Device Overview

General Description

WR-28 Straight Waveguide 1"", Square Flange. Custom lengths available upon request.Marki Microwave straight waveguides are built with high precision and then gold plated for high corrosion resistance. They have very low loss and excellent VSWR. Manufactured to rigid specifications, these transmission line components provide minimum detrimental effects on overall system VSWR.

Photo of WS-2800100WG

Features

  • 26.5 to 40GHz operation
  • EIA WR-28 rectangular waveguide
  • UG-599/U input and output flanges
  • Copper construction
  • Brass flanges
  • Gold plated
  • Very low loss

Applications

  • 5G
  • Radar
  • Satellite Communications
  • Digital Communications

Functional Block Diagram

Block Diagram

Part Ordering Options

Part NumberDescriptionPackageGreen StatusProduct LifecycleExport Classification
WS-2800100WGWR-28 Straight Waveguide, 26.5GHz to 40GHz, 1 inWR-28

REACH

RoHS

ReleasedEAR99
WS-2800100WGSWR-28 Straight Waveguide 1 in.WR-28

REACH

RoHS

ReleasedEAR99
WS-2800200WGSWR-28 Straight Waveguide 2 in.WR-28

REACH

RoHS

ReleasedEAR99
WS-2800300WGWR-28 Straight Waveguide 3"". Custom lengths available upon request.WR-28

REACH

RoHS

ReleasedEAR99
WS-2800300WGSWR-28 Straight Waveguide 3 in.WR-28

REACH

RoHS

ReleasedEAR99
WS-2800600WGWR-28 Straight Waveguide 6"". Custom lengths available upon request.WR-28

REACH

RoHS

ReleasedEAR99
WS-2800200WGWR-28 Straight Waveguide 2"". Custom lengths available upon request.WR-28

REACH

RoHS

ReleasedEAR99

Table Of Contents

Revision History

Revision CodeRevision DateComment
-2025-04-21Initial Release

Rev: - | Copyright © 2025 Marki Microwave LLC.

2

Port Configuration and Functions

Port Functions

PortFunctionConnector TypeDescriptionDC Equivalent
Circuit
Port 1RF Input / Output -RF input/output port-
Port 2RF Input / Output -RF input/output port-

Rev: - | Copyright © 2025 Marki Microwave LLC.

3

Specifications

Package Information

ParameterDetailsRating
Dimensions-WR-28

Rev: - | Copyright © 2025 Marki Microwave LLC.

4

Electrical Specifications

ParameterTest ConditionsMinimum
Frequency
(GHz)
Maximum
Frequency
(GHz)
MinTypMaxUnit
Insertion Loss 1-26.5 40-0.1-dB
Return Loss -26.5 40-37-dB

[1] Typical insertion loss per inch.

Rev: - | Copyright © 2025 Marki Microwave LLC.

5

Mechanical Data

Rev: - | Copyright © 2025 Marki Microwave LLC.

6