Modem_FSK

It communicates in the style of an acoustic coupler. Only an alphanumeric character corresponds. It can communicate with Modem_FSK _Receiver.

It's secure to download the app. Makinosoft is the official developer of Modem_FSK which can be found in the Tools category. On Google Play, this application is rated 3.8 by its users.

The developer released a new version of Modem_FSK on Dec 7, 2016 and over 1K users downloaded and installed the app. Advertisements are a part of this application. Download the latest installer of Modem_FSK 1.8 free of charge and take a look at users' reviews on Droid Informer. The app is created for Android 2.3 and above.