Product Hierarchy
Product Hierarchy

179DT - Serial Digital Coax, Ultra-miniature, RG179 Type, 28.5 AWG Solid BC, Foil + TC Braid, CMR

Low Loss Serial Digital Coax, Riser-CMR, Ultra-miniature, RG-179/U, 28.5 AWG solid bare copper conductor, foam HDPE core, Duofoil, + 95% tinned copper braid, PVC jacket

Product Overview

Suitable Applications: Broadcast Mobil Trucks, Digital Video, Precision Video, Telecommunications

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Coax
28.5SolidBC - Bare Copper0.012 in1
Conductor Count: 1
MaterialNominal Diameter
PE - Polyethylene (Foam)0.056 in
Table Notes: Gas Injected
Outer Shield
TypeLayerMaterialMaterial Trade NameCoverage [%]
Tape1Tri-Laminate (Alum+Poly+Alum)Duofoil®100%
Braid2Tinned Copper (TC)95%
Outer Jacket
MaterialNominal Diameter
PVC - Polyvinyl Chloride0.1 in

Electrical Characteristics

Conductor DCR
Nominal Conductor DCROuter Conductor DCR
70.5 Ohm/1000ft8 Ohm/1000ft
Nom. Capacitance Conductor to Shield
17.4 pF/ft
Nominal Inductance
0.106 µH/ft
Nominal Characteristic Impedance
75 Ohm
Return Loss (RL)
Frequency [MHz]Minimum Return (RL)
5 - 1600 MHz23 dB
1600 - 4500 MHz21 dB
4500 - 6000 MHz15 dB
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
1 MHz1.18 dB/100ft
5 MHz1.85 dB/100ft
6 MHz1.99 dB/100ft
7 MHz2.15 dB/100ft
10 MHz2.39 dB/100ft
12 MHz2.5 dB/100ft
67.5 MHz5.3 dB/100ft
71.5 MHz5.5 dB/100ft
88.5 MHz6 dB/100ft
100 MHz6.4 dB/100ft
135 MHz7.2 dB/100ft
143 MHz7.5 dB/100ft
180 MHz8.3 dB/100ft
270 MHz10.2 dB/100ft
360 MHz11.8 dB/100ft
540 MHz14.6 dB/100ft
720 MHz17 dB/100ft
750 MHz17.4 dB/100ft
1000 MHz20.2 dB/100ft
1500 MHz24.8 dB/100ft
2000 MHz28.9 dB/100ft
2250 MHz30.9 dB/100ft
3000 MHz35.9 dB/100ft
4500 MHz45 dB/100ft
6000 MHz58 dB/100ft
Nominal DelayNominal Velocity of Propagation (VP) [%]
1.29 ns/ft79%
UL Voltage Rating
300 V RMS

Temperature Range

UL Temp Rating: 75°C
Operating Temperature Range: -30°C To +75°C

Mechanical Characteristics

UV Resistance: No
Bulk Cable Weight: 8 lbs/1000ft
Max. Pull Tension: 14 lbs
Min. Bend Radius/Minor Axis: 1 in


NEC/(UL) Compliance: CMR
CEC/C(UL) Compliance: CMG
CPR Euroclass: Eca
RG Type: 179

Applicable Environmental and Other Programs

Environmental Space: Indoor - Riser
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/96/EC (BFR): Yes
EU Directive 2011/65/EU (RoHS 2): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU (RoHS 2 amendment): Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
MII Order #39 (China RoHS): Yes


Suitability - Aerial: No
Suitability - Burial: No
Suitability - Hazardous Locations: No
Suitability - Indoor: Yes
Suitability - Outdoor: No

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1666 Vertical Shaft
IEC Flammability: IEC 60332-1-2
Other Flammability: UN ECE R118.02
UL voltage rating: 300 V RMS


Plenum (Y/N): No

Related Part Numbers

Item #ColorPut-Up TypeLengthUPC
179DT 010500BlackReel500 ft612825358558
179DT 0101000BlackReel1,000 ft612825358534
179DT 0108200BlackReel8,200 ft612825440390
179DT 0061000Blue, LightReel1,000 ft612825358541
179DT 0011000BrownReel1,000 ft612825357032
179DT 0081000GrayReel1,000 ft612825356981
179DT N3U1000Green, MilReel1,000 ft612825357049
179DT 0031000OrangeReel1,000 ft612825357018
179DT 0021000RedReel1,000 ft612825357025
179DT 0071000VioletReel1,000 ft612825356998
179DT 0091000WhiteReel1,000 ft612825356974
179DT 0041000YellowReel1,000 ft612825357001
Footnote: C - CRATE REEL PUT-UP.


Update and Revision: Revision Number: 0.359 Revision Date: 04-08-2022
Date: 2004-01-01
Application Report: Dome Productions Equips Advanced Mobile Digital Broadcast Truck with Belden Brilliance Cabling
Broadcast Solutions Guide
TB65: Digital Studio Cable Guide
Inst. Instr. HD 3P BNC Rev.4.20JAN2021.pdf
No accessories are available for this product