The world record in sending letters (random 5 letter groups) is 283 for one minute: http://www.hst2017.org/en/records
This is with a special key that's made for high speed telegraphy. Anything on a mobile device would most likely be a lot slower.
There are some sample sounds of similar speeds, which you may find interesting.
The world record in sending letters (random 5 letter groups) is 283 for one minute: http://www.hst2017.org/en/records
This is with a special key that's made for high speed telegraphy. Anything on a mobile device would most likely be a lot slower.
There are some sample sounds of similar speeds, which you may find interesting.