While similar in available keypad layouts, size and weight, the CN3 is differentiated from Intermec's other CN devices (the CN4 and CN50) in its ability to support RFID via the IP30 RFID reader handle, WWAN radio generation (2.5G), and choices of operating systems including both Windows Mobile 5.0 and 6.1. Furthermore, the CN3 has been certified for use in hazardous environments within the U.S. The CN4 and CN50 are 3.5G and 3.75G respectively, do not currently support RFID, and only offer WM 6.1, but should be strong choices for any users seeking the higher bandwidth capability of a 3G-plus radio