The Keysight 11878A adapter kit provides the RF components generally required when an SMA or 3.5 mm device needs to be measured with a network analyzer type-N configuration. This kit includes four type-N to 3.5 mm adapters for both male and female connectors.
The 11878A kit contains the following:
Test port adapter, 3.5 mm (m) to type-N (m) (Keysight part number 1250-1743)
Test port adapter, 3.5 mm (f) to type-N (m) (Keysight part number 1250-1744)
Test port adapter, 3.5 mm (f) to type-N (f) (Keysight part number 1250-1745)
Test port adapter, 3.5 mm (m) to type-N (f) (Keysight part number 1250-1750)
Storage box, (Keysight part number 9211-1582)
Storage box foam pad, (Keysight part number 11878-80003)
Operating and Service Manual (Keysight part number 11878-90001)