This is the standard method. When you purchase an authentic JCZ galvo controller board (such as the LMC-V4, LMC-V5, or LMC-USB-V5), it comes with the hardware dongle embedded. You then download EZCAD3 from the official JCZ website, install it, and it will recognize the board as a valid license.
Where to buy:
Typical cost: A genuine JCZ controller board with dongle costs between $250 and $600 USD, depending on features (analog vs. digital laser control, fiber vs. CO2, etc.). ezcad3 license key
The "license" is stored in the non-volatile memory of the USB dongle. This is the standard method
There are three primary reasons someone searches for this term: Typical cost: A genuine JCZ controller board with
A: No. At best, it is a virus. At worst, it might fool the software into opening, but it will not properly control the laser hardware because the encryption handshake between the software and the dongle is time-dependent. Users who "succeed" usually find that the laser fires erratically or not at all.