Delta Air Lines says it has upgraded its entire fleet to protect the planes against radio interference from wireless signals. The airline said Thursday that it completed upgrading about 190 planes over the summer.
Turns out wireless networks aren't wireless at all. And light pulses in fiber optic cables carry your voice around the world. A new exhibition explains the science you hold in your hand every day.
Germany said Tuesday it is reviewing tech suppliers such as China's Huawei and ZTE, whose equipment is used in Germany's 5G networks. Europeans are starting to favor a tougher stance on China.
The FAA says Verizon and AT&T can turn on more 5G cell phone towers as safety concerns over interference with planes eases. But some smaller regional jets still face restrictions.
British regulators say they had little choice after the U.S. imposed sanctions that could affect the viability of Huawei products. Existing 5G equipment must be removed from the network by 2027.
