Manual

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LSN50V2-D2x LoRaWAN Waterproof, Outdoor Temperature Sensor 23 / 24
5. FAQ
5.1 What is the frequency range of LSN50v2-D20?
Different LSN50V2-D20 version supports different frequency range, below is the table for the
working frequency and recommend bands for each model:
Version
LoRa IC
Working Frequency
Best Tune
Frequency
Recommend Bands
433
SX1278
Band2(LF): 410 ~525 Mhz
433Mhz
CN470/EU433
868
SX1276
Band1(HF):862~1020 Mhz
868Mhz
EU868/IN865/RU864
915
SX1276
Band1(HF):862 ~1020 Mhz
915Mhz
AS923/AU915/
KR920/US915
5.2 What is the Frequency Plan?
Please refer Dragino End Node Frequency Plan:
http://wiki.dragino.com/index.php?title=End_Device_Frequency_Band
5.3 How to update the firmware?
User can upgrade the firmware for 1) bug fix, 2) new feature release or 3) change frequency plan.
Please see this link for how to upgrade:
http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_prod
ucts#Hardware_Upgrade_Method_Support_List