It excels at unlocking older, yet reliable, models like the FX1S, FX2N, and FX1N .

Mitsubishi has announced that future firmware updates for the iQ-R series will embed a lightweight version of the KeyRead V20 client directly into the . This will allow the PLC to not only read keys but also predict key expiration and automatically request a new encrypted key over secure MQTT from a central license server. Early beta tests show a 73% reduction in downtime caused by forgotten or lost physical keys.