| Keysight Technologies | Electronic Calibration Module | - | DC to 26.5GHz | 3.5 mm Female, 3.5 mm Male | - |
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| Keysight Technologies | Software | - | - | - | - |
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| Keysight Technologies | Electronic Calibration Module | - | DC to 4GHz | 3.5 mm Female, 3.5 mm Male | - |
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| Keysight Technologies | Electronic Calibration Module | - | DC to 26.5GHz | 3.5 mm Female | - |
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| Keysight Technologies | Electronic Calibration Module | - | DC to 14GHz | Type-N Female, Type-N Male | - |
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| Keysight Technologies | Electronic Calibration Module | - | DC to 9GHz | Type-N Male | - |
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| Rohde & Schwarz | Software | ZVH4, ZVH8 | 0.0001 → 3.4GHz | Type-N Female | - |