EMB-LR1276S

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868 / 915 MHz
LoRa® / LoRaWAN® module

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  • Description

    EMB-LR1276S is a 868 / 915 MHz wireless module that combines high performance to very small dimensions and low cost, providing the system integrator a simple and easy way to add LoRa® / LoRaWAN® long range connectivity into existing products.

    Notable features include:

    • output power can be set up to +18 dBm (~80 mW, for US) or to +14 dBm (~25 mW, for EU)
    • sensitivity up to -136 dBm
    • extremely reduced power consumption in low power mode (≤1 μA in XLP sleep)
    • embedded IEEE EUI-64 address (EMB-LR1276S)
    • open platform
    • small form factor (11.5 x 11.5 x 2mm)
    • Crypto Unit (Microchip ATECC608A) to protect communication

    The EMB-LR1276S module is provided with an embedded LoRa®/LoRaWAN® stack specifically developed by Microchip that allows being compliant with the latest LoRaWAN® specifications, allowing a customer to develop firmware application and manage a compatible LoRa eco-system.

    The EMB-LR1276S modules are programmed with EBI-LoRa which allows the customer to use the modules as a simple, ready-to-use modem (using AT-like commands over UART; see EBI protocol page for more information). The evaluation kit EMB-LR1276S-EVK is strongly suggested to customers willing to develop their own firmware applications since the kit provides all tools required to download a custom firmware on the module.

    Please note that the EMB-LR1276S is available in 2 versions :
    EMB-LR1276S/PC – Pad connector
    EMB-LR1276S/UL – with micro U.FL connector for external antenna.

  • Technical Specifications
    • Based on Microchip SAMR34 SiP
    • Program memory: 256 KB
    • RAM: 32 KB
    • Output power (MAX): +14 dBm / +18 dBm (with PA boost)
    • 32MHz and 32Khz Crystals
    • Sensitivity: -136 dBm
    • AES software encryption available
    • Form factor: 11.5 x 11.5 x 2 mm
    • Power consumption (sleep): <1 µA
    • Supply voltage: 3.3 V

  • Network Topologies Supported
    Topology Firmware stack Notes
    NetworkTopology-P2P-small Embit LoRa stack

    		 Supported also via UART commands, thanks to Embit EBI-LoRa.
    NetworkTopology-Star-small Embit LoRa stack Supported also via UART commands, thanks to Embit EBI-LoRa.
  • Firmware Support

    Supported firmware stacks:

    • Embit LoRa stack: Embit LoRa / LoRaWAN stack SDK

    Supported EBI variants:

    • Embit Binary Interface for LoRa / LoRaWAN protocol: EBI-LoRa
  • Documentation

    Brochure: EMB-LR1276S-brochure
    Datasheet: EMB-LR1276S-Datasheet rev 1.1
    Application Note: Important Procedure for Re-programming EMB-LR1276S
    Eagle Library: EMB-LR1276S_Eagle_Library
    Altium Library: EMB-LR1276S_Altium_Library

  • Ordering Information

    Part numbers: EMB-LR1276S/PC, EMB-LR1276S/UL

    Please note: All the modules EMB-LR1276S are pre-programmed with EBI-LoRa.

    For quotes, please use the quotation form or contact our sales area at .