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The NL865B1 is the Category NB1 evolution in the widely deployed Telit xL865 product family.

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Product Description
The NL865B1 is the Category NB1 evolution in the widely deployed Telit xL865 product family. Specified in the Release 13 of the 3GPP standard, LTE Cat NB1 is specifically tailored for IoT applications, offering optimized power consumption and enhanced coverage. In addition, with its square24.4 x 24.4 mm VQFN footprint, the NL865B1 is
designed for size sensitive applications.

The NL865B1supports embedded SIM chip as a mounting option, making it the ideal solution for durable and rugged designs, and reducing BOM cost and size on the customer’s application.

Product Features
Supported bands:

  • NL865B1-E1
  • Dual band LTE B8/B20 
  • Single Rx
  • Half Duplex FDD
  • LTE UE Category NB1
  • 3GPP Rel. 13 compliant
  • 3GPP Rel. 12 Power Saving Mode (PSM)
  • 3GPP Rel. 13 Extended Discontinuous Reception (eDRX)
  • 3GPP Rel. 13 Extended coverage
  • Control via AT commands according to 3GPP TS27.005, 27.007 and customized AT commands
  • Embedded UDP/IP stack

Family Concept
The xL865 family includes pin-to-pin compatible 2G and 3G modules - the GL865 and UL865 respectively – making it another pillar of the concept “design once and deploy globally.” It enables integrators to develop a single PCB layout for 2G, 3G and 4G Cat NB1 technologies.


  • LTE Category NB1
  • Uplink up to 20 kbps (single-tone)
  • Downlink up to 250 kbps


  • UART
  • I2C - for future release
  • GPIO
  • ADC
  • 1.8 V SIM interface
  • Optional embedded SIM chip

Physical & Environmental

  • Compact dimensions 24.4 x 24.4 x 2.6 mm
  • Extended temperature range: -40 to +85 °C


  • RED (Europe)
  • CCC (China)
  • GCF