Updating work can be done through cloning terminal, with cloning cable (OPC-1122/OPC-1122U).

* Updates Rev1.3 to Rev.1.4;
- Supports IDAS trunking system (newly added feature)
- Supports firmware updating over IP network with valid serial numbers (UC-FR5000 should be installed)
Main CPU of the repeater shall be Rev.1.5 or later.

In case of failure occurred during the firmware updating work, you must turn the repeater off and on again by manually.  Therefore if you try to update the firmware over IP and have failure, you may have difficulty to turn off and ON again the repeater depending on the installation condition.