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)