LMR-300 High-Performance Low-Loss Flexible Coaxial Cable
LMR-300 coaxial cable represents an ideal balance of low attenuation and physical flexibility within the renowned LMR family. With a nominal diameter of approximately 0.300 inches, it offers significantly better signal preservation than smaller cables (like LMR-195 or RG-58) while remaining far more flexible and easier to handle than the larger LMR-400. It is the perfect choice for medium-length antenna runs, WISP installations, and mobile communications where both efficiency and practical routing are critical.
| Property | Value |
| Impedance | 50 Ohms |
| Outer Diameter | 0.300 inches 7.62 mm |
| Dielectric | Foamed Polyethylene |
| Center Conductor | Solid Bare Copper 0.070 in |
| Velocity of Propagation (VoP) | 85% |
| Min. Bend Radius (Installation) | 1.5 inches 38 mm |
| Shielding Effectiveness | > 90 dB |
Ideal Applications
- Land Mobile Radio (LMR): Reliable performance for governmental, public safety, and private LMR system antennas.
- GPS and L-Band Applications: Excellent low-loss performance for high-frequency satellite communication systems.
- Amateur Radio (Ham Radio): A great option for fixed and portable amateur radio antenna feed lines up to 7 GHz.
- Wireless Internet Service Provider (WISP): Reliable connections for subscriber units and tower-mounted equipment.
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