[Dx4win] true RTTY with my laptop?

I want to run true FSK RTTY with MMTTY and DX4WIN on my laptop computer but I can't get the MMTTY program to wiggle the FSK frequency with my USB to RS232 FTDI-A36 cable. It will key my Icom 756 Pro2 but no FSK wiggle. Is there a USB to RS232 (serial DB9) dongle out there that will do this, model

Re: [Dx4win] true RTTY with my laptop?

George, Is there a USB to RS232 (serial DB9) dongle out there that will do this, model and where to buy? There is no inexpensive USB to serial dongle that will do 45.45 baud any more. All of the commodity USB to serial UART/Bridge makers have changed to match the higher data rates of USB