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18	18	The Dragino S31x-LB is a (% style="color:blue" %)**LoRaWAN Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via LoRaWAN wireless protocol.
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20		-The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a **waterproof anti-condensation casing **for long term use.
	20	+The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
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22	22	The LoRa wireless technology used in S31x-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
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37	37	* LoRaWAN 1.0.3 Class A
38	38	* Ultra-low power consumption
39		-* 1 ~~ 3 External Temperature Probesr
	39	+* External 3 meters SHT31 probe (For S31-LB)
40	40	* Measure range -55°C ~~ 125°C
41		-* Temperature alarm
	41	+* Temperature & Humidity alarm
42	42	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
43	43	* Support Bluetooth v5.1 and LoRaWAN remote configure
44	44	* Support wireless OTA update firmware
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57	57	(% style="color:#037691" %)**Temperature Sensor:**
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59		-* Dallas DS18B20
60		-* Range: -55 to + 125°C
61		-* Accuracy ±0.5°C (max ±2.0 °C).
	59	+* Range: -40 to + 80°C
	60	+* Accuracy: ±0.2 @ 0-90 °C
	61	+* Resolution: 0.1°C
	62	+* Long Term Shift: <0.03 °C/yr
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	64	+(% style="color:#037691" %)**Humidity Sensor: **
	65	+
	66	+* Range: 0 ~~ 99.9% RH
	67	+* Accuracy: ± 2%RH ( 0 ~~ 100%RH)
	68	+* Resolution: 0.01% RH
	69	+* Long Term Shift: <0.25 %RH/yr
	70	+
63	63	(% style="color:#037691" %)**LoRa Spec:**
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65	65	* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz