2.45 GHz MICROWAVE LINEAR POWER SENSOR RD 8400  ALTER MKS PART AX86RD8400A1 see Note below 

- Item used in R&D lab.
- Was on the spare parts shelf.
- Item not tested.
- Sold as is.
- Please see the pictures.
- Note : Please confirm the MKS replacement part number before baying.
- Please contact for additional info or questions.  

- Manual:  
  https://www.mks.com/mam/celum/celum_assets/resources/RD8400-DS.pdf?1


Thank you