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WLR089U0 Image

The WLR089U0 from Microchip is an Ultra-Low Power, LoRa module that operates from 863 to 928 MHz. This module combines the ATSAMR34J18B SiP (System-in-Package), 32.768 kHz crystal, 32 MHz TCXO, RF switch, lumped element harmonics rejection filter, impedance matching circuits, Low Pass Filter (LPF), and required RF shielding in a compact 17 mm x 13.5 mm design.

The WLR089U0 supports LoRa, FSK, MSK, and OOK modulations and delivers up to 18.6 dBm TX power with an RX sensitivity down to -136 dBm. This standalone module includes a 32-bit ARM Cortex-M0+ processor and offers 256KB of Flash and 40KB of SRAM. The highly configurable module peripherals include up to 4 SERCOMs (configurable as I2C/SPI /UART/LIN interfaces) with one in the low power domain, 7 12-bit ADC channels and 2 analog comparators.

LoRa technology is a spread spectrum protocol optimized for low data-rate, ultra-long range signaling. It is ideal for battery-powered remote sensors and controls. The module also has a USB interface, making it ideal for USB dongle applications or for software updates via USB. With ultra-low power sleep currents as low as 790nA, this module is ideal for battery-powered remote sensor applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Microchip Technology
  • Description
    Sub-GHz Low Power LoRa Module

General Parameters

  • Technology
  • Frequency
    863 to 928 MHz
  • Data Rate
    2 to 4 kbps
  • Modulation
    LoRa, FSK, MSK and OOK
  • Supply Voltage
    1.8 to 3.5 V
  • Current Receiving
    12.6 mA
  • Current Transmitting
    41.4 to 114.6 mA
  • Output Power
    18.5 dBm
  • Sensitivity
    -136 dBm
  • Interface Type
  • Memory
    256 KB (Flash) 40 KB (RAM)
  • Processor
    ARM Cortex -M0+ CPU running at up to 48 MHz
  • Mounting Type
    Surface Mount
  • Dimension
    17 x 13.5 mm
  • Operating Temperature
    -40 to 85 Degree C
  • Storage Temperature
    -50 to 150 Degree C

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