SARA-R540S module

LTE-M / NB-IoT module for 400 MHz spectrum with Secure Cloud

Designed to last an IoT lifetime: 5G-ready with the u-blox UBX-R5 chipset

  • Built-in end-to-end security with hardware-based root of trust inside discrete secure element
  • IoT-Security-as-a-Service with foundation, design and end-to-end security, as well as access control
  • Support of Power Class 2 (26 dBm) over the 400 MHz spectrum
  • Optimized ultra-low power consumption
  • Critical firmware updates delivered and services enabled via uFOTA
cellular
standard

Standard

professional

Professional

automotive

Automotive

Product variants

SARA-R540S

Secure Cloud LTE-M and NB-IoT module for multi-regional use with 400 MHz spectrum support

Product selection
Documentation & resources
Product description
Product variantsSARA-R540S
Global
LTE bands1, 2, 3, 4, 5, 8, 12, 13, 18, 19, 20, 25, 26, 28, 31, 66, 71, 72, 73, 85, 87, 88
LTE power class [dBm]23
UART2
USB1
I2C1
GPIO6
USIM1
Maximum supply [V]4.5
Minimum supply [V]3
Maximum temperature [°C]85
Minimum temperature [°C]-40
Antenna dynamic tuning
CellTime
Embedded CoAP
Embedded FTP/HTTP
Embedded MQTT, MQTT-SN
Embedded TCP/UDP
FW update via serial interface
Jamming detection
Last gasp
LwM2M with dynamically configurable objects
Root of trust: secure element
Secure cloud services
TLS/DTLS
uFOTA
Ultra low PSM (deep sleep)
Dimensions [mm]16.0×26.0×2.2
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