EW77
EW77, HELIAX® Standard Elliptical Waveguide, 7.125–8.5 GHz, black PE
jacket
Product Classification
Product Type Elliptical waveguide
Product Brand HELIAX®
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 – 8.5 GHz
VSWR/Return Loss
Frequency Band VSWR Return Loss (dB)
7.125–8.5 GHz 1.15 23.13
Attenuation
Frequency (GHz) Attenuation (dB/100 m) Attenuation (dB/100 ft) Average Power (kW) Group Velocity %
7.125 6.258 1.907 3.122 74.9
7.33 6.107 1.861 3.199 76.5
5.982 1.823 3.266 77.9 Page 1 of 3
©2022 CommScope, Inc. All rights reserved. All trademarks identified by ® or ™ are registered trademarks,
respectively, of CommScope. All specifications are subject to change without notice. See www.commscope.com for the
most current information. Revised: October 4, 2021
EW77
7.53 5.982 1.823 3.266 77.9
7.73 5.875 1.791 3.326 79.2
7.93 5.782 1.762 3.379 80.4
8.13 5.701 1.738 3.427 81.4
8.33 5.631 1.716 3.47 82.4
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 75 °F | 23.889 °C
Average Power, Ambient Temperature 104 °F | 40 °C
Average Power, Temperature Rise 42 °C | 107.6 °F
Packaging and Weights
Cable weight 0.67 kg/m | 0.45 lb/ft
Regulatory Compliance/Certifications
Agency Classification
CHINA-ROHS Below maximum concentration value
ISO 9001:2015 Designed, manufactured and/or distributed under this quality management system
REACH-SVHC Compliant as per SVHC revision on www.commscope.com/ProductCompliance
ROHS Compliant
Page 2 of 3
©2022 CommScope, Inc. All rights reserved. All trademarks identified by ® or ™ are registered trademarks,
respectively, of CommScope. All specifications are subject to change without notice. See www.commscope.com for the
most current information. Revised: October 4, 2021
EW77
Page 3 of 3
©2022 CommScope, Inc. All rights reserved. All trademarks identified by ® or ™ are registered trademarks,
respectively, of CommScope. All specifications are subject to change without notice. See www.commscope.com for the
most current information. Revised: October 4, 2021
