... with computer 5VDimension: 94 x 54 x 13mm, the world's smallest portable built-in module router Color: White, Black, BrownBuilt ... and WiFiThe EL-H650 series 3G Cellular Router, the world’s smallest portable 3G WiFi hotspot router, is designed for ... as power control, water schedule, traffic, oil field, weather forecast, environmental protection, street lamp control, post, bank and many other areas ...