mugs
Lifer
I think he might be referring to Cold-Blooded which has a similar effect to the UAV Jammer in CoD4. Scambler is generally not good though for the reason mentioned - it alerts people to your presence. I've seen it used relatively effectively with Marathon, Lightweight and close-range weapons because you're able to get in and get the kill before the realize where you are. I don't think scambler is really needed for that sort of attack though. I guess it helps some; there have been times when I've noticed the radar going fuzzy so I try to pinpoint the location and while I'm distracted with that I get killed. Kind of like the heartbeat monitor - it seems great in theory, but it's easy to be distracted by it.