EWP77-71
Base Product: PREMIUM-ELLIPTICAL-WAVEGUIDE
EWP77, HELIAX® Premium Elliptical Waveguide, 7.125–7.75 GHz, black PE jacket
Specifications
Product Classification
| Product Type | Premium elliptical waveguide |
| Product Brand | HELIAX® |
| Product Series | Premium |
General Specifications
| Jacket Color | Black |
| Performance Note | Values typical, unless otherwise stated |
Dimensions
| Diameter Over Jacket (E Plane) | 43.6 mm | 1.717 in |
| Diameter Over Jacket (H Plane) | 25.4 mm | 1 in |
| Cable Volume | 585 L/km | 6.297 ft³/kft |
Electrical Specifications
| eTE11 Mode Cutoff | 4.72 GHz |
| Group Delay at Frequency | 128 ns/100 ft @ 7.800 GHz | 419 ns/100 m @ 7.800 GHz |
| Operating Frequency Band | 7.125 – 7.75 GHz |
Attenuation
| Frequency | Attenuation (dB/100 m) | Attenuation (dB/100 ft) | Average Power (kW) | Group Velocity % |
| 7.125 GHz | 6.258 | 1.907 | 3.12 | 74.90 |
| 7.33 GHz | 6.107 | 1.861 | 3.20 | 76.50 |
| 7.53 GHz | 5.982 | 1.823 | 3.27 | 77.90 |
| 7.73 GHz | 5.875 | 1.791 | 3.33 | 79.20 |
Return Loss/VSWR
| Frequency Band | VSWR | Return Loss (dB) |
| 7.125–7.75 GHz | 1.060 | 30.72 |
Material Specifications
| Conductor Material | Corrugated copper |
| Jacket Material | PE |
Mechanical Specifications
| Minimum Bend Radius, Multiple Bends (E Plane) | 230 mm | 9.055 in |
| Minimum Bend Radius, Multiple Bends (H Plane) | 635 mm | 25 in |
| Minimum Bend Radius, Single Bend (E Plane) | 180 mm | 7.087 in |
| Minimum Bend Radius, Single Bend (H Plane) | 510 mm | 20.079 in |
| Maximum Twist | 3.281 °/m | 1 °/ft |
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) |
| Attenuation, Ambient Temperature | 23.889 °C | 75 °F |
| Average Power, Ambient Temperature | 40 °C | 104 °F |
| Average Power, Temperature Rise | 42 °F | 107.6 °F |
Packaging and Weights
| Cable weight | 0.67 kg/m | 0.450 lb/ft |
Regulatory Compliance/Certifications
| Agency | Classification |
| ISO 9001:2015 | Designed, manufactured and/or distributed under this quality management system |
Product Classification
| Product Type | Premium elliptical waveguide |
| Product Brand | HELIAX® |
| Product Series | Premium |
General Specifications
| Jacket Color | Black |
| Performance Note | Values typical, unless otherwise stated |
Dimensions
| Diameter Over Jacket (E Plane) | 43.6 mm | 1.717 in |
| Diameter Over Jacket (H Plane) | 25.4 mm | 1 in |
| Cable Volume | 585 L/km | 6.297 ft³/kft |
Electrical Specifications
| eTE11 Mode Cutoff | 4.72 GHz |
| Group Delay at Frequency | 128 ns/100 ft @ 7.800 GHz | 419 ns/100 m @ 7.800 GHz |
| Operating Frequency Band | 7.125 – 7.75 GHz |
Attenuation
| Frequency | Attenuation (dB/100 m) | Attenuation (dB/100 ft) | Average Power (kW) | Group Velocity % |
| 7.125 GHz | 6.258 | 1.907 | 3.12 | 74.90 |
| 7.33 GHz | 6.107 | 1.861 | 3.20 | 76.50 |
| 7.53 GHz | 5.982 | 1.823 | 3.27 | 77.90 |
| 7.73 GHz | 5.875 | 1.791 | 3.33 | 79.20 |
Return Loss/VSWR
| Frequency Band | VSWR | Return Loss (dB) |
| 7.125–7.75 GHz | 1.060 | 30.72 |
Material Specifications
| Conductor Material | Corrugated copper |
| Jacket Material | PE |
Mechanical Specifications
| Minimum Bend Radius, Multiple Bends (E Plane) | 230 mm | 9.055 in |
| Minimum Bend Radius, Multiple Bends (H Plane) | 635 mm | 25 in |
| Minimum Bend Radius, Single Bend (E Plane) | 180 mm | 7.087 in |
| Minimum Bend Radius, Single Bend (H Plane) | 510 mm | 20.079 in |
| Maximum Twist | 3.281 °/m | 1 °/ft |
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) |
| Attenuation, Ambient Temperature | 23.889 °C | 75 °F |
| Average Power, Ambient Temperature | 40 °C | 104 °F |
| Average Power, Temperature Rise | 42 °F | 107.6 °F |
Packaging and Weights
| Cable weight | 0.67 kg/m | 0.450 lb/ft |
Regulatory Compliance/Certifications
| Agency | Classification |
| ISO 9001:2015 | Designed, manufactured and/or distributed under this quality management system |
Documentation & Downloads
Product Specification
Warranty
Product Compliance Documentation
Product Specification
Warranty
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Related Products
Antennas
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177DZ Splice for elliptical waveguide 77 -
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177SC Fixed-tuned UG-51/U for elliptical waveguide 77 -
![]()
177SCM Fixed-tuned PBR84 for elliptical waveguide 77 -
![]()
177SE Fixed-tuned CPR112G for elliptical waveguide 77 -
![]()
177SEM Fixed-tuned PDR84 for elliptical waveguide 77 -
![]()
277SEM Fixed-tuned PDR70 for elliptical waveguide 77
Connectors
-
![]()
177DZ Splice for elliptical waveguide 77 -
![]()
177SC Fixed-tuned UG-51/U for elliptical waveguide 77 -
![]()
177SCM Fixed-tuned PBR84 for elliptical waveguide 77 -
![]()
177SE Fixed-tuned CPR112G for elliptical waveguide 77 -
![]()
177SEM Fixed-tuned PDR84 for elliptical waveguide 77 -
![]()
277SEM Fixed-tuned PDR70 for elliptical waveguide 77
-
![]()
31768A Angle Adapter, standard, 3/8 in tapped hole
Structural Support, Tools & Accessories
-
![]()
33544-34 Connector Reattachment Kit for elliptical waveguide 77 -
![]()
45594-177A Hardware Kit for 177 Connectors
-
![]()
241088-3 Standard Grounding Kit for 1-1/4 in corrugated coaxial cable and elliptical waveguide 64 and 77 -
![]()
241088-60 Standard Grounding Kit for 1-1/4 in corrugated coaxial cable and elliptical waveguide 64 and 77 -
![]()
UG12158-15B4-T Universal Grounding Kit for HELIAX® 1/2 in through 1-5/8 in corrugated and smoothwall coaxial cable, elliptical waveguide 63 through 180 and Hybrid cables
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