Nordic Thingy:91 X Cellular IoT prototyping platform

nRF91x1 SiP LTE firmware - what it is and how it works

The nRF91x1 SiP LTE firmware is provided as pre-compiled binaries, signed and encrypted by Nordic Semiconductor.

• Details

  • Pre-compiled binary, signed and encrypted
    • Update via PC tool nRF Connect for Desktop
    • Secure boot with image authentication
  • LTE Rel-14 Cat-M1 (LTE-M/eMTC)
  • LTE Rel-14 Cat-NB1/2 (NB-IoT)
  • Type B half duplex (HD), frequency division duplex (FDD)
  • Cat-M1 operation is enabled on E-UTRA Bands 1, 2, 3, 4, 5, 8, 12, 13, 18, 19, 20, 25, 26, 28, 66
    and 85.
  • Cat-NB1 operation is enabled on E-UTRA Bands 1, 2, 3, 4, 5, 8, 12, 13, 17, 19, 20, 25, 26, 28, 65, 66
    and 85.
  • Power saving
    • Power Save Mode (PSM)
    • Idle-DRX and Connected Mode-DRX, DRX/extended-DRX in both
    • Independent clock and sleep state control
    • Support for 3GPP CP-RAI and AS-RAI (Release Assistance Indication)
    • Support for MAC Inactivity Monitoring
    • Support for NIDD (Non-IP Data Delivery)
    • First LTE search optimizations
    • Modem Sleep notifications
    • Pre-evaluation of a connection
    • LTE based positioning
  • Interface to Application CPU
    • AT-command Interface for control
    • Socket Interface for Data
    • Modem production test support
    • Antenna Tuner per band Configurability with limited MIPI-RFFE support
  • Integrated TLS(1.2)/DTLS(1.2) and TCP/UDP/IPV4/IPV6 Dual Stack
    • Storage of TLS and Cloud credentials
  • SMS PDU Mode
  • Differential FOTA support enables small upgrade images
  • Support for SIM ATK and remote provisioning via Bearer Independent Protocol
    • eSIM support
  • GPS L1 C/A  and QZSS L1C/A positioning
  • GPS L1 C/A and QZSS L1C/A receiver during LTE PSM and Idle DRX/extended-DRX modes
  • GPS time based configurable IO-pin / pulse
  • Single shot, fixed interval and continuous tracking modes

• TLS Cipher suites

  • mbed TLS Name / NIST Name	Value
    TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA384	{0xC0,0x24}
    TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA	{0xC0,0x0A}
    TLS-ECDHE-ECDSA-WITH-AES-256-GCM-SHA384	{0xC0,0x2C}
    TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA256	{0xC0,0x23}
    TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA	{0xC0,0x09}
    TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256	{0xC0,0x2B}
    TLS-ECDHE-RSA-WITH-AES-256-CBC-SHA	{0xC0,0x14}
    TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA256	{0xC0,0x27}
    TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA	{0xC0,0x13}
    TLS-ECDHE-RSA-WITH-AES-128-GCM-SHA256	{0xC0,0x2F}
    TLS-ECDHE-RSA-WITH-AES-256-GCM-SHA384	{0xC0,0x30}
    TLS-PSK-WITH-AES-256-CBC-SHA	{0x00,0x8D}
    TLS-PSK-WITH-AES-128-CBC-SHA256	{0x00,0xAE}
    TLS-PSK-WITH-AES-128-CBC-SHA	{0x00,0x8C}
    TLS-PSK-WITH-AES-128-CCM-8	{0xC0,0xA8}
    TLS-EMPTY-RENEGOTIATIONINFO-SCSV	{0x00,0xFF}