HRLc Config is a professional tool for technicians working with Diehl Metering HRL-c G3 radio modules.

With this app, you can:

Install and configure radio modules on existing meters.

Read and update configuration parameters.

Force a “Join request” to the LoRaWAN network.

Create and export pairing files (CSV format).

Replace individual child devices without modifying parent modules.

All communication is handled via Bluetooth® using a compatible IOTR or B-TOOLZ receiver. HRLc Config is ideal for utility teams maintaining modular metering systems in the field.