Product Hierarchy
Product Hierarchy

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

179DT-Serial Digital Coax, Ultra-miniatu

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

Environmental Space: Indoor - Riser
Suitable Applications: Broadcast Mobil Trucks, Digital Video, Precision Video, Telecommunications

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Coax
28.5SolidBC - Bare Copper0.0122 in1
Conductor Count: 1
Conductor Size: 28.5 AWG
MaterialNominal Diameter
Gas-injected FHDPE - Foam High Density Polyethylene0.056 in
Outer Shield Material
TypeLayerMaterialMaterial Trade NameCoverage [%]
Tape1Aluminum/Polyester/AluminumDuofoil®100 %
Braid2TC - Tinned Copper95 %
Outer Jacket Material
MaterialNominal Diameter
PVC - Polyvinyl Chloride0.1 in

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Outer Shield DCROuter Conductor DCR
70.5 Ohm/1000ft8 Ohm/1000ft8 Ohm/1000ft
Nom. Capacitance Conductor to Shield
17.4 pF/ft
Nominal Inductance
0.106 µH/ft
Nominal Characteristic Impedance
75 Ohm
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) [%]
1.32 ns/ft77 %
UL Voltage Rating
300 V RMS

Temperature Range

UL Temp Rating: 75°C
Operating Temp Range: -20°C To +75°C

Mechanical Characteristics

Bulk Cable Weight: 8 lbs/1000ft
Max Recommended Pulling Tension: 18 lbs
Min Bend Radius/Minor Axis: 1 in


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

Applicable Environmental and Other Programs

EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/96/EC (BFR): Yes
EU Directive 2011/65/EU (ROHS II): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU: Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2004-01-01
CA Prop 65 (CJ for Wire & Cable): Yes
MII Order #39 (China RoHS): Yes


Suitability - Aerial: No
Suitability - Indoor: Yes
Suitability - Outdoor: No

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1666 Vertical Shaft
UL voltage rating: 300 V RMS


Plenum (Y/N): No

Part Number

Item #ColorFootnote
179DT 0101000Black
179DT 010500Black
179DT 0061000Blue, Light
179DT 0011000Brown
179DT 0081000GrayC
179DT N3U1000Green, MilC
179DT 0031000OrangeC
179DT 0021000RedC
179DT 0071000Violet
179DT 0091000White
179DT 0041000YellowC
Footnote: C - CRATE REEL PUT-UP.
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
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