... 1.we are have more than 50 mcu(microcontroller ) brand supplier(origin factory) such as ATmel, PIC ,AVR ,Cypress,ABOV,etc2.Our ... experiance1.we are have more than 50 mcu(microcontroller ) brand supplier(origin factory) such as ATmel, PIC ,AVR ,Cypress,ABOV,etc2.Our ... we have mor than 5 years design and assembly experiance factory direct sell gps tracker