CNT-300
CNT-300, CNT® 50 Ohm Braided Coaxial Cable, black PE jacket
Product Classification
Product Type Braided coaxial cable
Product Brand CNT®
Product Series CNT-300
General Specifications
Braid Coverage 87 %
Cable Type CNT-300
Jacket Color Black
Dimensions
Diameter Over Dielectric 4.83 mm | 0.19 in
Diameter Over Jacket 7.62 mm | 0.3 in
Diameter Over Tape 5.003 mm | 0.197 in
Inner Conductor OD 1.78 mm | 0.07 in
Outer Conductor OD 5.66 mm | 0.223 in
Nominal Size 0.300 in
Electrical Specifications
Cable Impedance 50 ohm
Capacitance 80.4 pF/m | 24.506 pF/ft
dc Resistance, Inner Conductor 6.96 ohms/km | 2.121 ohms/kft
dc Resistance, Outer Conductor 8.5 ohms/km | 2.591 ohms/kft
dc Test Voltage 2500 V
Jacket Spark Test Voltage (rms) 3500 V
Maximum Frequency 24.5 GHz
Page 1 of 3
©2020 CommScope, Inc. All rights reserved. All trademarks identified by ® or ™ are registered trademarks,
respectively, of CommScope. All specifications are subject to change without notice. See www.commscope.com for the
most current information. Revised: January 15, 2020
CNT-300
Operating Frequency Band 30 – 6000 MHz
Peak Power 10 kW
Shielding Effectiveness 90 dB
Velocity 83 %
Attenuation
Frequency (MHz) Attenuation (dB/100 m) Attenuation (dB/100 ft)
30.0 3.8 1.16
50.0 4.9 1.5
150.0 7.9 2.4
220.0 9.5 2.9
450.0 13.1 4
900.0 19.4 5.9
1500.0 25.3 7.7
1800.0 28.2 8.6
2000.0 29.8 9.1
2500.0 33.8 10.3
3000.0 37.4 11.4
4000.0 44.61 13.6
4500.0 47.75 14.55
5000.0 50.52 15.4
5200.0 51.83 15.8
5500.0 53.14 16.2
5800.0 54.78 16.7
6000.0 55.8 17
Material Specifications
Braid Material Tinned copper
Dielectric Material Foam PE
Jacket Material PE
Inner Conductor Material Copper
Shield Tape Material Aluminum
Mechanical Specifications
Minimum Bend Radius, single Bend 0.88 in | 22.352 mm
Tensile Strength 55 kg | 121.254 lb
Page 2 of 3
©2020 CommScope, Inc. All rights reserved. All trademarks identified by ® or ™ are registered trademarks,
respectively, of CommScope. All specifications are subject to change without notice. See www.commscope.com for the
most current information. Revised: January 15, 2020
CNT-300
Bending Moment 0.5 N-m | 4.425 in lb
Flat Plate Crush Strength 0.5 kg/mm | 27.999 lb/in
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)
Packaging and Weights
Cable weight 0.06 kg/m | 0.434 lb/ft
Packaging Type Reel
Regulatory Compliance/Certifications
Agency Classification
ISO 9001:2015 Designed, manufactured and/or distributed under this quality management system
Page 3 of 3
©2020 CommScope, Inc. All rights reserved. All trademarks identified by ® or ™ are registered trademarks,
respectively, of CommScope. All specifications are subject to change without notice. See www.commscope.com for the
most current information. Revised: January 15, 2020
