New documents from the Global Certification Forum and the Federal Communications Commission found by Notebook Italia indicate that a second Nvidia Shield device exists. Shield is Nvidia's $200+ Android-based gaming system that merges a full-size controller with a 5-inch screen and allows PC games using graphics cards with the company's GeForce line of GPUs to be steamed to high definition televisions.
According to the documents, the newly discovered Nvidia device will be a bigger device than the original Shield, as the GCF docs call the product the "SHIELD Tablet."
The drawings in the FCC documents seem to indicate that this new device will lose the controller aspect of the Shield and will look much like a standard tablet device.
The first Shield uses Nvidia's Tegra 4 SoC, but with Nvidia's Tegra K1 recently hitting the market, the new device will likely get an upgrade.
Further information on the device was not available as of this writing.
Source: Ars Technica