Description and Features
Features
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3GPP Rel-14 NB2
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Support for GNSS/A-GPS and Rel-14 OTDOA positioning
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SAW-less RF transceiver
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Half-duplex FDD in most 3GPP NB-IoT and LTE-M bands (452-960MHz, 1427 2200MHz)
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Support for LTE power class 3 (23dBm)
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On-chip PMU with DC-DC converter and LDOs
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On-chip DCXO
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Real-time clock (RTC) and power management for extended DRX and power saving mode (PSM)
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Typically consumes 1.4uA in PSM
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General-purpose ADC & DAC
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Peripheral interfaces for sensors and actuators (QSPI/SPI, I2C, UART, PWM, PDM) and UICC/SIM interface • Cellular communications protocol stacks for 4G
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TCP/IP stack including IoT-specific protocols such as MQTT, CoAP, and LwM2M to connect to the cloud
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Firmware upgrade over-the-air (FOTA)
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JavaScript interpreter for rapid user app development
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Access to modem by AT commands
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from external MCU via UART interface
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On request, C-based SDK with debugging via JTAG