https://www.renesas.com/en/products/ryz014a
RYZ014A - LTE Cat-M1 Cellular IoT Module | Renesas
The RYZ014A module is an all-in-one, single-mode LTE category M1 module with worldwide deployment and roaming capability.
lte cat m1cellular iotmodulerenesas
https://www.st.com/en/applications/connectivity/lte-cat-m1-and-nbiot.html
LTE: Cat M1 and NB-IoT (Narrowband IoT) | Application - STMicroelectronics
Narrowband IoT (NB-IoT or LTE Cat NB1) is a low-power wide-area network (LPWAN) radio technology standard developed to enable a wide range of devices and...
lte cat m1nb iotnarrowbandapplicationstmicroelectronics
https://www.cnx-software.com/2018/12/20/qualcomm-9205-nb-iot-cat-m1-low-cost-power-consumption/?amp=1
Qualcomm 9205 NB-IoT & Cat M1 LTE Modem Lowers Costs, Power Consumption - CNX Software
Dec 20, 2018 - Qualcomm has introduced a new LTE IoT chipset with Qualcomm 9205 LTE modem that supports Cat M1 (eMTC), NB2 (NB-IoT), 2G/E-GPRS fallback, as well as GNSS.