BPI-F2P expansion board design , sata interface ,4G ,Wifi support

Banana Pi BPI-F2/BPI-F2S/BPI-F2P
1

BPI-F2P expansion board design , sata interface ,4G ,Wifi support ,Any better advice？？？

4g%20board
4g board.jpg750×476 121 KB

4G%20board%202
4G board 2.png750×476 149 KB

2

new design update

4G%20board%202

3

sample ready:

BPI-F2P-SUB%205
BPI-F2P-SUB 5.JPG750×522 114 KB