Nordic nRF91-series _ Low Power Cellular IoT

Low power System-in-Package with integrated LTE-M/NB-IoT modem and GPS
* LTE-M and NB-IoT support in bands from 700 MHz to 2.2 GHz
* Worldwide operation
* Up to +23 dBm output power
* -108 dBm RX sensitivity (LTE-M)
* Arm Cortex-M33
* 1 MB flash + 256 kB RAM
* Arm TrustZone + Arm CryptoCell
* eDRX, PSM
* SMS, IPv4/IPv6
* TCP/UDP, TLS/DTLS
* BSD secure socket, LTE L3 API’s
* AT commands for control