Function of Barcode Scanner Module MJ2808-AT 1. Interface supported :USB.KBW,RS232. 2. Certification : ... CE,FCC,RoHS 3. 2 years Function of Barcode Scanner Module MJ2808-AT Huizhou Minjie Technology Co.,Ltd ., established in 2009 ... ,is a professional high-tech manufacturer and specialized in the development, manufacture, sale and ...