Long Range Radio Module
The iM880A-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 -137 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 iM880A-L is pre-certified according the European R & TTE guideline and can be soldered like an SMD component.
Embedded Software: The iM880A-L can be ordered with a pre-programmed embedded protocol stack in two options:
iM880A-L LR Base:This WiMOD Long Range 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. The WiMOD LR HCI interface provides to the user direct access to many radio parameters. Please refer to the download section.
iM880A-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.
- Maximum output power +19 dBm
- Maximum sensitivity ‑137 dBm
- Range up to 15000 m (LoS)
- Solderable like a SMD component
- 50Ω pad for antenna
- RoHS conform
- 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
- Frequency range:SRD Band 863 to 870 MHz
- Modulation:LoRa™ Spread-Spectrum
- RF output power:up to +19 dBm (50Ω pad)
- Receiver sensitivity:-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)
- RF datarate:0.24 to 37.5 kbps
- RF range:up to 15000 m (line of sight)
- Operating voltage:2.4 V to 3.6 V< 2.5 μA (module in sleep, RTC running)
- Current consumption:11 mA (Rx)118 mA (Tx @ 3.0 V/ +19 dBm)
- Interfaces:UARTSPI*I²C*RF (LoRa™)
- IO's:Digital IOsAnalog Inputs
- Dimension (LxWxH):20 x 25 x 2 mm
- Operating temperature:-20°C to +70°C
- Certification:Prequalified according to ETSI EN 300 220
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