A sander includes an upper portion configured as a holding portion, and side peripheral portions. Standard alarm system protocols are modified to make the communication protocol compatible with the features of satellite broadband. An especially preferred embodiment of the invention comprises a mixture of a high molecular weight chlorotrifluoroethylene fluid and a wax with an \u201cON-state\u201d insertion loss of below 0. In one embodiment, one or more balloons are used, and in another, one or more expandable structures.