ZTerminal
ZTerminal lets you use USB to serial converters based on FTDI and Prolific chips to control devices used in industry, such as modems and PLCs, from an Android device, without an additional PC.
Serial commands
Send serial commands such as AT commands to your devices and analyse the data coming back. The whole communication log can be saved as a text file.
Manual or automatic
Send commands by hand or automatically, in ASCII or HEX, with shortcuts for the hexadecimal control characters often used in AT commands.
Script files
Run a script text file with the configuration and command lines for a specific application, and put field work in place quickly.