Introduction:

The LRA-900 is a RS-232/RS-485 to radio device designed for remote communication operating in a transparent way and exploiting the physical layer of LoRa (Long Range) transmission technology.
The LRA-900 provides a maximum line of sight (LOS) transmission distance of 1500 meters at an RF bit rate less than 1000 bps. In order to overcome the interference that may be encountered in harsh environments, the LRA-900 allows the minimum RF transmission bit rate to be configured to as low as 250 bps, enhancing the capability of the modem to resist noise and other interference. Additionally, the RF channels and Group IDs are adjustable, which is helpful to avoid interference encountered when two LRA-900 networks are adjacent. The RF channels and the Group IDs can be configured in order to distinguish and control different LRA-900 networks.

 

Features:

LoRa (Long Range) transmission technology Transparent transmission mode 32 RF channels (Frequency band : 864~ 871.5MHz, 915 to 922.5MHz, recommend using 868 +/- 4 MHz) 7 RF baud rates (10,000 to 250 bps) Wireless line of sight (LOS) transmission range of up to 1500 meters at an RF baud rate of 1000 bps Provides baud bates 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: -25 °C to +75 °C

 

Applications:

 

Ordering Information:

LRA-900 CR

RS-232 / RS-485 to LoRa Radio Modem (RoHS)

For more information, please refer to 
https://www.icpdas.com/en/product/LRA-900