Products

Double Ridge Waveguide Adapters

Frontgrade manufactures a wide variety of double ridge waveguide adapters for a range of electronic warfare, space and airborne applications.

Frontgrade Double Ridge Waveguide Adapters provide an optimal interface and convenient means of coupling between waveguide and coaxial systems. As the world leader in waveguides, Frontgrade offers a broad portfolio of adapters to support its double ridge waveguide products including waveguide-to-coax adapters, high power adapters and high power, end launch adapters.

Waveguide-to-Coax Adapters

Frontgrade's standard product line of precision double ridge waveguide-to-coax adapters is constructed of 6061 aluminum covering the waveguide sizes WRD-180 thru WRD-250. VSWR over the full waveguide bandwidth is 1.20 typical for most models, or that of the coaxial connector selected. Additional sizes including extended range, and custom design configurations are available on request.

Part NumberFrequency RangeWaveguide Size
DRA18018.00 - 40.00WRD - 180C24
DRA110 11.00 - 26.50WRD - 110C24
DRA750 7.50 - 18.00WRD - 750D24
DRA650 6.50 - 18.00WRD - 650D28
DRA580 5.80 - 16.00WRD - 580D28
DRA475 4.75 - 11.00WRD - 475D24
DRA350 3.50 - 8.20WRD - 350D24
DRA250 2.60 - 7.80WRD - 250D30

High Power Waveguide Adapters

Constructed by either aluminum or copper, Frontgrade High Power Rectangular Adapters cover the waveguide sizes WR-28 thru WR-430. VSWR over the full waveguide bandwidth is 1.35 typical for most models, or that of the coaxial connector selected. Additional sizes and custom design configurations are available on request.

Part NumberWaveguide TypeFrequency RangeWaveguide Size
DRAH750Double Ridge Waveguide7.50 - 18.00WRD - 750D24
DRAH650Double Ridge Waveguide6.50 - 18.00WRD - 650D28
DRAH580Double Ridge Waveguide5.80 - 16.00WRD - 580D28
DRAH475Double Ridge Waveguide4.75 - 11.00WRD - 475D24
DRAH350Double Ridge Waveguide3.50 - 8.20WRD - 350D24
DRAH250Double Ridge Waveguide2.60 - 7.80WRD - 250D30

High Power End Launch Waveguide Adapters

Frontgrade High Power End Launch Adapters cover the waveguide sizes WR-28 through WR-430 and are offered in aluminum or copper. They feature a 1.50 VSWR over the full waveguide bandwidth. Additional sizes and custom design configurations are available on request.

Part NumberFrequency RangeWaveguide Size
DRAHE750 7.50 - 18.00WRD - 750D24
DRAHE650 6.50 - 18.00WRD - 650D28
DRAHE580 5.80 - 16.00WRD - 580D28
DRAHE475 4.75 - 11.00WRD - 475D24
DRAHE350 3.50 - 8.20WRD - 350D24
DRAHE250 2.60 - 7.80WRD - 250D30

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Double Ridge Waveguide Adapters