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Waveguide to Coax Adapters
Product Sheet

Microtech's Waveguide to Coax Adapters are engineered, designed, and manufactured "in house" utilizing computer aided design and manufacturing in our state-of-the-art production facilities.Microtech, Inc. Waveguide to Coax Adapters are made from a precision extruded tubing with the end caps silver or dip brazed to give you a precise and durable unit for both lab and systems use over the full specified operating band, with a minimum VSWR and Insertion Loss. These units can be built to be pressure tight on request.

Typical Electrical Specifications

WR Size

Frequency GHz

Model No.

VSWR
Max.

Insertion Loss
(dB)

22

33.00-50.00

234923

1.35

0.40

28

26.50-40.00

229665

1.30

0.35

34

22.00-33.00

240023

1.30

0.35

42

18.00-26.50

228100

1.25

0.30

51

15.00-22.00

240024

1.25

0.30

62

12.40-18.00

207194

1.25

0.20

75

10.00-15.00

229666

1.25

0.20

90

8.20-12.40

206998

1.25

0.20

102

7.00-11.00

204874

1.25

0.15

112

7.05-10.00

206477

1.25

0.15

137

5.85-8.20

206476

1.25

0.10

159

4.90-7.05

226325

1.25

0.10

187

3.95-5.85

206475

1.25

0.10

229

3.30-4.90

219863

1.25

0.10

284

2.60-3.95

206474

1.25

0.10

340

2.20-3.30

229667

1.20

0.05

430

1.70-2.60

207801

1.20

0.05

650

1.12-1.70

213002

1.20

0.05

Typical Mechanical Specifications

WR Size

Frequency GHz

Model No.

* Connector

Flange Equiv.

Material

"A" Dimension
(Max. inches)

"B" Dimension
(Max. inches)

22

33.00-50.00

234923

2.9mm/2.4mm

Square

Brass

1.50

0.70

28

26.50-40.00

229665

2.9mm/2.4mm

Cover

Brass

1.00

0.70

34

22.00-33.00

240023

2.4mm/2.9mm

Cover

Brass

1.25

0.80

42

18.00-26.50

228100

2.9mm/3.5mm/SMA

Cover

Brass

1.25

0.80

51

15.00-22.00

240024

2.9mm/3.5mm/SMA

Cover

Brass

1.50

0.90

62

12.40-18.00

207194

SMA/N/TNC

Cover

Brass

1.50

0.90

75

10.00-15.00

229666

SMA/N/TNC

Cover

Brass

1.75

1.00

90

8.20-12.40

206998

SMA/N/TNC

Cover

Brass

1.75

1.30

102

7.00-11.00

204874

SMA/N/TNC

Cover

Brass

2.00

2.25

112

7.05-10.00

206477

SMA/N/TNC

Cover

Brass

2.25

2.25

137

5.85-8.20

206476

SMA/N/TNC

Cover

Brass

2.50

2.40

159

4.90-7.05

226325

SMA/N/TNC

CPRF

Brass

3.00

2.50

187

3.95-5.85

206475

SMA/N/TNC

Cover

Brass

2.75

1.55

229

3.30-4.90

219863

N

CPRF

Brass

4.00

3.50

284

2.60-3.95

206474

N

Cover

Brass

4.10

4.25

340

2.20-3.30

229667

N

CPRF

Brass

4.10

4.50

430

1.70-2.60

207801

N

CPRF

Alum

4.25

5.00

650

1.12-1.70

213002

N

CPRG

Alum

5.25

7.25

* Standard Waveguide to Coax Adapters are supplied with a female connector. Customer to specify by adding desired connector to part number as a suffix. Example: 206998-SMA.