It has non intuitive keyboard shortcuts, but looks like it's mainstream.
If you do not have installed stty you should get it by typing
opkg install coreutils-stty
To set options:
stty -F /dev/ttyUSB0 cs8 9600 ignbrk -brkint -icrnl -imaxbel -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoctl -echoke noflsh -ixon -crtscts
To get options:
stty -a -F /dev/ttyUSB0
To read from device
tail -f /dev/ttyUSB0
screen /dev/ttyS0 115200