The US’s Federal Communications Commission have confirmed that Nintendo conducted a test for a ‘wireless gaming device’ that was submitted by Nintendo. The model number for the patent is HAC-016 and went through numerous tests by the FCC.
The most intriguing part of all of this is the confidentiality clause that includes the functionality and a photograph of the product expires during the week of E3 2017. This could indicated that it will be unveiled at E3 2017.