Product Number: H121A01

H121A01 - Broadband Coax, H121, 20 AWG Solid BC, Foil + 45% TC Braid, PE Jkt

Broadband Coax, H121, 20 AWG Solid Bare Copper Conductor, PE Insulation, Duofoil® + 45% Tinned Copper Braid Shield, PE Jacket

Availability: EMEA | Asia Pacific
Status: Discontinued
Orderable items: 2

Ships from and sold by A5 IT.

Part numbers

H121A01 is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.

Item #	Color	Putup Type	Length	EAN	Order
H121A01.00B100	Black	Reel	100 m	8719605085597	Order online
H121A01.00500	Black	Reel	500 m	8719605085573	Order online

Specifications

Product Overview

Suitable Applications	Broadband, Cable Television (CATV), RF drop cable, Over-The-Air (OTA) antennas

Product Life Cycle

Life Cycle	Discontinued - the product is no longer manufactured

Construction Details

RG Type	59
Series Type	59
Outer Jacket1 Table Notes	According to European Standard EN 50290-2-20

Conductor

No. of Elements	1
Size	21 AWG
Stranding	Solid
Nom. Diameter	0.8 mm
Material	BC - Bare Copper

Insulation

Element	Insulated Conductor
Material	PE - Polyethylene (Foam)
Nom. Insulation Diameter	3.5 mm (0.14 in)

Outer Shield

Layer	Outer Shield Type	Material	Coverage
1	Tape	Tri-Laminate (Alum+Poly+Alum)	100%
2	Braid	Tinned Copper (TC)	40%

Outer Jacket

Material	PE - Polyethylene
Nom. Diameter	5 mm

Electrical Characteristics

Regularity of Impedance	Min. 40 dB
Return Loss Table Notes	In each frequency band, 3 peak values up to 4 dB lower are allowed
Attenuation Table Notes	Max. attenuation 10% higher
Screening Class	C

Return Loss

Frequency	Min. Return Loss
5 - 470 MHz	20 dB
470 - 1000 MHz	18 dB
1000 - 2000 MHz	16 dB
2000-3000 MHz	15 dB

Attenuation

Frequency	Nom. Attenuation
5 MHz	2.3 dB/100m
50 MHz	5.9 dB/100m
100 MHz	8.1 dB/100m
230 MHz	12.1 dB/100m
400 MHz	15.9 dB/100m
800 MHz	22.7 dB/100m
862 MHz	23.6 dB/100m
1000 MHz	25.6 dB/100m
1350 MHz	30 dB/100m
1750 MHz	34.5 dB/100m
2150 MHz	39.6 dB/100m
2400 MHz	41 dB/100m
3000 MHz	45.9 dB/100m

Electricals

Max. Conductor DCR	35 Ohm/km (11 Ohm/1000ft)
Nom. Outer Shield DCR	40 Ohm/km (12 Ohm/1000ft)
Nom. Capacitance Cond-to-Shield	53 pF/m (16 pF/ft)
Nom. Characteristic Impedance	75 Ohm
Nom. Velocity of Prop.	84%

Transfer Impedance

Frequency	5-30 MHz
Max. Transfer Impedance	Max. 50 mOhm/m

Screening

Frequency	Min. Screening Attenuation
30 - 1000 MHz	75 dB
1000 - 2000 MHz
2000 - 3000 MHz

Mechanical Characteristics

Temperature

Operating	-40°C To +70°C
Installation	-5°C To +50°C
Storage	-40°C To +70°C

Bend Radius

Stationary Min.	25 mm (0.98 in)

Standards and Compliance

Environmental Suitability	Outdoor
CENELEC Compliance	EN 50117-1, EN 50117-10-2, EN 50290-2-20
European Directive Compliance	EU CE Mark

History

Update and Revision	Revision Number: 0.246 Revision Date: 02-20-2026

Resources

Belden H121A01 technical datasheet Belden CATV Drop Cable Belden Ready-to-Install Metal Sheathed Communication Cable Belden CATV Multicore FRNC Cable Date: 1998-01-01

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