Installation manual
1. Mount parts on PCB (including main board & jack PCB)
Main board: top side
Main board: bottom side
For a module with print circuit board antenna, to eliminate the influence from other components or ground, a clearance area around the print circuit board antenna is necessary, please refer to following picture. In this area, there should be no metal in it. Besides x-y-axis, there should also be no metal at the Z-axis direction.
Jack PCB
2.According to the exploded view (refer to final page) to make a complete product.
2a: solder the speaker wire rightly, then install the main board to the PCB holder with screws.
2b: Install the battery pack / NFC module / jack PCB to cabinet rightly.