Thorough testing of the iPhone 3G's various antennas have revealed that they are not the cause of users' 3G woes, after three of the devices were run through trials in a $100,000 test chamber similar to ones used by Motorola. When placed in the chamber, the iPhone demonstrated no irregularities when sending or receiving 3G data, showing only a 2 dB variance from a Sony Ericsson P1 and Nokia N73. G
