Modern EMR pens are Passive EMR. DO NOT Buy a tablet that uses Active EMR.
Active vs Passive indicates how an EMR gets power.
Passive EMR - The tablet wirelessly powers the pen
Active EMR - A battery inside the pen powers the pen
The battery may be replaceable or rechargeable.
It doesn't work.
You cannot use an Active EMR pen with a Passive EMR tablet
You cannot use a Passive EMR pen with Active EMR tablet.