Overview MC100 W Modem is a USB dongle with an embedded 4G WiMAX modem. Support CBA750 serial product thought Mustang connect to 4G internal. In combination with supported CradlePoint routers and adapters, the MC100W modem provides your business with fully-integrated 4G/WiMAX internet access. This secure, theft-deterrent solution keeps your locations on-line with the benefit of WiMAX internet speeds.