Answers are slowly starting to emerge about the mysterious dongle the PS3 uses for wireless guitar capabilities in Guitar Hero III raising more questions. Meanwhile, Harmonix and Red Octane blame Sony. This isn't just a GH III problem. Rock Band will also use some sort of PS3 dongle, which might explain a lot about why there isn't a Wii version of Rock Band announced yet. Although it's completely disputable, here's the basic idea: Two USB ports on the back of the Wii for the drum and mic (which are wired on every console), then if Harmonix wants the guitars to be wireless they need to design a guitar modeled around the Wiimote to plug into so that Rock Band does the same signal hijack that GH III accomplishes.