Google company investigate a possibility of using of balloon for mobile networking. According to some sources Google is going to cooperate with Space Data which has already used such unusual method for placing of basic stations. Space Data system foresees possibility of location of balloons with equipment in upper atmosphere. Due to such fact transmitter` range increases. Using this technology Google can build its own cheap mobile network. Google investigations are considered to be related with attempt to get rights for using of 700 MHz frequency.