I pick this up from another retailer when the Motorola sb6121 give I problem the thing keep reset . a real pain when play on line game this one be fast and reliable . no problem whatsoever . a small footprint on my desk since I do not need a separate router as well . only hiccup be a standard setting that block against flood of datum attack with the high speed Comcast I get 30m download so it think someone be flood my computer with datum . a email to zoom and they give I the quick answer on what security set to uncheck