Sony possibly making a Xperia Z Ultra with only WiFi connectivity

According to new documents, Sony may be working on a WiFi-only model of their Xperia Z Ultra. Sliding through the FCC is a device that is listed as a “mini-tablet”  and a “portable handset.” This mystery device has 802.11 a/b/g/n/ac WiFi, Bluetooth 4.0, NFC, and even a GPS; however, there is no cellular radio. With a screen that is sized at more than 6-inches, is Sony trying to aim for a new market with a small-screened tablet? We’ll just have to wait and see. Stay tuned for more info on the possibility of this interestingly unique device.
Source: FCC
Via: VR-Zone