International standards
World-class quality assurance

Participate in multiple overseas projects

Participate in multiple overseas projects

British brand
Zero rejection from global consultants

Extensive experience in overseas project submission

Extensive experience in overseas project submission

Perfect combination of creativity and technology
Each cable is made as per demand

Special cable customization service

Special cable customization service
  Coaxial Cables  
RG Coax URM Coax CT Coax

LMR Coax

Product type: LMR 300

Construction :

Item Material
Diameter (mm)
Inner Conductor Bare Copper

1.78

Dielectric Foam PE

4.83

First Shield Bonded Aluminum Foil

4.98

Second Shield Tinned Copper wire Braid

5.72

Jacket PE (Black)

7.62

Electrical:

Impedance (Ω) 50±3
Capacitance (pF/m) 78.4
Velocity of Propagation (%) 85.0
Return Loss ≥ 20
Screening Effectiveness (dB) ≥ 90
DC Resistance(Ω/KM)
Inner Conductor 7.0
Outer Conductor 7.3
Voltage withstand (Volts DC) 2000.0
Installation Temp. (ºC) -40 to +85
Operating Temp. (ºC) -40 to +85
Attenuation ( @ 20 ºC )
Frequency (MHz) Max Attenuation (dB/100mm)
30 3.5
50 4.5
150 7.9
220 9.6
450 13.8
900 19.9
1500 26.0
1800 28.7
2000 30.3
2500 34.2
5800 54.2