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LDF4RKP-50A-136 | 520092502/00

LDF4-50A, HELIAX® Low Density Foam Coaxial Cable, corrugated copper, 1/2 in, black non-halogenated, tested for RL in the DOD, CBRS, LAA, and C-bands. Riser rated CPR B2ca-s1a-d1, a1 please reference the website for updated classification.

Specifications
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Product Classification

Product Type Coaxial wireless cable
Product Brand HELIAX® | SureFlex®
Product Series LDF4-50A
Ordering Note CommScope® standard product in Asia Pacific | CommScope® standard product in Europe, the Middle East, and Africa

General Specifications

Flexibility Standard
Jacket Color Black
Performance Note Attenuation values typical, guaranteed within 5%

Dimensions

Diameter Over Dielectric 12.954 mm | 0.51 in
Diameter Over Jacket 16.002 mm | 0.63 in
Inner Conductor OD 4.826 mm | 0.19 in
Outer Conductor OD 13.97 mm | 0.55 in
Nominal Size 1/2 in

Electrical Specifications

Cable Impedance 50 ohm ±1 ohm
Capacitance 75.8 pF/m | 23.104 pF/ft
dc Resistance, Inner Conductor 1.48 ohms/km | 0.451 ohms/kft
dc Resistance, Outer Conductor 2.69 ohms/km | 0.82 ohms/kft
dc Test Voltage 4000 V
Inductance 0.19 µH/m | 0.058 µH/ft
Insulation Resistance 100000 MOhms-km
Jacket Spark Test Voltage (rms) 5000 V
Operating Frequency Band 1 – 8800 MHz
Peak Power 40 kW
Velocity 88 %

Attenuation

Attenuation

Frequency Attenuation (dB/100 m) Attenuation (dB/100 ft) Average Power (kW)
1.0 MHz 0.211 0.064 36.11
1.5 MHz 0.259 0.079 29.46
2.0 MHz 0.299 0.091 25.50
10.0 MHz 0.672 0.205 11.35
20.0 MHz 0.954 0.291 7.99
30.0 MHz 1.172 0.357 6.51
50.0 MHz 1.521 0.463 5.02
85.0 MHz 1.995 0.608 3.82
88.0 MHz 2.031 0.619 3.76
100.0 MHz 2.169 0.661 3.52
108.0 MHz 2.256 0.688 3.38
150.0 MHz 2.673 0.815 2.85
174.0 MHz 2.887 0.880 2.64
200.0 MHz 3.103 0.946 2.46
204.0 MHz 3.135 0.956 2.43
300.0 MHz 3.835 1.169 1.99
400.0 MHz 4.462 1.360 1.71
450.0 MHz 4.749 1.447 1.61
460.0 MHz 4.804 1.464 1.59
500.0 MHz 5.021 1.530 1.52
512.0 MHz 5.085 1.550 1.50
600.0 MHz 5.533 1.686 1.38
700.0 MHz 6.009 1.831 1.27
800.0 MHz 6.456 1.968 1.18
824.0 MHz 6.560 1.999 1.16
894.0 MHz 6.855 2.089 1.11
960.0 MHz 7.124 2.171 1.07
1000.0 MHz 7.284 2.220 1.05
1218.0 MHz 8.110 2.472 0.94
1250.0 MHz 8.226 2.507 0.93
1500.0 MHz 9.093 2.771 0.84
1700.0 MHz 9.744 2.970 0.78
1794.0 MHz 10.039 3.060 0.76
1800.0 MHz 10.058 3.066 0.76
2000.0 MHz 10.666 3.251 0.72
2100.0 MHz 10.961 3.341 0.70
2200.0 MHz 11.251 3.429 0.68
2300.0 MHz 11.535 3.516 0.66
2500.0 MHz 12.090 3.685 0.63
2700.0 MHz 12.627 3.849 0.60
3000.0 MHz 13.407 4.086 0.57
3400.0 MHz 14.401 4.389 0.53
3600.0 MHz 14.882 4.536 0.51
3700.0 MHz 15.118 4.608 0.50
3800.0 MHz 15.353 4.679 0.50
3900.0 MHz 15.585 4.750 0.49
4000.0 MHz 15.815 4.820 0.48
4100.0 MHz 16.042 4.889 0.48
4200.0 MHz 16.268 4.958 0.47
4300.0 MHz 16.492 5.027 0.46
4400.0 MHz 16.714 5.094 0.46
4500.0 MHz 16.934 5.161 0.45
4600.0 MHz 17.153 5.228 0.44
4700.0 MHz 17.370 5.294 0.44
4800.0 MHz 17.585 5.360 0.43
4900.0 MHz 17.798 5.425 0.43
5000.0 MHz 18.010 5.489 0.42
6000.0 MHz 20.055 6.113 0.38
8000.0 MHz 23.826 7.262 0.32
8800.0 MHz 25.244 7.694 0.30

Return Loss/VSWR

Frequency Band VSWR Return Loss (dB)
450–698 MHz 1.288 18.00
617–698 MHz 1.288 18.00
680–800 MHz 1.130 24.30
698–960 MHz 1.130 24.30
800–960 MHz 1.130 24.30
1700–2000 MHz 1.130 24.30
2000–2200 MHz 1.130 24.30
2300–2700 MHz 1.130 24.30
2300–2500 MHz 1.150 23.30
3450–4200 MHz 1.253 18.99
4200–4800 MHz 1.377 15.99
5150–5925 MHz (502) 1.377 15.99

Material Specifications

Dielectric Material Foam PE
Jacket Material Non-halogenated, fire retardant polyolefin
Inner Conductor Material Copper-clad aluminum wire
Outer Conductor Material Corrugated copper

Mechanical Specifications

Minimum Bend Radius, multiple Bends 127 mm | 5 in
Minimum Bend Radius, Single Bend 50.8 mm | 2 in
Number of Bends, minimum 15
Number of Bends, typical 50
Tensile Strength 113 kg | 249.122 lb
Bending Moment 3.8 N-m | 33.633 in lb
Flat Plate Crush Strength 2 kg/mm | 111.995 lb/in

Environmental Specifications

Installation temperature -40 °C to +60 °C (-40 °F to +140 °F)
Operating Temperature -40 °C to +60 °C (-40 °F to +140 °F)
Storage Temperature -40 °C to +60 °C (-40 °F to +140 °F)
Attenuation, Ambient Temperature 20 °C | 68 °F
Average Power, Ambient Temperature 40 °C | 104 °F
Average Power, Inner Conductor Temperature 100 °C | 212 °F
EN50575 CPR Cable EuroClass Fire Performance B2ca
EN50575 CPR Cable EuroClass Smoke Rating s1a
EN50575 CPR Cable EuroClass Droplets Rating d1
EN50575 CPR Cable EuroClass Acidity Rating a1
Fire Retardancy Test Method IEC 60332-1-2 | NFPA 130-2010 | UL 1666/CATVR/CMR
Smoke Index Test Method IEC 61034
Toxicity Index Test Method IEC 60754-1 | IEC 60754-2

Packaging and Weights

Cable weight 0.25 kg/m | 0.168 lb/ft

Product Classification

Product Type Coaxial wireless cable
Product Brand HELIAX® | SureFlex®
Product Series LDF4-50A
Ordering Note CommScope® standard product in Asia Pacific | CommScope® standard product in Europe, the Middle East, and Africa

General Specifications

Flexibility Standard
Jacket Color Black
Performance Note Attenuation values typical, guaranteed within 5%

Dimensions

Diameter Over Dielectric 12.954 mm | 0.51 in
Diameter Over Jacket 16.002 mm | 0.63 in
Inner Conductor OD 4.826 mm | 0.19 in
Outer Conductor OD 13.97 mm | 0.55 in
Nominal Size 1/2 in

Electrical Specifications

Cable Impedance 50 ohm ±1 ohm
Capacitance 75.8 pF/m | 23.104 pF/ft
dc Resistance, Inner Conductor 1.48 ohms/km | 0.451 ohms/kft
dc Resistance, Outer Conductor 2.69 ohms/km | 0.82 ohms/kft
dc Test Voltage 4000 V
Inductance 0.19 µH/m | 0.058 µH/ft
Insulation Resistance 100000 MOhms-km
Jacket Spark Test Voltage (rms) 5000 V
Operating Frequency Band 1 – 8800 MHz
Peak Power 40 kW
Velocity 88 %

Attenuation

Attenuation

Frequency Attenuation (dB/100 m) Attenuation (dB/100 ft) Average Power (kW)
1.0 MHz 0.211 0.064 36.11
1.5 MHz 0.259 0.079 29.46
2.0 MHz 0.299 0.091 25.50
10.0 MHz 0.672 0.205 11.35
20.0 MHz 0.954 0.291 7.99
30.0 MHz 1.172 0.357 6.51
50.0 MHz 1.521 0.463 5.02
85.0 MHz 1.995 0.608 3.82
88.0 MHz 2.031 0.619 3.76
100.0 MHz 2.169 0.661 3.52
108.0 MHz 2.256 0.688 3.38
150.0 MHz 2.673 0.815 2.85
174.0 MHz 2.887 0.880 2.64
200.0 MHz 3.103 0.946 2.46
204.0 MHz 3.135 0.956 2.43
300.0 MHz 3.835 1.169 1.99
400.0 MHz 4.462 1.360 1.71
450.0 MHz 4.749 1.447 1.61
460.0 MHz 4.804 1.464 1.59
500.0 MHz 5.021 1.530 1.52
512.0 MHz 5.085 1.550 1.50
600.0 MHz 5.533 1.686 1.38
700.0 MHz 6.009 1.831 1.27
800.0 MHz 6.456 1.968 1.18
824.0 MHz 6.560 1.999 1.16
894.0 MHz 6.855 2.089 1.11
960.0 MHz 7.124 2.171 1.07
1000.0 MHz 7.284 2.220 1.05
1218.0 MHz 8.110 2.472 0.94
1250.0 MHz 8.226 2.507 0.93
1500.0 MHz 9.093 2.771 0.84
1700.0 MHz 9.744 2.970 0.78
1794.0 MHz 10.039 3.060 0.76
1800.0 MHz 10.058 3.066 0.76
2000.0 MHz 10.666 3.251 0.72
2100.0 MHz 10.961 3.341 0.70
2200.0 MHz 11.251 3.429 0.68
2300.0 MHz 11.535 3.516 0.66
2500.0 MHz 12.090 3.685 0.63
2700.0 MHz 12.627 3.849 0.60
3000.0 MHz 13.407 4.086 0.57
3400.0 MHz 14.401 4.389 0.53
3600.0 MHz 14.882 4.536 0.51
3700.0 MHz 15.118 4.608 0.50
3800.0 MHz 15.353 4.679 0.50
3900.0 MHz 15.585 4.750 0.49
4000.0 MHz 15.815 4.820 0.48
4100.0 MHz 16.042 4.889 0.48
4200.0 MHz 16.268 4.958 0.47
4300.0 MHz 16.492 5.027 0.46
4400.0 MHz 16.714 5.094 0.46
4500.0 MHz 16.934 5.161 0.45
4600.0 MHz 17.153 5.228 0.44
4700.0 MHz 17.370 5.294 0.44
4800.0 MHz 17.585 5.360 0.43
4900.0 MHz 17.798 5.425 0.43
5000.0 MHz 18.010 5.489 0.42
6000.0 MHz 20.055 6.113 0.38
8000.0 MHz 23.826 7.262 0.32
8800.0 MHz 25.244 7.694 0.30

Return Loss/VSWR

Frequency Band VSWR Return Loss (dB)
450–698 MHz 1.288 18.00
617–698 MHz 1.288 18.00
680–800 MHz 1.130 24.30
698–960 MHz 1.130 24.30
800–960 MHz 1.130 24.30
1700–2000 MHz 1.130 24.30
2000–2200 MHz 1.130 24.30
2300–2700 MHz 1.130 24.30
2300–2500 MHz 1.150 23.30
3450–4200 MHz 1.253 18.99
4200–4800 MHz 1.377 15.99
5150–5925 MHz (502) 1.377 15.99

Material Specifications

Dielectric Material Foam PE
Jacket Material Non-halogenated, fire retardant polyolefin
Inner Conductor Material Copper-clad aluminum wire
Outer Conductor Material Corrugated copper

Mechanical Specifications

Minimum Bend Radius, multiple Bends 127 mm | 5 in
Minimum Bend Radius, Single Bend 50.8 mm | 2 in
Number of Bends, minimum 15
Number of Bends, typical 50
Tensile Strength 113 kg | 249.122 lb
Bending Moment 3.8 N-m | 33.633 in lb
Flat Plate Crush Strength 2 kg/mm | 111.995 lb/in

Environmental Specifications

Installation temperature -40 °C to +60 °C (-40 °F to +140 °F)
Operating Temperature -40 °C to +60 °C (-40 °F to +140 °F)
Storage Temperature -40 °C to +60 °C (-40 °F to +140 °F)
Attenuation, Ambient Temperature 20 °C | 68 °F
Average Power, Ambient Temperature 40 °C | 104 °F
Average Power, Inner Conductor Temperature 100 °C | 212 °F
EN50575 CPR Cable EuroClass Fire Performance B2ca
EN50575 CPR Cable EuroClass Smoke Rating s1a
EN50575 CPR Cable EuroClass Droplets Rating d1
EN50575 CPR Cable EuroClass Acidity Rating a1
Fire Retardancy Test Method IEC 60332-1-2 | NFPA 130-2010 | UL 1666/CATVR/CMR
Smoke Index Test Method IEC 61034
Toxicity Index Test Method IEC 60754-1 | IEC 60754-2

Packaging and Weights

Cable weight 0.25 kg/m | 0.168 lb/ft