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The maximum performance over all LTE bands results when the USB Connect 4G - XX is connected vertically to a PCB. There may be small metal parts 2 cm near the USB stick, but they must not occupy entire side surfaces. In any case, there must be no metal parts on the top of the USB Connects 4G - XX.
The command interface of the device is also protected with a password. For the password, contact the manufacturer. The stick cannot be controlled without the password. This is to ensure that the device is only used by customers who can guarantee a distance of minimum 20 cm from the body when using it.
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.