16 Tone DTMF Generator Keypad 1234567890*#ABCD1750

No ads, nags, or in-app purchases. No internet connection required. Fully offline app. Official DTMF pad of RFinder Android Radio. This app will give you a 16 tone DTMF keypad plus a 1750Hz tone burst button and the ability to generate custom DTMF sequences, as well as set the duration and tone/silence ratio.