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For more information about calibration kits, please visit Mechanical and Electronic Calibration Kits.
| 85518A-ATO | Calibration kit, 4-in-1, open, short, load and through, DC to 18 GHz, Type-N(m), 50 ohm |
| 85518A | Calibration kit, 4-in-1, open, short, load and through, DC to 18 GHz, Type-N(m), 50 ohm |
| R-51B-001-C | Return to Keysight Warranty - 1 year |