Netac CDMA MobileWave A840_A840U is the latest CDMA wireless Modem, which has the high technologies of USB, mobile communication (CDMA 2000 1X) and Flash Memory and has the strong functions of wireless online, SMS (individually or by group) and voice calling. And it can support hot plug and play, quick logon, Real-time online, high speed transferring. On the other hand Netac USB Wireless CDMA Modem is small size and lightweight and has high strong signal, etc. Furthermore it is much more compact, more universal, safer and easier to use than traditional communication devices. Users can get free application software upgrade from Netac's website. Netac can supply the 2nd development platform supports one and more module for business cooperation users.