...
To ensure compliance with RF exposure guidelines the device must be used with a minimum of 20cm 5 mm separation from the body. Failure to observe these instructions could result in your RF exposure exceeding the relevant guideline limits. The requirements for the location and the according limitations to locations with distance of minimum 20cm 5 mm to the user are clearly indicated with the USB device. The device is strictly for industrial use/application and installed in industrial environment. This device is not intended for remote access via LTE. This also includes firmware updates and changes to the radio settings via LTE. If a firmware update is necessary, please contact the manufacturer.
...