> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/banana-pi-bpi-r2-open-source-smart-router/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/banana-pi-bpi-r2-open-source-smart-router/chapter1/bpi-r2-wifi-antenna-slot.md).

# BPI-R2 wifi antenna slot

banana pi BPI-R2 have support MTK6625L wifi\&BT 4.1 chip onboard

BPI-R2 have wifi antenna slot on board

wifi extend antenna slot spec:

![](https://2026254418-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtQhonJaM_KJIa7S%2F-M2HWugLnEYPO4HWj-RM%2F-M2HXKN9oINyUl8EIqFD%2Fwifi%20slot.jpg?generation=1584080204301343\&alt=media)

so you can use 3DB/5DB wifi antenna on BPI-R2，you also can use BPI-R1 antenna on BPI-R2, same spec