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4	4	**Contents:**
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	7	+{{toc/}}
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12	12
13	13	= 1.  Introduction =
14	14
15		-== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
	17	+== 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
16	16
17	17	(((
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20	20	(((
21		-The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
	23	+The Dragino LLDS12 is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
	24	+)))
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	26	+(((
	27	+The LLDS12 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
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24		-It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
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	31	+It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
	32	+)))
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	34	+(((
	35	+The LoRa wireless technology used in LLDS12 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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27		-The LoRa wireless technology used in LDDS75 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.
	38	+(((
	39	+LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
	40	+)))
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29		-
30		-LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
31		-
32		-
33		-Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
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35		-
36		-(% style="color:#4472c4" %) ***** (%%)Actually lifetime depends on network coverage and uplink interval and other factors
	42	+(((
	43	+Each LLDS12 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37	37	)))
38	38	)))
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45	45	== ​1.2  Features ==
46	46
47	47	* LoRaWAN 1.0.3 Class A
48		-* Ultra low power consumption
49		-* Distance Detection by Ultrasonic technology
50		-* Flat object range 280mm - 7500mm
51		-* Accuracy: ±(1cm+S*0.3%) (S: Distance)
52		-* Cable Length : 25cm
	55	+* Ultra-low power consumption
	56	+* Laser technology for distance detection
	57	+* Operating Range - 0.1m~~12m①
	58	+* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
	59	+* Monitor Battery Level
53	53	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
54	54	* AT Commands to change parameters
55	55	* Uplink on periodically
56	56	* Downlink to change configure
57		-* IP66 Waterproof Enclosure
58		-* 4000mAh or 8500mAh Battery for long term use
	64	+* 8500mAh Battery for long term use
59	59
60		-
61	61	== 1.3  Probe Specification ==
62	62
63	63	* Storage temperature ：-20℃~~75℃
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799	799	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
800	800	* Blink once when device transmit a packet.
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	807	+
	808	+
802	802	== 2.8  ​Firmware Change Log ==
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1275	1275	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1278	1278	= 10. ​ Packing Info =
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1290	1290	* Weight / pcs : g
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1293	1293	= 11.  ​Support =
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1295	1295	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.

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1		-XWiki.Xiaoling

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