Imagine it :  When you place an android advertising signage in the Mall , it stuck there when downloading video from internet . What can you do to solve this issue ?    In nowadays, the WiFi 2.4 Ghz enviroment is crowdy as many devices such as smart phone, tablet pc download and upload data in the same time.     There is a stable way to solve : Use LAN Network by RJ45 interface   Yes, RONBEN Technology announed that release the Android All-in-One Tablet PC with RJ45 interface to secure smooth network […]