WR31-L52A-DE1-TB,CELLULAR ROUTER US CANADA 4G/3G
WR31-L92A-DE1-TB,CELLULAR ROUTER GLOBAL HSPA 3G
WR31-M22A-DE1-TB,CELLULAR ROUTER EMEA 450M
WR31-M52A-DE1-TB,CELLULAR ROUTER AT&T VERIZON
WR31-M72A-DE1-TB,CELLULAR ROUTER EMEA/APAC 3G
WR31-M82A-DE1-TB,CELLULAR ROUTER 4G LTE N.A./EMEA
WR31-U92A-DE1-TB,CELLULAR ROUTER GLOBAL HSPA 3G