50-12 (Coupling)

The same openings or slots in the dielectric and outer conductors of low-loss cables are used for indoor coverage systems with good performance in the GSM and DCS bands.

Suitable for various scenarios, mainly for mines, tunnels, etc.

Construction
Center Conductor Material CCA
Dielectric Material Foamed PE
Outer Conductor Material Corrugated Copper Tube
Outer Jacket PE
LSZH (Option)
Dimensions（Nominal） mm
Diameter Over Center Conductor 4.8
Diameter Over Dielectric 12
Outer Conductor Peak Diameter 13.90
Outer Conductor Peak Tolerance ± 0.25
Outer Conductor Trough Diameter 11.70
Wrinkle Pitch 5.10
Wrinkle Pitch Tolerance ± 0.30
Minimum Thickness of Copper Tube before Corrugating 0.21
Diameter of Outer Jacket (Max.) 16.4
Minimum Thickness of Outer Jacket 0.8
Electrical Specification
Impedance 50 ± 2 Ω
Capacitance 75 pF/m
Velocity 88 %
Frequency Range 60 ~ 150 MHz
DC Resistance

—Inner Conductor

 —

1.6 Ω/KM
Longitudinal Attenuation: dB/1000m
150 MHz 3.3
450 MHz 6.0
700 MHz 7.7
800 MHz 8.3
900 MHz 8.8
960 MHz 9.2
1700 MHz 12.7
1800 MHz 13.1
1900 MHz 13.6
2000 MHz 14.0
2200 MHz 14.9
2400 MHz 15.7
2600 MHz 16.4
3000 MHz 17.9
3500 MHz 19.7
Coupling Loss (50% / 95%)，2m: dB ± 10 dB
150 MHz 62/78
450 MHz 70/80
700 MHz 70/80
800 MHz 70/80
900 MHz 71/82
960 MHz 70/81
1700 MHz 70/81
1800 MHz 77/88
1900 MHz 71/82
2000 MHz 73/84
2200 MHz 76/85
2400 MHz 77/87
2600 MHz 71/82
3000 MHz 78/88
3500 MHz 75/85
VSWR, Max
260 ~ 480 MHz 1.25
690 ~ 810 MHz 1.25
820 ~ 960 MHz 1.25
1700 ~ 1860 MHz 1.25
1900 ~ 2050 MHz 1.30
2100 ~ 2200 MHz 1.30
2300 ~ 2500 MHz 1.30
2500 ~ 2700 MHz 1.30
3400 ~ 3550 MHz 1.35