Quake Global has received approval from Iridium Communications Inc for its dual-mode modem that works on satellite and GSM network. Q400 modem supports GSM/GPRS communications in Quad band (GSM 850/900/1800/1900 MHz) and satellite communications on Globalstar and Iridium networks. Q400 is one of the first dual-mode integrated modem avaialble for the asset tracking market.