First, welcome to SpeedTrapHunter.
Second, no, there are no stupid questions - not everything is cut-and-dry, super-obvious.
Don't feel bad, at all, or shy, to ask any and all questions!
First and foremost, no, the vast majority of the current-day active laser jammers are not "cross-compatible" in the sense that you wish them to be (i.e. unplug the "heads" of system X, then plug the heads of your new system Y into the remaining in-vehicle control-box that is still resident from system X). Most of these systems are designed to be run "complete," as one discrete unit. The notable exception is/was the LPP/AL G8 and G7/PASS/and *suspected* LaserStar cousins, which *should* all be able to be run off interchangeable control-boxes - however, even towards this end, more than one hobbyist group has reported inconsistent and far-from-optimal results.
Currently, I would recommend running each system as a discrete unit only.
[
Your question of running more than one system at a time, also, needs to be examined in more detail, in terms of the systems potentially "cross-talking" with each other, and offering destructive-interference. This, I will come back to in more detail, in a follow-up post. ]
As a beginner, I would highly advocate that you get just ONE good active laser jammer system, and let it rest at that.
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In terms of the LaserStar.....
Radar Detector Tests and Reviews by Guys of LIDAR
^ I've always trusted, implicitly, the
Guys of Lidar. To-date, they have yet to give me any reason to distrust them.
However, at the same time, the backstory behind the
GOL and
The Goons cannot be denied, so
I am willing to entertain the POSSIBILITY, out of a pure desire for fairness, that their testing of the LaserStar should not be taken at face-value.
But even if I were to entertain such a theory/thought, I would then ask the following:
Why has there not been any other RELIABLE independent hobbyist sources - and to-date, there are more than a half-dozen such independent hobbyist groups out there, just in the US alone - to have confirmed what
The Goons, on LaserJammerTests.com , have insisted to be the superiority of the LaserStar?
You can see some of my reasoning in the threads below. I apologize for all the reading you'll have to do, but in all honesty, there's no better way than these cited threads to get yourself well-acquainted with the issues at-hand:
Escort Passport 9500ci or Laser Interceptor - Radar Detector Reviews & Radar Detectors Review Forum & Test CONSUMER ALERT!! Laser Star officially sucks balls - Radar Detector Reviews & Radar Detectors Review Forum & Test Thinking of buying a Laserstar Laser Jammer ?? - Radar Detector Reviews & Radar Detectors Review Forum & Test
I *_HIGHLY_* encourage you to work through the ENTIRE content pages of the first two threads, as it will give you the proper background on which to make your decision, about the LaserStar.
Finally, based on the CFL group's testing of the LPP (pre-100 PPS UL revision), PASS, and the AL G8 and G7, I have serious reservations about the capability of the LaserStar to be able to, with any success at all, be able to effectively combat the LTI TruSpeed. Given, furthermore, the silence from the always-vocal
Goons, as of late, I am further doubting that the LaserStar is effective against this new device.
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PS: What do you think about VEIL ? It does quite the number on the Stalker.
Laser Star 
Linear Mode
