The Somfy RTS Blind Motors can be controlled via an RS232/485 port on a single RF transmitter.
The manual for their RS232 devices suggests:
Use the ASCII protocol: <!> <2 digit unit code> <Directional Command> NOTE: directional command must be capital letters.
example; to send a command for motor 3 to go up: !03U
Can anyone outline the procedure, I don't mind reading through the wiki, but I am not sure what to read? A ref to the section would be appreciated!