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Keysight 85515A Calibration kit, 4-in-1, open, short, load and through, DC to 9 GHz, Type-N(f), 50 ohm - Altoo Aps
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KEYSIGHT 85518A Calibration kit, 4-in-1, open, short, load and through, DC to 18 GHz, Type-N(m), 50 ohm - Alltest
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