sampling

I currently experience a sampling rate of about 3.5 samples per second when logging using a registered version of vagcom (most basic version i think) with a serial connection using an opto interface. if i upgrade to one of your usb dongle versions , whats the best i could hope for. (my ecu is a...

I'm getting 2 samples per second with a single block, I've changed the settings in vag-com that speed up sampling, not sure if changing any of the Windows settings (baud rate etc.) will help. Anyone getting much more than this? Cheers