LMR300介绍：
LMR系列电缆最初是由美国引入的，覆盖DC-6G，低损耗、大功率、柔性好的射频同轴电缆，并针对室内、野外使用该电缆本身有额外的环境保护措施，被广泛应用于3G通信基站、RFID系统、卫星通信系统、军用通信以及一些一些需要低成本的雷达上。
50欧低损耗超柔软LMR系列同轴电缆性能优越，超越国外品牌，价格极具优势，现货供应。
标注尺寸--Dimensions
| Diameter Over Dielectric | 4.830 mm | 0.190 in |
| Diameter Over Jacket | 7.620 mm | 0.300 in |
| Inner Conductor OD | 1.780 mm | 0.070 in |
| Nominal Size | 0.300 in |
| Outer Conductor OD | 5.660 mm | 0.223 in |
电气特性--Electrical Specifications
| Cable Impedance | 50 ohm |
| Capacitance | 80 pF/m | 25 pF/ft |
| dc Resistance, Inner Conductor | 6.960 ohms/km | 2.120 ohms/kft |
| dc Resistance, Outer Conductor | 7.980 ohms/km | 2.430 ohms/kft |
| dc Test Voltage | 2500 V |
| Jacket Spark Test Voltage (rms) | 5000 V |
| Maximum Frequency | 24.50 GHz |
| Operating Frequency Band | 30 – 6000 MHz |
| Peak Power | 10.0 kW |
| Shielding Effectiveness | >90 dB |
| Velocity | 0.83 |
频响特性--Performance
| Frequency | Attenuation (dB/100 m) | Attenuation (dB/100 ft) |
| 30 MHz | 3.8 | 1.16 |
| 50 MHz | 4.9 | 1.5 |
| 150 MHz | 7.9 | 2.4 |
| 220 MHz | 9.5 | 2.9 |
| 450 MHz | 13.1 | 4 |
| 900 MHz | 19.4 | 5.9 |
| 1500 MHz | 25.3 | 7.7 |
| 1800 MHz | 28.2 | 8.6 |
| 2000 MHz | 29.8 | 9.1 |
| 2500 MHz | 33.8 | 10.3 |
| 3000 MHz | 37.4 | 11.4 |