltd. +2 Synergy Telecom Pvt. Ltd. +2 Dielectric: Foamed PE (polyethylene) SRFS Teleinfra +2 Synergy Telecom Pvt. Ltd. +2 Shielding: Foil + braided tinned copper (or copper‑clad aluminium) SRFS Teleinfra +2 Synergy Telecom Pvt. Ltd. +2 Outer jacket: Black PE (UV resistant in many cases) SRFS Teleinfra +2 netboon.com +2 It’s used for RF, antennas, boosters, wireless systems, short runs (antenna feeder etc.) where signal loss needs to be minimized. SRFS Teleinfra +1
Other Specifications
| Jacket - Black PE : | 7.62mm |
| Outer Shield - Tinned Plated Copper Brainding : | 5.72mm |
| Inner Shield - Unsealed APA Tape : | 4.98mm |
| Dielectric- Foamed PE : | 4.83mm |
| Impedance : | 50ohm |





