October 31, 2018

ICP Electronics Australia is proud to introduce ICP DAS’ New LRA-900 RS-232/RS-485 to LoRa Radio Modem.

The LRA-900 is an RS-232/RS-485 to radio device designed for remote communication, which operates in a transparent transmission mode and makes use of the physical layer of LoRA (Long Range) transmission technology. It provides a maximum line-of-sight (LOS) transmission distance of 1500 metres at an RF bit rate of less than 1000 bps. To overcome any interference that might be encountered during use in harsh environments, the LRA-900 allows the minimum RF transmission bit rate to be configured to as low as 250 bps, enhancing the modem’s capability to resist noise and other interference. Harsh environments are no barrier to device operation either, as the LRA-900 can operate in temperatures spanning from -25°C up to 75°C.

Finally, the RF channels and Group IDs can be adjusted, which is helpful for avoiding interference in situations where two LRA-900 networks are operating adjacent to each other. The RF channels and Group IDs can be configured in order to distinguish and control different LRA-900 networks.

 

KEY FEATURES:

  • LoRa (Long Range) Transmission Technology
  • Transparent Transmission Mode
  • 32 RF Channels (Frequency Band: 864~ 871.5MHz, 915 to 922.5MHz, with 868 +/- 4 MHz Use Recommended)
  • 7 RF Baud Rates (10,000 to 250 bps)
  • Wireless Line-of-Sight (LOS) Transmission Range of up to 1500 Metres at an RF Baud Rate of 1000 bps
  • Provides Baud Rates from 1200 to 115200 bps for Both the RS-232 and RS-485 Interfaces
  • ESD Protection: Contact +/-4 kV
  • Isolation: 3000 VDC for DC-to-DC, 2500 Vrms Using a Photocoupler
  • DIN-Rail Mountable
  • Operating Temperature of -25°C to 75°C
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