you can start with pages like:

http://www.radartest.com/DS4HEM.html

results are as expected. i'm sure you can find more yourself. i like the BEL myself, it's priced right and has most of the bells & whistles...

__________________
joE
1993 300e-2.8 - gone now <sigh>
"Do not adjust your mind, it's reality that's malfunctioning"
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