Afraid of losing the signal and not know. Test "Warning Signal!" the application is very limited but it does its purpose. Emits a loud sound when the signal is lost and a bell when recovering. If you have any questions or suggestions contact me @endika_iglesias thank you very much ;)
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
