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
  HomeProuductsCoaxial Cables

M17/111-RG303 (RG303/U) Coaxial Cables

Construction

Inner conductor  Silver plated copper clad steel   Φ0.94 mm 
Dielectric  PTFE  Φ2.95 mm 
Outer conductor (shield)  Silver plated copper  112 x 0.13 mm 
Shield coverage  95%
Sheath  FEP  Φ4.32 mm 

Electrical & Mechanical Characteristics

Impedance  50±3 Ohm 
Nominal capacitance  94 pF/m 
Velocity of propagation  70%
Insulation resistance  >2000 Mohm.Km 
Inner conductor resistance  63.5 Ohm/Km 
Outer conductor resistance  7.5 Ohm/Km 
Test/Operatig Voltage(max)  5.0 KV/1.9 KV 
Operating temperature range  -55 °C - +200 °C 
Copper Weight  - KG/Km
Cable weight (approx.)  45 Kg/Km 
Screening effectiveness  60 dB 

Attenuation

Frequency (MHz)  Attenuation (dB/100 m)  Attenuation (dB/100ft) 
50 8.9 2.71
100 12.8 3.9
200 18.4 5.61
400 25.8 7.87
700 36.1 11.01
900 41 12.5
1000 44.3 13.51
1500 52.3 15.95
2000 61.4 18.72
3000 82 25

Return Loss

30-300 MHz  >31dB
300-600 MHz  >26dB
600-900 MHz  >23dB