SIMCOM hardware design guide line for engineer to make schematic and pcb

三星原厂ARM Cortex A8开发板资料，包含原理图和PCB文件。原理图cadence版本(.DSN),PCB是ALLEGRO版本(.BRD),非常好的资料，不可错过。-ARM Cortex A8 Samsung original development board information, including schematics and PCB files. Schematic cadence version (. DSN), PCB is ALLEGRO version (. BRD)

MT7620_官方PCB及原理图，对画PCB具有参考价值(MT7620_ official PCB and schematic diagram)