Filed under: WirelessLooks like being partners in a company called "SpectrumCo" just isn't what it seems -- although Comcast and Time Warner Communications have already dropped out of the 700MHz auction running, upstart Cox Communications has announced that it's ready to bid at least the $4.6B minimum in January's auction to try and get a little piece of the pie. Cox says it's trying to bundle all its products together, and that the airwaves will allow for greater mobility and convergence -- or, put more simply, "We like having options." O