# P/N F9000 What Is It????

**URL:** https://community.cambiumnetworks.com/t/p-n-f9000-what-is-it/30936
**Category:** PMP
**Created:** [May 28, 2007, 11:12pm UTC](https://community.cambiumnetworks.com/t/p-n-f9000-what-is-it/30936 "2007-05-28T23:12:30Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![jwcn](https://d10gw3vjmzyp8.cloudfront.net/letter_avatar_proxy/v4/letter/j/7ab992/32.png) [@jwcn](https://community.cambiumnetworks.com/u/jwcn)
#### Post date: [May 28, 2007, 11:12pm UTC](https://community.cambiumnetworks.com/t/p-n-f9000-what-is-it/30936/1 "2007-05-28T23:12:30Z")

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So I need another connectorized AP and have an integrated on the shelf. Simple swap right? I pull it apart and remove the board and next to the SBC is this little black box that is P/N F9000  
  
What is it?  
  
It looks like a cavity filter but I would love to know!

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### Author: ![attitude0330](https://d10gw3vjmzyp8.cloudfront.net/letter_avatar_proxy/v4/letter/a/bc8723/32.png) [@attitude0330](https://community.cambiumnetworks.com/u/attitude0330)
#### Post date: [May 29, 2007, 3:33am UTC](https://community.cambiumnetworks.com/t/p-n-f9000-what-is-it/30936/2 "2007-05-29T03:33:46Z")

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Yes the 9000APF has a filter. the 9000AP does not