Product Hierarchy
Product Hierarchy

1855P - Serial Digital Coax, Sub-miniature, #23 Solid BC, Foil + 95% TC braid, CMP

1855P-Serial Digital Coax, Sub-miniature

Low Loss Serial Digital Coax, Plenum-CMP, Sub-Miniature 23 AWG solid bare copper conductor, foam FEP core, Duofoil®, +95% tinned copper braid, Flamarrest® jacket

Product Overview

Environmental Space: Indoor/Outdoor
Suitable Applications: SDI/HDTV Digital Video, High Definition (HD), Standard Definition (SDI) and Digital Audio Equipment in Professional & Commercial Applications such as TV Stations, Stadiums & Arenas, Convention Center, and other large facilities requiring high quality digital video transmissions, Plenum Applications

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Coax
23SolidBC - Bare Copper0.023 in1
Conductor Count: 1
AWG Size: 23
MaterialNominal Diameter
Gas-injected FEP - Foam Florinated Ethylene Propylene0.102 in
Outer Shield Material
TypeLayerMaterialMaterial Trade NameCoverage [%]
Tape1Aluminum Foil-Polyester Tape-Aluminum FoilDuofoil®100 %
Braid2TC - Tinned Copper95 %
Outer Jacket Material
MaterialMaterial Trade NameNominal Diameter
LS PVC - Low Smoke Polyvinyl ChlorideFlamarrest®0.159 in

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Outer Shield DCR
20.1 Ohm/1000ft3.7 Ohm/1000ft
Nom. Capacitance Conductor to Shield
16.6 pF/ft
Nominal Inductance
0.3 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 MHz0.38 dB/100ft
3.6 MHz0.76 dB/100ft
10 MHz1.3 dB/100ft
71.5 MHz3.1 dB/100ft
135 MHz4.1 dB/100ft
270 MHz5.8 dB/100ft
360 MHz6.9 dB/100ft
540 MHz8.7 dB/100ft
720 MHz10.3 dB/100ft
750 MHz10.5 dB/100ft
1000 MHz12.4 dB/100ft
1500 MHz15.7 dB/100ft
2250 MHz19.9 dB/100ft
3000 MHz23.8 dB/100ft
4500 MHz30.3 dB/100ft
6000 MHz36.4 dB/100ft
Nominal DelayNominal Velocity of Propagation (VP) [%]
1.27 ns/ft80 %
UL Voltage Rating
300V RMS
Electrical Characteristics Notes: Return Loss: Fixed bridge and termination

Temperature Range

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

Mechanical Characteristics

UV Resistance: No
Bulk Cable Weight: 21 lbs/1000ft
Max Recommended Pulling Tension: 40 lbs
Min Bend Radius/Minor Axis: 1.5 in


NEC/(UL) Specification: CMP
CEC/C(UL) Specification: CMP
CPR Euroclass: Eca
RG Type: Mini RG-59/U Type

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 Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2008-03-28
CA Prop 65 (CJ for Wire & Cable): Yes
MII Order #39 (China RoHS): Yes


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

Flammability, LS0H, Toxicity Testing

UL Flammability: NFPA 262
CSA Flammability: FT6

Part Number

Plenum (Y/N): Yes
Non-Plenum Number: 1855A
Suggested Connectors: BNC - Kings 2065-11-9
Item #Color
1855P 0101000BLACK
1855P 0061000BLUE, LIGHT
1855P 0011000BROWN
1855P 0081000GRAY
1855P N3U1000GREEN, MIL
1855P 8771000NATURAL
1855P 0031000ORANGE
1855P 0021000RED
1855P 0071000VIOLET
1855P 0041000YELLOW

Product Notes

Notes: Print legend includes sequential footage marks.
Date: 2008-03-28
Broadcast Solutions Guide
TB65: Digital Studio Cable Guide