It looks like you’re describing a specialized service dongle and software package used for industrial gas engines with TEM Evolution control systems. Here’s a clearer breakdown of what that means and how it’s typically used:

? What this is

• TEM Evolution System JView 3.5.2 (Yellow Wibu-Box Dongle)
  A licensed Virtual key (dongle) used to unlock advanced access in the JView engineering software.
• The “Level 200” authorization usually indicates high-level or full access, including parameter editing and programming functions that are normally restricted.

⚙️ What it allows you to do

With this dongle and software, technicians can:

• Modify engine control parameters (fuel, timing, limits, etc.)
• Program or reprogram control units:
  • CPU-1
  • CPU-P
• Work on both new and legacy controller versions
• Potentially adjust performance settings beyond factory defaults

⚠️ Important caution

• The mention of “DE rated engines, give you the full power” suggests overriding factory derating.
  That’s not trivial:
  • It can void warranties
  • May increase wear, emissions, or failure risk
  • Could violate local regulations depending on where the engine is installed
• These tools are generally intended for authorized service engineers from manufacturers like DEUTZ, MWM, or Caterpillar

? Compatible engines

You listed engines from:

• DEUTZ / MWM: TBG 616, 620, 632
• MWM: TCG 2016, 2020, 2032
• Caterpillar gas engines: CG132, CG170, CG260

These are large industrial gas engines, often used in:

• Power plants
• CHP (combined heat & power) systems
• Industrial energy generation

? Bottom line

This is not just a diagnostic tool—it’s a high-level engineering access system that can fundamentally change how an engine operates. It’s powerful, but also risky if used without proper expertise and authorization.