Sprint debuts 3G/4G hotspot router

Sprint at CES has rolled out a quartet of new devices, including the first-ever hotspot router to mix both 3G and 4G. The Sierra Wireless Overdrive can tap into either the EVDO-based 3G network or the WiMAX-based 4G network and, much like its rival the MiFi, share the cellular link over Wi-Fi to as many as five nearby devices. Sprint pitches it as a way of getting Wi-Fi only devices like the iPod