What could be the case is a femtocell that is a combination device (wireless + femtocell).
It could even be the equivalent of a network device (femtocell that connects to a router via Ethernet) so it could be used to connect to customer-owned routers, or both.
(Such a femtocell would be the equivalent of a home Mifi device, or T-Mobile's Hotspot@Home, but based on femto tech.)
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