Product Hierarchy
Product Hierarchy

1794A - Serial Digital Coax, RG7 Type, #16 Solid BC, Foil + 95% TC braid, CMR

Low Loss Serial Digital Coax, Riser-CMR, 16 AWG solid bare copper conductor, foam HDPE core, Beldfoil, +95% tinned copper braid, Duofoil, PVC jacket

Product Overview

Suitable Applications: SMPTE 2081-1 6 Gb/s UHDTV, SMPTE 424M 3 Gb/s HD-SDI 1080p

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Coax
16SolidBC - Bare Copper0.051 in1
Conductor Count: 1
MaterialNominal Diameter
PE - Polyethylene (Foam)0.225 in
Insulation, Table Note: Gas Injected
Outer Shield Material
TypeLayerMaterialMaterial Trade NameCoverage [%]
Tape1Alum / Poly / AlumDuofoil®100 %
Braid2TC - Tinned Copper95 %
Tape3Alum / PolyBeldfoil® with shorting fold100 %
Outer Jacket Material
MaterialNominal Diameter
PVC - Polyvinyl Chloride0.32 in

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Outer Shield DCR
4.0 Ohm/1000ft1.9 Ohm/1000ft
Nom. Capacitance Conductor to Shield
16.1 pF/ft
Nominal Inductance
0.091 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 MHz0.17 dB/100ft
3.58 MHz0.30 dB/100ft
5 MHz0.35 dB/100ft
6 MHz0.38 dB/100ft
7 MHz0.40 dB/100ft
10 MHz0.48 dB/100ft
12 MHz0.52 dB/100ft
25 MHz0.74 dB/100ft
55 MHz1.08 dB/100ft
67.5 MHz1.20 dB/100ft
71.5 MHz1.24 dB/100ft
88.5 MHz1.37 dB/100ft
100 MHz1.46 dB/100ft
135 MHz1.70 dB/100ft
143 MHz1.75 dB/100ft
180 MHz1.97 dB/100ft
270 MHz2.43 dB/100ft
360 MHz2.83 dB/100ft
540 MHz3.60 dB/100ft
720 MHz4.20 dB/100ft
750 MHz4.30 dB/100ft
1000 MHz5.00 dB/100ft
1500 MHz6.20 dB/100ft
2000 MHz7.40 dB/100ft
2250 MHz7.80 dB/100ft
3000 MHz9.20 dB/100ft
4500 MHz11.70 dB/100ft
6000 MHz13.77 dB/100ft
Nominal DelayNominal Velocity of Propagation (VP) [%]
1.21 ns/ft84 %
UL Voltage Rating
300 V RMS
Electrical Characteristics Notes: TDR Impedance: 75 +/- 3 Ohms
Other Electrical Characteristic 2: Return Loss: Fixed bridge and termination

Temperature Range

Operating Temp Range: -30°C To +75°C

Mechanical Characteristics

UV Resistance: Yes
Bulk Cable Weight: 59 lbs/1000ft
Max Recommended Pulling Tension: 111 lbs
Min Bend Radius/Minor Axis: 3.25 in


NEC/(UL) Specification: CMR
CEC/C(UL) Specification: CMG
CPR Euroclass: Eca
RG Type: 7/U Type
Series Type: Series 7

Applicable Environmental and Other Programs

Environmental Space: Indoor/Outdoor
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
MII Order #39 (China RoHS): Yes


Suitability - Aerial: Yes - Black only, when supported by messenger wire
Suitability - Burial: No
Suitability - Indoor: Yes
Suitability - Outdoor: Yes - Black only

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1666 Vertical Shaft
CSA Flammability: FT4
ISO/IEC Flammability: IEC 60332-1-2
UL voltage rating: 300 V RMS


Plenum (Y/N): No

Part Number

Item #ColorPutup TypeLengthUPC
1794A 0101000BlackReel1,000 ft612825357582
1794A 010N1000BlackReel w/Small Barrel1,000 ft
1794A 0102500BlackReel2,500 ft612825438212
1794A 0061000Blue, LightReel1,000 ft612825358619
1794A 0011000BrownReel1,000 ft612825357513
1794A 0081000GrayReel1,000 ft612825357568
1794A N3U1000Green, MilReel1,000 ft612825357506
1794A 0031000OrangeReel1,000 ft612825357537
1794A 0021000RedReel1,000 ft612825357520
1794A 0071000VioletReel1,000 ft612825357551
1794A 0091000WhiteReel1,000 ft612825357575
1794A 0041000YellowReel1,000 ft612825357544
Footnote: C - CRATE REEL PUT-UP.

Product Notes

Notes: Also availible in multi-coax bundled version. See 2177A. Print legend includes sequential footage marks.


Update and Revision: Revision Number: 0.275 Revision Date: 04-28-2020
Date: 2004-01-01
Broadcast Solutions Guide
TB65: Digital Studio Cable Guide
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