Outer headers to hide your "personal" cell details, you data payload is not encrypted unless configured on your end I.E. IPsec - should you desire privacy.
Cell provider is also very important. With the right cell provider, in non-emergency mode, data flows without issues. If in National/Local emergency mode, consider the cell backup link 99% useless; even if you are paying for top level QoS, you will never be top level QOS. 3-letter govt agencies always come first.
. . . and btw, it appears you are using the Cisco internal cell soultion. Another option - as your original questions - there is also the Raven and Cradlepoint mobile cellular broadband solutions that work wonderfully. The Raven is manageable from remote via a secure connection.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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