wireless Wan Connectivitythe Cradlepoint Cba750b Integrated Mobile Broadband Series Adapters Enable Easy-to-install Wireless Wan Connectivity In Fixed-business Locations. For Distributed Enterprises Like Branch Offices, Retail Stores, Restaurants, And Small Businesses, The Cba750b Provides 3g/4g Wireless Network Connectivity To Keep Your Business Up And Running. failover Made Simplethe Cradlepoint Cba750b 3g/4g Cellular Broadband Adapter Provides Ip Passthrough Capabilities For Any Device That Requires Wireless Broadband Access. For Most Applications, Simply Connect The Cba750b To An Existing Cpe Router Configured For Wan Failover, And It's Ready To Go. The Cba750b Handles The Wireless Wan Connection Through The Integrated 3g/4g Modem When Failover Occurs.