Product Number: 83265

Mil-Spec Coax, 50 Ohm, RG-178, 30 AWG Str SCCS, 95% SC Braid, FEP Jkt, Commercial Non-QPL

Mil-Spec Coax, 50 Ohm, RG-178, 30 AWG (7x38) Silvered Copper Covered Steel Conductor, PTFE Insulation, 95% Silvered Copper Braid Shield, FEP Jacket, Commercial, non-QPL

Availability: Global
Status: Active
Orderable items: 3

Ships from and sold by A5 IT.

Part numbers

83265 is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.

Item #	Color	Putup Type	Length	UPC	Footnote	Order
83265 009100	White	Reel	100 ft	612825203698	E	Order online
83265 009500	White	Reel	500 ft	612825203711	E	Order online
83265 0091000	White	Reel	1,000 ft	612825203704	E	Order online

Specifications

Product Overview

Suitable Applications	Aerospace wireless communication

Construction Details

RG Type	178
Overall Cable Diameter (Nominal)	0.071 in (1.8 mm)

Conductor

Size	30 AWG
Stranding	7x38
Nom. Diameter	0.012 in
Material	SCCS - Silvered Copper Covered Steel

Insulation

Material	PTFE - Polytetrafluoroethylene
Nom. Insulation Diameter	0.033 in (0.84 mm)
Color Code	White

Outer Shield

Layer	1
Outer Shield Type	Braid
Material	Silvered Copper (SC)
Coverage	95%

Outer Jacket

Material	FEP - Fluorinated Ethylene Propylene
Nom. Diameter	0.071 in (1.8 mm)

Electrical Characteristics

VSWR

Frequency	50 MHz - 1000 MHz
Max. VSWR	per M17/93-RG178

Attenuation

Frequency	Nom. Attenuation
1 MHz	2.6 dB/100ft
10 MHz	5.6 dB/100ft
50 MHz	10.5 dB/100ft
100 MHz	14.0 dB/100ft
200 MHz	19.0 dB/100ft
400 MHz	28.0 dB/100ft
700 MHz	37.0 dB/100ft
900 MHz	42.5 dB/100ft
1000 MHz	46.0 dB/100ft

Power Rating

Frequency	Max. Power Rating
50 MHz	380 W
100 MHz	253 W
200 MHz	170 W
400 MHz	113 W
700 MHz	81 W
900 MHz	70 W
1,000 MHz	66 W

Electricals

Nom. Conductor DCR	232 Ohm/1000ft (761 Ohm/km)
Nom. Outer Shield DCR	14.6 Ohm/1000ft (47.9 Ohm/km)
Nom. Capacitance Cond-to-Shield	29 pF/ft (95 pF/m)
Nom. Characteristic Impedance	50 Ohm
Nom. Velocity of Prop.	70%

Voltage

UL Voltage Rating	30 V (UL AWM 1637)
Voltage Rating	750 V (Mil-Spec)

Mechanical Characteristics

Max. Pull Tension	12 lbs (5.4 kg)
Bulk Cable Weight	5 lbs/1000ft

Temperature

UL Temperature	90°C (UL AWM 1637)
Operating	-70°C to +200°C

Bend Radius

Installation Min.	1 in (25 mm)

Standards and Compliance

Environmental Suitability	Indoor/Outdoor, Indoor, Outdoor, Aerial - When supported by messenger wire
Sustainability	CA Prop 65
AWM Compliance	AWM 1637
Military Compliance	Commercial, non-QPL product (M17/93-RG178)
European Directive Compliance	EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), REACH, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
APAC Compliance	China RoHS II (GB/T 26572-2011)

History

Update and Revision	Revision Number: 0.506 Revision Date: 02-20-2026
Footnote	E - MAY CONTAIN MORE THAN 1 PIECE. MINIMUM LENGTH OF ANY ONE PIECE IS 25'.

Resources

Belden 83265 technical datasheet Low Loss Coax DAS Application Guide Ranplan Design iBwave Design IBWave and Ranplan Instructions The Future is Bringing DAS to your Building 12 GHz Exploring—4K Coax Cable Technology Date: 2005-04-01

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