What could be the reason that the ubirch test kit is not connected to NB-IoT?
If you have acquired and setup the ubirch testkit hardware yourself, please make sure that you have flashed the NB-IoT firmware to the modem. See the testkit readme for a link to suitable instructions. Also, make sure that the antenna is connected to the correct port (next to the RGB LED). You can also try to move the testkit to an area with better reception.
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Visit the 1NCE Shop and start connecting your IoT devices easily. Simply order your SIM cards, choose the desired type of SIM card and fill out all required forms. After the payment has been approved you get your cards within seven to ten business days.

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