"1" User Manual;

"2" schematic circuit diagram;

"3" circuit block diagram (Block Diagram, also called module function diagram);

"4" Circuit Layout (PCB LAYOUT);

"5" Circuit bitmap (PCB placement);

"6" operation description (explanation of block diagram);

"7" component list (BOM LIST);

"8" label (label);

"9" antenna specifications (or antenna gain diagram);

"10" charger LVD report;

"11" fixed-frequency software (also called fixed-frequency program. The transmitter module can be set to continue transmitting at a certain frequency point, generally BT and WIFI must provide)