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

C

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
Area  
Global
Cellular features  
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
Interfaces  
UART2
USB1
DDC (I2C compliant)1
GPIO6
UCIM1
Electrical data  
Maximum supply [V]4.5
Minimum supply [V]3
Environmental data,
quality & reliability
 
Maximum temperature [°C]85
Minimum temperature [°C]-40
Features 
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 
Dimensions [mm]16.0×26.0×2.2 x
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