The Keysight 86211A adapter kit contains three Type-N to Type-F 75 ohm instrument-grade adapters, necessary when measuring Type-F devices on network analyzer with Type-N ports.
The kit includes: one 1250-2350 Adapter, dc to 2 GHz, type-F female to type-F female, one 1250-2368 Adapter, type-N female to type-F male, and one 1250-2369 type-N male to type-F male.