Can I hook up an Airport Time Capsule to my Cradlepoint router via ethernet cable and use the ATC to back up all my computers?

I use a wireless datacard (cell modem) connected to a Cradlepoint router to access the internet. Can I hook up an Airport Time Capsule via ethernet cable and use the ATC to back up all my computers?

AirPort Time Capsule (2013)

AirPort Time Capsule (2013)

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