Sprint in amidst its phone additions Sunday also added an otherwise unannounced new modem to its 4G devices. The Novatel Wireless Merlin CC208 is rare in supporting both WiMAX and 3G while taking up a hybrid card form factor. Its core modem is an ExpressCard/34 device that can fit into some MacBook Pros and Windows PCs, but that modem can cradle in a PC Card adapter that supports older notebooks.