With 5G hype high, consumers risk disappointment
Mobile operators have to upgrade their networks with 5G gear made by companies such as China's Huawei and Finland's Nokia
Analysts don't expect 5G compatible smartphones to be become widely available until the second half of 2019
The telecoms industry is gearing up for 5G, the next generation wireless networks which could enable new technologies such self-driving cars and robot surgeons. But it may be raising expectations too early.