LR200U – Serial (USB Virtual COM) over LoRa

Discontinued
1 x USB (Virtual COM)
1200~38.4K bps with Star function
Output power 20 dBm
Distance up to 5 km

Overview & DiagramDistanceSpecificationsInquiryDownload

LoRa is ideal for transmission in a long distance with small data packet less than 200 bytes such as sensor’s data of which packet size is usually 30~40 bytes.

Modbus RTU to Modbus RTU

Modbus RTU to Digital I/O

Serial commands to Serial devices

LoRa transmission distance can be extended using high gain antennas

LoRa antenna types Distance in free open space
Omni 2 dBi to 2 dBi Up to 1 km
Omni 3 dBi to 3 dBi Up to 1-3 km
Panel 6 dBi to Omni 3 dBi Up to 3-5 km

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Serial (USB Virtual COM) Passthrough over LoRa
LoRaWAN NOT supported
Unable to communicate with third party LoRa device

CPU : 32 bits MCU ,40 MHz , 16KB SRAM, 128KB Flash ROM

LoRa : Semtech SX1272
Frequency :  ISM band 862 ~ 936MHz
Receiver Sensitivity : -137 dBm
Transmit Output Power : 20 dBm
Sleep Current : 3uA (at power down state)
TX current < 140 mA@20 dbm , RX current < 10 mA
Security processor ( 128/192/256 bits AES )
Packet engine up to 256 bytes with CRC
Antenna : SMA Type , 2 dBi , changeable
Distance : Up To 5000 Meters in free space
Data Rate : 0.244 ~ 18.2 kbits/sec. (LoRa) / 300 K bps (FSK)
Application mode : Star

USB Port
Number of Port : 1 x USB , Connector : USB type B
Chipset : Silicon Laboratories CP2102
Compliant : USB 1.0 , 1.1 , 2.0
Baud Rates : Full speed 12 M bps
Provide USB Driver
Driver Support : Windows-98/ 2000/ XP/ 2003/ Vista /Win-7/Win-10, Mac Osx / Os9 / Linux2.4 / 2.6

Temperature / Humidity ( optional )
Setup Tool : Windows Utility
Power : DC 5V / 150ma @ 5V
Led Lamp : SYS (red) , Pairing (green) , Rx(red) , Tx(green)
Operating Temperature: -10 °C ~ 75 °C
Storage Temperature : -20 °C ~ 85 °C
Dimensions : 100 x 90 x 25 mm ( W x D x H )
Weight : 150 g ( not include power )

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    Downloads

    File Description File size
    pdf LR200S Setup and Grouping Guide LR200S Setup and Grouping Guide - LoRa to Serial
    818 KB
    pdf LR200EM Setup and Grouping Guide LR200EM Setup and Grouping Guide - Modbus TCP to RTU over LoRa
    2 MB
    pdf LoRa User Manual 201803a LR200 series User's Manual
    2 MB
    zip LoRa Setup Tool v1.1.1.0 LoRa Setup Tool - Sky_Setting_Tool_v1.1.1.0
    40 KB
    pdf LoRa module FCC 172181431_AA_00_final LR200 series LoRa module FCC Report
    153 KB
    pdf LoRa distance with outdoor high gain antennas LoRa distance with outdoor high gain antennas
    142 KB
    zip IP Search Utility CVBrowser IP Search Utility CVBrowser V1.30 (for models with Ethernet)
    248 KB
    zip Serial Port TCP/IP Test Utility Serial Port TCP/IP Test Utility
    13 MB
    pdf Transmission over LoRa Test Guide among multiple LR200E Transmission over LoRa Test Guide among multiple LR200E
    1 MB
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