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。
苏州瑞贝斯是低损耗超柔软LMR系列同轴电缆的专业供应商，为中国移动，大唐电信，数十家中电集团下属研究所的供应商，常年出口欧美等众多国家，性能优越，损耗低，超柔软，性能超越进口的LMR系列电缆，价格全国最具优势。型号有：LMR100, LMR195,LMR200, LMR240, LMR300, LMR400等。欢迎广大客户来电咨询。0512-62657975
LMR400规格书
材料构成--Construction Materials
Jacket Color | Black |
Jacket Material | Non-halogenated PE |
Braid Material | Tinned copper |
Shield Tape Material | Aluminum |
Dielectric Material | Foam PE |
Inner Conductor Material | Copper-clad aluminum wire |
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标注尺寸--Dimensions
Diameter Over Dielectric | 7.240 mm | 0.285 in |
Diameter Over Jacket | 10.290 mm | 0.405 in |
Inner Conductor OD | 2.740 mm | 0.108 in |
Nominal Size | 0.400 in |
Outer Conductor OD | 8.080 mm | 0.318 in |
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电气特性--Electrical Specifications
Cable Impedance | 50 ohm |
Capacitance | 78 pF/m | 24 pF/ft |
dc Resistance, Inner Conductor | 4.490 ohms/km | 1.370 ohms/kft |
dc Resistance, Outer Conductor | 5.610 ohms/km | 1.710 ohms/kft |
dc Test Voltage | 3000 V |
Jacket Spark Test Voltage (rms) | 8000 V |
Maximum Frequency | 16.20 GHz |
Operating Frequency Band | 30 – 6000 MHz |
Peak Power | 16.0 kW |
Shielding Effectiveness | >90 dB |
Velocity | 0.85 |
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环境参数--Environmental Specifications
Installation Temperature | -40 °C to +85 °C ( -40 °F to +185 °F) |
Operating Temperature | -40 °C to +85 °C (-40 °F to +185 °F) |
Storage Temperature | -70 °C to +85 °C (-94 °F to +185 °F) |
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一般特性--General Specifications
Cable Type | CNT-400 |
Braid Coverage | 86% braid |
Brand | Cinta™ |
Packaging Type | Reel |
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物理特性--Mechanical Specifications
Bending Moment | 0.7 N-m | 0.5 ft lb |
Flat Plate Crush Strength | 0.7 kg/mm | 40.0 lb/in |
Minimum Bend Radius, Single Bend | 25.40 mm | 1.00 in |
Tensile Strength | 73 kg | 160 lb |
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频响特性--Performance
Frequency | Attenuation (dB/100 m) | Attenuation (dB/100 ft) |
30 MHz | 2.49 | 0.76 |
50 MHz | 3.18 | 0.97 |
150 MHz | 4.92 | 1.5 |
220 MHz | 6.23 | 1.9 |
450 MHz | 8.86 | 2.7 |
900 MHz | 12.8 | 3.9 |
1500 MHz | 16.7 | 5.1 |
1800 MHz | 18.4 | 5.6 |
2000 MHz | 19.4 | 5.9 |
2400 MHz | 21.65 | 6.6 |
2500 MHz | 22 | 6.7 |
3000 MHz | 24.6 | 7.5 |
4000 MHz | 28.87 | 8.8 |
4500 MHz | 30.84 | 9.4 |
5000 MHz | 32.81 | 10 |
5200 MHz | 33.46 | 10.2 |
5500 MHz | 34.78 | 10.6 |
5800 MHz | 35.76 | 10.9 |
6000 MHz | 36.42 | 11.1 |
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