Elliptical Waveguide - EW28
Antenna Systems & Solutions, Inc. is pleased to provide the following specifications for Andrew EW28, HELIAX® Standard Elliptical Waveguide, designed to operate between, 2.9–3.4 GHz. If you have any questions, please do not hesitate to contact us. or send us an email.
| Construction Materials |
| Jacket Material |
PE |
| Conductor Material |
Corrugated copper |
| Jacket Color |
Black |
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| Dimensions |
| Cable Volume |
3345.0 L/km | 36.0 ft³/kft |
| Cable Weight |
2.04 kg/m | 1.37 lb/ft |
| Diameter Over Jacket (E Plane) |
92.50 mm | 3.65 in |
| Diameter Over Jacket (H Plane) |
59.20 mm | 2.33 in |
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| Electrical Specifications |
| Operating Frequency Band |
2.9 – 3.4 GHz |
| eTE11 Mode Cutoff |
2.153 GHz |
| Group Delay |
137 ns/100 ft @ 3.200 GHz | 451 ns/100 m @ 3.200 GHz |
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| Environmental Specifications |
| Installation Temperature |
-40 °C to +60 °C (-40 °F to +140 °F) |
| Operating Temperature |
-55 °C to +85 °C (-67 °F to +185 °F) |
| Storage Temperature |
-70 °C to +85 °C (-94 °F to +185 °F) |
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| Mechanical Specifications |
| Maximum Twist |
0.75 °/m | 0.25 °/ft |
| Minimum Bend Radius, Multiple Bends (E Plane) |
560.00 mm | 22.00 in |
| Minimum Bend Radius, Multiple Bends (H Plane) |
1320.00 mm | 52.00 in |
| Minimum Bend Radius, Single Bend (E Plane) |
560.00 mm | 22.00 in |
| Minimum Bend Radius, Single Bend (H Plane) |
1320.00 mm | 52.00 in |
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| Standard Conditions |
| Attenuation, Ambient Temperature |
24 °C | 75 °F |
| Average Power, Ambient Temperature |
40 °C | 104 °F |
| Average Power, Temperature Rise |
42 °C | 76 °F |
Return Loss
| Frequency Band |
VSWR |
Return Loss (dB) |
| 2.9–3.1 GHz |
1.20 |
20.80 |
| 3.1–3.4 GHz |
1.15 |
23.10 |
Attenuation
| Frequency (GHz) |
Attenuation (dB/100 ft) |
Attenuation (dB/100 m) |
Average Power (kW) |
Group Velocity % |
| 2.9 |
0.676 |
2.217 |
16.506 |
67 |
| 3 |
0.643 |
2.11 |
17.349 |
69.6 |
| 3.1 |
0.617 |
2.026 |
18.067 |
71.9 |
| 3.2 |
0.597 |
1.959 |
18.684 |
74 |
| 3.3 |
0.58 |
1.904 |
19.219 |
75.8 |
| 3.4 |
0.567 |
1.859 |
19.687 |
77.4 |
If you have any questions, please do not hesitate to contact us. or send us an email.
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