I can play back from my DVR from my FIOS router and over LTE, but not over my Apple Time Capsule extender. Verizon tells me that they don't support non-Verizon extenders. If true, that I must buy a Verizon extender, then that is an illegal tie-in. Nothing I've ever used cares which router/extender I've used. I'm now on my third ticket with Verizon.