MOTG-RS232 by 4D Systems Design and production,in Hong Kong One Core Century Technology Co., Limited Spot sales,And can pass Hong Kong One Core Century Technology Co., Limited Purchasing。MOTG-RS232 Price reference $ 17.707200。MOTG-RS232 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information MOTG-RS232 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial