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3G and 4G modems. Protect your USB and ExpressCard modems with our security enclosure, specially designed for the CBA750. The CradlePoint CBA750 Adapter is typically used to provide backup (failover) Internet connectivity. - External Cellular Modem Antenna Holes...
10) Look for MANUALLY UPGRADE FIRMWARE section, click BROWSE. The CBA750 Adapter signals when it has entered failover when there is more than one modem attached. 11) Browse for the new firmware file you downloaded in Step 2 and click OPEN.