- 3045C-10 Narda Directional CouplerCondition: UsedFrequency: 12.4 GHz
- 4015C-10 Narda Directional CouplerCondition: UsedFrequency: 12.4 GHz
- 4030B Narda Directional CouplerCondition: UsedFrequency: 500 MHz
- 4242-10 Narda Directional CouplerCondition: UsedFrequency: 2 GHz
- 5074 Narda Directional CouplerCondition: UsedFrequency: 8.300000000000001 GHz
- 3000-30 Narda Directional CouplerCondition: UsedFrequency: 460 MHz
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- DC6080 Amplifier Research Directional CouplerCondition: UsedFrequency: 1 GHz
- DCP 0100 Schaffner Directional CouplerCondition: UsedFrequency: 1 GHz