Generates 16 DTMF tones 1234567890*# plus menu tones ABCD 1750Hz tone burst for European repeater operation Specify custom DTMF sequence via keypad, soft keyboard, or speech to text Set custom duration and tone to silence ratio Select from 52 CTCSS frequencies Use for amateur ham radio repeater operations Official DTMF pad of RFinder Android Radio http://androiddmr.com
