The Keysight 86211A adapter kit contains three Type N to Type F (75 ohm) adapters required to measure Type F devices on a network analyzer with Type N connectors. The kit contains: a 1250-2350 adapter, DC to 2 GHz, type F socket to type F socket, a 1250-2368 adapter, type N socket to type F plug and a 1250- 2369 type N male type F male.