HH
We use a fancy little Sony number. If the mic is too close it splutters, if placed a little bit away or just below bottom lip the tx is perfectly clear. Pretty simple fix really.
I guess it all boils down to listening to the quality of your transmission and experimenting with the mic position, if that is in fact the cause of the splutter.
I guess if you have been used to listening to a spluttering tx for long enouigh it sounds normal.