Products

Double Ridge Waveguide Assemblies

Frontgrade offers a full range of double ridge assemblies. Designed using decades of waveguide design expertise, we have a solution to meet all of your design needs.

Frontgrade provides an extensive portfolio of double ridge waveguide assemblies.

Our double ridge waveguide assemblies include E-Bends, H-Bend, twists, straight and transition. In addition, we also offer custom waveguide assemblies.

Double Ridge E-Bend Waveguides

Frontgrade offers a standard product line of formed E-Bend Waveguides with flanges covering sizes WRD-180 through WRD-350. VSWR is less than 1.15 maximum. Additional sizes, configurations and combinations are available on request.

Model NumberWaveguide SizeFrequency Range (GHz)Inside Bend RadiusDimensions A or B (Min)
REB180WRD - 180C2418.00 - 40.001.001.80
REB110WRD - 110C2411.00 - 26.501.001.84
REB750WRD - 750D247.50 - 18.001.502.77
REB650WRD - 650D286.50 - 18.001.502.78
REB580WRD - 580D285.80 - 16.001.502.82
REB475WRD - 475D244.75 - 11.002.003.30
REB350WRD - 350D243.50 - 8.203.005.41

Double Ridge H-Bend Waveguides

Frontgrade offers a standard product line of formed H-Bend Waveguides with flanges for sizes WRD-180 through WRD-350 and VSWR is less than 1.15. Additional sizes, configurations and combinations are available.

Model NumberWaveguide SizeFrequency Range (GHz)Inside Bend RadiusDimensions A or B (Min)
RHB180WRD - 180C2418.00 - 40.002.002.88
RHB110WRD - 110C2411.00 - 26.502.002.97
RHB750WRD - 750D247.50 - 18.002.003.27
RHB650WRD - 650D286.50 - 18.002.003.29
RHB580WRD - 580D285.80 - 16.002.003.32
RHB475WRD - 475D244.75 - 11.003.005.00
RHB350WRD - 350D243.50 - 8.204.005.80

Double Ridge Twist Waveguides

Covering sizes WRD-180 through WRD-350, Frontgrade twist waveguides with flanges feature a VSWR of less than 1.15 maximum. Additional sizes, configurations and combinations are available on request.

Model NumberWaveguide SizeFrequency Range (GHz)Angular Twist LengthDimensions A or B (Min)
DRT180WRD - 180C2418.00 - 40.003.004.38
DRT110WRD - 110C2411.00 - 26.503.004.38
DRT750WRD - 750D247.50 - 18.004.005.75
DRT650WRD - 650D286.50 - 18.004.005.75
DRT580WRD - 580D285.80 - 16.004.005.75
DRT475WRD - 475D244.75 - 11.006.008.00
DRT350WRD - 350D243.50 - 8.208.0010.00

Double Ridge Straight Waveguides

Frontgrade offers a standard product line of straight waveguides with cover or gaskets flanges, covering sizes WRD-180 through WRD-350. VSWR is less than 1.10 while insertion loss is equivalent to waveguide tubing per Mil-W-23351.

Double Ridge Transition Waveguides

Frontgrade's Transition Waveguides with flanges are designed to connect different size components in a minimum space while maintaining a VSWR of 1.15 maximum in the overlap frequency bands. We offer standard double-ridged sizes from WRD-180 through WRD-250 with additional sizes, extended range, and custom designs available upon request.

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Double Ridge Waveguide Assemblies