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Waveguide Probe Coupler

Name: Waveguide Probe Coupler
Brand: DOLPH MICROWAVE
Price: 1 USD

A Waveguide Probe Coupler is a precision device used to couple a small amount of electromagnetic energy from a waveguide for measurement or monitoring purposes. It features high directivity and minimal insertion loss, making it essential for accurately sampling signals within microwave systems across various applications, including telecommunications, radar, and testing equipment.

Dolph Microwave · Standard & Custom Waveguide Components

Waveguide Probe Coupler for Precision Signal Sampling

Dolph Microwave waveguide probe couplers are built for controlled RF sampling in monitoring, test and calibration setups. The standard model table below covers 0.96–40 GHz with 20% operating bandwidth, 1.1:1 VSWR and 30–60 dB coupling, while the product range supports waveguide sizes from WR2300 to WR10 with N, TNC, 7-16, SMA, 2.92 mm, 2.4 mm and 3.5 mm connector options. Select cover, grooved or choke flanges, aluminum or copper construction, or request a custom configuration to match your waveguide interface and coupling requirement.

Request a Configuration Review Open Product Datasheet

Configuration Range

Specify the coupler around your waveguide interface

Broad Waveguide Size Range

Compatibility: From large WR2300 to compact WR10, accommodating diverse system requirements.

High Coupling Range

Efficient Sampling: Offers up to 60dB coupling, enabling precise signal extraction for monitoring or testing purposes.

Diverse Connector Options

Flexible Connections: Includes N, TNC, 7-16, SMA, 2.92mm, 2.4mm, and 3.5mm (F/M) connectors, catering to various equipment interfaces.

Quality Materials

Durable Construction: Available in aluminum (Al) or copper (Cu), ensuring longevity and optimal electrical performance.

Versatile Flange Types

Seamless Integration: With cover, grooved, and choke flanges, our couplers fit securely in any waveguide setup.

Product Specifications Example

Core specification options

The probe coupler extracts a small portion of electromagnetic energy from the waveguide for signal monitoring and measurement while keeping the main signal path substantially undisturbed.

Specification

Detail

Waveguide Size

WR2300 to WR10

Coupling

Up to 60dB

Connector

N, TNC, 7-16, SMA, 2.92mm, 2.4mm, 3.5mm (F/M)

Material

Aluminum (Al), Copper (Cu)

Flange Type

Cover, Grooved, Choke

Standard Model Selection

Waveguide Probe Coupler models

Compare the frequency range, waveguide size, VSWR, coupling, output connector, flange, material and finish for each listed model. On smaller screens, swipe horizontally to view every column.

Send Your Target Frequency & Coupling

MODEL	FREQ. RANGE (GHz)	OPERATING BW	WG SIZE	VSWR	COUPLING (dB)	COUPLING OUTPUT	FLANGES TYPE		MATERIAL	FINISH	DATASHEET
MODEL	FREQ. RANGE (GHz)	OPERATING BW	WG SIZE	VSWR	COUPLING (dB)	COUPLING OUTPUT	COVER	GROOVED	MATERIAL	FINISH	PDF	STEP
DH-12WPC…	0.96-1.46	20%	WR770	1.1:1	30-60	N-K	UDR12	PDR12	Al	Chromate/Painted	PDF	STEP
DH-14WPC…	1.13-1.73	20%	WR650	1.1:1	30-60	N-K	UDR14	PDR14	Al	Chromate/Painted	PDF	STEP
DH-18WPC…	1.45-2.2	20%	WR510	1.1:1	30-60	N-K	UDR18	PDR18	Al	Chromate/Painted	PDF	STEP
DH-22WPC…	1.72-2.61	20%	WR430	1.1:1	30-60	N-K	UDR22	PDR22	Al	Chromate/Painted	PDF	STEP
DH-26WPC…	2.17-3.3	20%	WR340	1.1:1	30-60	N-K	UDR26	PDR26	Al	Chromate/Painted	PDF	STEP
DH-32WPC…	2.6-3.95	20%	WR284	1.1:1	30-60	N-K	UDR32	PDR32	Al	Chromate/Painted	PDF	STEP
DH-40WPC…	3.22-4.9	20%	WR229	1.1:1	30-60	N-K	UDR40	PDR40	Al	Chromate/Painted	PDF	STEP
DH-48WPC…	3.94-5.99	20%	WR187	1.1:1	30-60	N-K	UDR48	PDR48	Al	Chromate/Painted	PDF	STEP
DH-58WPC…	4.64-7.05	20%	WR159	1.1:1	30-60	N-K	UDR58	PDR58	Al	Chromate/Painted	PDF	STEP
DH-70WPC…	5.38-8.17	20%	WR137	1.1:1	30-60	N-K	UDR70	PDR70	Al	Chromate/Painted	PDF	STEP
DH-84WPC…	6.57-9.99	20%	WR112	1.1:1	30-60	N-K	UDR84/UBR84	PDR84/PBR84	Cu	Chromate/Painted	PDF	STEP
DH-100WPC…	8.2-12.5	20%	WR90	1.1:1	30-60	N-K	UDR100/UBR100	PDR100/PBR100	Cu	Chromate/Painted	PDF	STEP
DH-120WPC…	9.84-15	20%	WR75	1.1:1	30-60	N-K	UBR120	PBR120	Cu	Chromate/Painted	PDF	STEP
DH-140WPC…	11.9-18	20%	WR62	1.1:1	30-60	SMA-K	UBR140	PBR140	Cu	Chromate/Painted	PDF	STEP
DH-180WPC…	14.5-22	20%	WR51	1.1:1	30-60	SMA-K	UBR180	PBR180	Cu	Chromate/Painted	PDF	STEP
DH-220WPC…	17.6-26.7	20%	WR42	1.1:1	30-60	2.92-K	UBR220	PBR220	Cu	Chromate/Painted	PDF	STEP
DH-260WPC…	21.7-33	20%	WR34	1.1:1	30-60	2.92-K	UBR260	PBR260	Cu	Chromate/Painted	PDF	STEP
DH-320WPC…	26.3-40	20%	WR28	1.1:1	30-60	2.92-K	UBR320	PBR320	Cu	Chromate/Painted	PDF	STEP

Part Number Guide

DH-100WPC30NKPMA

Use the ordering code to define waveguide size, coupling level, coupling connector, interface, flange combination and material.

“100”Waveguide Size | WR90

“WPC”Waveguide Type | Waveguide Probe Coupler

“30”Coupling | 30 dB

“N”Coupling Connector | N-Type

“K”Interface Type | Female

“P”Flange Type | Rectangular Flat

“M”Flange Type | Rectangular Grooved

“A/C”Material | Aluminium, Cu

Finish Note

All Dolph-MW models include an surtec/corrosion protection treatment and are painted flat black. Flanges are unplated, polished and surtec. Other finishes and paint colors are available upon request.

Applications

Where the coupler is used

Choose the model and coupling configuration according to the waveguide band, required sample level and connection to your monitoring or test equipment.

Telecommunications: Enhancing network reliability through accurate signal monitoring.

Radar Systems: Facilitating precise signal extraction for system testing and calibration.

Electronic Warfare: Enabling signal intelligence by sampling electromagnetic signals without altering the system state.

Research and Development: Supporting scientific experiments with accurate microwave measurements.

Satellite Communications: Assisting in the maintenance and testing of ground station equipment.

Custom Solutions & Technical Support

Send the interface details before ordering

Dolph Microwave offers product selection, custom design and technical support for non-standard requirements. Provide your waveguide size or frequency range, target coupling value, coupling connector, flange type, material and finish requirement so the coupler can be matched to the intended system configuration.

Discuss a Standard or Custom Model

Technical Reference

Documents used for interface confirmation

The linked flange reference states that Dolph Microwave manufactures and supplies flanges made to current IEC and EIA standards. Use the product datasheet and flange designation guide when confirming the selected configuration.

Waveguide Probe Coupler DatasheetProduct technical PDF↗

Flange Types Designations InformationIEC / EIA flange designation reference↗

Dolph-MW Warranty

Products are warranted to be free from defective material and workmanship for one year from the date of delivery, subject to the warranty terms published by Dolph Microwave.

Datasheet Reference — additional technical values and ordering information

The product datasheet lists additional values for coupling range, accuracy, pressure, coupling interface, finish and ordering information.

Model	WR Type	Frequency (Ghz)	VSWR Max.	Coupling (dB)	Accuracy (dB)	Pressure (Mpa)	Coupling Interface
DH-14WPC…	WR650	1.13-1.73	1.1	20-60	±1	0.3	N/SMA/TNC
DH-18WPC…	WR510	1.45-2.20	1.1	20-60	±1	0.3	N/SMA/TNC
DH-22WPC…	WR430	1.72-2.61	1.1	20-60	±1	0.3	N/SMA/TNC
DH-26WPC…	WR340	2.17-3.30	1.1	20-60	±1	0.3	N/SMA
DH-32WPC…	WR284	2.60-3.95	1.1	20-60	±1	0.3	N/SMA
DH-40WPC…	WR229	3.22-4.90	1.1	20-60	±1	0.3	N/SMA
DH-48WPC…	WR187	3.94-5.99	1.1	20-60	±1	0.3	N/SMA
DH-58WPC…	WR159	4.64-7.05	1.1	20-60	±1	0.3	N/SMA
DH-70WPC…	WR137	5.38-8.17	1.1	20-60	±1	0.3	N/SMA
DH-84WPC…	WR112	6.57-9.99	1.1	20-60	±1	0.3	N/SMA
DH-100WPC…	WR90	8.20-12.40	1.1	20-60	±1	0.3	N/SMA
DH-120WPC…	WR75	9.84-15.0	1.1	20-60	±1	0.3	SMA/2.92
DH-140WPC…	WR62	11.9-18.0	1.1	20-60	±1	0.3	SMA/2.92
DH-180WPC…	WR51	14.5-22.0	1.1	20-60	±1	0.3	SMA/2.92
DH-220WPC…	WR42	17.6-26.7	1.1	20-60	±1	0.3	SMA/2.92
DH-260WPC…	WR34	21.7-33.0	1.1	20-60	±1	0.3	SMA/2.92
DH-320WPC…	WR28	26.3-40.0	1.1	20-60	±1	0.3	SMA/2.92

Flange Type	Inside Finish	Body Finish	Material
Cover/Grooved	Iridite per MIL-C-5541	Anticorrosion Black Painted	Al/Brass
Cover/Grooved	Iridite per MIL-C-5541	Anticorrosion Black Painted	Al/Brass
Cover/Grooved	Iridite per MIL-C-5541	Anticorrosion Black Painted	Al/Brass
Cover/Grooved	Iridite per MIL-C-5541	Anticorrosion Black Painted	Al/Brass