− | <span class="asterisk">*</span> <b>NB</b> stands for Narrowband IoT (NB-IoT) mobile communication. <b>M1</b> stands for LTE Cat M1 communication. | + | <span class="asterisk">*</span> <b>NB</b> is Narrowband IoT (NB-IoT) and <b>M1</b> - LTE Cat M1 communications technologies |