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Waveguide Isolators



Microwave Techniques manufactures high-power waveguide isolators, engineered for optimal protection, high performance, and the utmost precision in microwave and RF applications. Our industry-leading line of isolator solutions provide users with unique capabilities in power source protection

Devices are available in various configurations from WR90 to WR2300+.

Our isolators offer maximum isolation with the minimization of insertion loss.

In addition to our standard product offering, we also offer new isolator design and development programs for all custom solutions and applications.

    Our design capabilities for waveguide isolators continues to expand. Current capabilities include:
  • WR90 to WR2300+
  • Thousands of models to choose from
  • Designs for high peak and average power
  • Extensive solutions for 2450 MHz applications
  • Wide range of UHF, L, S, C, and X band devices
  • A range of custom options with design and development
If you do not see the specific waveguide isolator you require, contact sales@microwavetech.com to discuss your exact product requirements with a technical sales engineer.

Please note all product data, specifications, and descriptions are subject to change at the sole discretion of Microwave Techniques and must be confirmed at the time of order.
Waveguide Isolators
Unit of Measure
Items Waveguide Isolators
VHV1238
WR159 (R58) Waveguide Isolator, 5800 MHz 		Waveguide Isolators
VHU1131
WR284 (R32) Waveguide Isolator, 2455 MHz 		Waveguide Isolators
VHU1250
WR340 (R26) Waveguide Isolator, 2450 MHz 		Waveguide Isolators
VHU1293
WR340 (R26) Waveguide Isolator, 2450 MHz 		Waveguide Isolators
VHU1574
WR340 (R26) Waveguide Isolator, 2450 MHz
Type N/A Isolators
Product # N/A VHV1238 N/A VHU1131 N/A VHU1250 N/A VHU1293 N/A VHU1574
Type N/A Waveguide Isolators
Waveguide Size N/A WR159 (R58) N/A WR284 (R32) N/A WR340 (R26) N/A WR340 (R26) N/A WR340 (R26)
Frequency N/A 5800 MHz N/A 2455 MHz N/A 2450 MHz N/A 2450 MHz N/A 2450 MHz
Bandwidth N/A 150 MHz N/A 30 MHz N/A 50 MHz N/A 50 MHz N/A 50 MHz
VSWR N/A 1.15:1 N/A 1.25:1 N/A 1.20:1 N/A 1.20:1 N/A 1.15:1
Length A N/A
Finish N/A Clear
Material N/A Aluminum
Port Power Monitors N/A 50 ± 1 dB SMA (f) N/A 60 ± 1 dB Type N (f) N/A 2x 60 ± 1 dB SMA (f) N/A 66.5 ± 1 dB Type N (f) N/A 60 ± 1 dB 90° Type N (f)
Max Power N/A 800 W CW Max (Forward & Reflected) N/A 3 kW CW Max (Forward & Reflected) N/A 6.5 kW CW Max (Forward & Reflected) N/A 6.5 kW CW Max (Forward & Reflected) N/A 6.5 kW CW Max (Forward & Reflected)
Cooling Interface N/A G 1/4" N/A G 1/4" N/A G 1/4" N/A G 3/8" N/A G 1/4"
Coolant Type N/A Tap Water
Max Coolant Pressure N/A 87 psig
Inlet Temperature N/A 50 to 104 ºF
Minimum Coolant Flow Rate N/A 1.09 gpm
Pressure N/A
Isolation (dB) N/A 23.0
Insertion Loss (dB) N/A 0.15 N/A 0.20 N/A 0.20 N/A 0.15 N/A 0.20
Interface N/A EIA-271 (IEC UDR 58) M6 Holes N/A 1/4-20 Holes EIA-271 (IEC UDR 32) N/A EIA-271 (IEC UDR 26) M6 Holes N/A EIA-271 (IEC UDR 26) M6 Holes N/A EIA-271 (IEC UDR 26) M6 Holes
Weight N/A 3.4 lb N/A 7.1 lb N/A 12.1 lb N/A 12.1 lb N/A 12.1 lb
Paint N/A None
Marking N/A Standard Label
Additional Marking N/A None