Bab 1492: Chapter 1491-comparison and damage

"Mm ... I did bring my phone," Zhao Yu said as he took out his phone."But it seems like there's no Signal!"

"It's no use." PU Jiayou shook his head and said,"we also brought our phones! However, in this desolate place, there are no communication bases. So, other than satellite phones, ordinary mobile phones are useless!"

Regarding this point, Zhao Yu already understood.

As soon as he entered the Bonia Valley, he realized that his phone had become a mere decoration.

The temporary telephone card that secret services had installed for him could only be used in the larger cities of tarstein, and the signal would be lost if he were to go a little further.

Previously, he had tested it with his own signal booster. The booster could only strengthen a cell phone's signal, but it couldn't satisfy the problem of a blocked channel.