... , SMS function ,etc. Wireless EDGE MODEM EDGE Wireless USB Modem HW-EM100U DescriptionEDGE wireless modem, a good tool conducting mobile data ... . It only charges you when transmitting data.The EDGE modem with USB interface, supporting not only PC but equipment ... LED display Power supply, eliminating the need for external power adapter Humidity: <95% Vibration limit: peak 15g, a frequency range ...