Информация о продукте

iM880B-L

Long Range Radio Module

The iM880B-L is a compact and low-cost radio module that operates in the unlicensed 868 MHz band and combines a powerful Cortex-M3 controller with the new LoRa™ transceiver SX1272 of Semtech Corporation. A sensitivity of up to -138 dBm and a maximum output power of +19 dBm results in a link budget of more than 156 dB. Even when reducing the output power to +14 dBm ranges beyond 12 km are possible in free space. The iM880B-L is pre-certified according the European R & TTE guideline and can be soldered like an SMD component.

Embedded Software: The iM880B-L can be ordered with a pre-programmed embedded protocol stack in two options:

iM880B-L_LR_Base:This WiMOD LR (Long Range) Base firmware is a collection of functionalities and applications like Radio Link Test, Sensor App., Data Link Service, etc. embedded in our powerful WiMOD OS operating system. It does not include any LoRaWAN functionalities. The WiMOD LR HCI interface provides to the user direct access to many radio parameters. Please refer to the download section.

iM880B-L_LoRaWAN:The LoRaWAN protocol stack, specified by the LoRa Alliance, is based on IBM’s LMiC and IMST’s WiMOD-OS. It enables Low Power Wide Area Networks (LPWANs) for Internet-of-Things (IoT) and Machine-to Machine (M2M) applications and supports Direct or Over The Air (OTA) activation. It comes with the WiMOD LoRaWAN™ HCI interface and allows easy configuration. Please refer to the download section.

Key Features

  • LoRaWAN™ certified
  • Maximum sensitivity ‑138 dBm
  • Range up to 15000 m (LoS)
  • Solderable like a SMD component
  • 50Ω pad for antenna
  • RoHS conform

Application Areas

  • Automated Meter Reading
  • Home and Building Automation
  • Wireless Alarm and Security Systems
  • Industrial Monitoring and Control
  • Long Range Irrigation Systems
  • IoT (Internet of Things)
  • Smart Cities

Technical Data

  1. Frequency range:SRD Band 863 to 870 MHz
  2. Modulation:LoRa™ Spread-Spectrum
  3. RF output power:-138 dBm (SF 12; SB 125 kHz, CR 4/6)-134 dBm (SF 12; SB 250 kHz, CR 4/6)-128 dBm (SF 12; SB 500 kHz, CR 4/6)
  4. Receiver sensitivity:SRD Band 863 to 870 MHz
  5. RF datarate:0.24 to 37.5 kbps250kbps FSK-modulation
  6. RF range:up to 15000 m (line of sight)
  7. Operating voltage:2.4 V to 3.6 V< 1.8 μA (module in sleep, RTC running)
  8. Current consumption:11 mA (Rx)118 mA (Tx @ 3.0 V/ +19 dBm)
  9. Interfaces:UARTSPI*I²C*RF (LoRa™)
  10. IO's:Digital IOsAnalog Inputs
  11. Dimension (LxWxH):20 x 25 x 2 mm
  12. Operating temperature:-40°C to +85°C
  13. Certification:Prequalified according to ETSI EN 300 220LoRaWAN certified
* This functionality is not part of the standard firmware and only available on demand.

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16062100103 - TPIT Certificate V2 - IMST - iM880B.pdf (165.8 KB)
iM880B_AN017_FirmwareUpdate_V1_1.pdf (715.5 KB)
iM880x AN011 RangeTest V1_1 (253.5 KB)
iM880B AN016 RFSettings V1_1 (492.1 KB)
iM880B_Datasheet_V1_0.pdf (446.5 KB)
iM880B_LoRa_Alliance_IMST_Certificate.pdf (315.5 KB)

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