Its called cdc method. Its free and no load config, hindi sya stable sir at wala akong config na stable mga master lang may alam dito pano mapa stable yung config na aabot ng 15mins connectivity. Though may mga config na dito na auto reconnect. In my config for example, auto reconnect yan minsan lang mag stuck sa 200 kaya manual start stop injector. Pero pag nag download ka ng movie or anything.. usally up to 1 min yung connection nya bago mawala connection, for 1 min ako dito nakaka download na ng as high as 100mb. Then start/stop hanggang matapos ang dinownload ko.