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9	9	**Contents:**
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19	19
20		-* [[1.  Introduction>>doc:null||anchor="H1.A0Introduction"]]
21		-** [[1.1 ​ What is LoRaWAN Distance Detection Sensor>>doc:null||anchor="H1.1200BWhatisLoRaWANDistanceDetectionSensor"]]
22		-** [[​1.2  Features>>doc:null||anchor="H200B1.2A0Features"]]
23		-** [[1.3  Specification>>doc:null||anchor="H1.3A0Specification"]]
24		-*** [[1.3.1  Rated environmental conditions>>doc:null||anchor="H1.3.1A0Ratedenvironmentalconditions"]]
25		-*** [[1.3.2  Effective measurement range Reference beam pattern>>doc:null||anchor="H1.3.2A0EffectivemeasurementrangeReferencebeampattern"]]
26		-** [[1.5 ​ Applications>>doc:null||anchor="H1.5200BApplications"]]
27		-** [[1.6  Pin mapping and power on>>doc:null||anchor="H1.6A0Pinmappingandpoweron"]]
28		-* [[2.  Configure LDDS75 to connect to LoRaWAN network>>doc:null||anchor="H2.A0ConfigureLDDS75toconnecttoLoRaWANnetwork"]]
29		-** [[2.1  How it works>>doc:null||anchor="H2.1A0Howitworks"]]
30		-** [[2.2  ​Quick guide to connect to LoRaWAN server (OTAA)>>doc:null||anchor="H2.2A0200BQuickguidetoconnecttoLoRaWANserver28OTAA29"]]
31		-** [[2.3  ​Uplink Payload>>doc:null||anchor="H2.3A0200BUplinkPayload"]]
32		-*** [[2.3.1  Battery Info>>doc:null||anchor="H2.3.1A0BatteryInfo"]]
33		-*** [[2.3.2  Distance>>doc:null||anchor="H2.3.2A0Distance"]]
34		-*** [[2.3.3  Interrupt Pin>>doc:null||anchor="H2.3.3A0InterruptPin"]]
35		-*** [[2.3.4  DS18B20 Temperature sensor>>doc:null||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
36		-*** [[2.3.5  Sensor Flag>>doc:null||anchor="H2.3.5A0SensorFlag"]]
37		-*** [[2.3.6  Decode payload in The Things Network>>doc:null||anchor="H2.3.6A0DecodepayloadinTheThingsNetwork"]]
38		-** [[2.4  Uplink Interval>>doc:null||anchor="H2.4A0UplinkInterval"]]
39		-** [[2.5  ​Show Data in DataCake IoT Server>>doc:null||anchor="H2.5A0200BShowDatainDataCakeIoTServer"]]
40		-** [[2.6  Frequency Plans>>doc:null||anchor="H2.6A0FrequencyPlans"]]
41		-*** [[2.6.1  EU863-870 (EU868)>>doc:null||anchor="H2.6.1A0EU863-87028EU86829"]]
42		-*** [[2.6.2  US902-928(US915)>>doc:null||anchor="H2.6.2A0US902-92828US91529"]]
43		-*** [[2.6.3  CN470-510 (CN470)>>doc:null||anchor="H2.6.3A0CN470-51028CN47029"]]
44		-*** [[2.6.4  AU915-928(AU915)>>doc:null||anchor="H2.6.4A0AU915-92828AU91529"]]
45		-*** [[2.6.5  AS920-923 & AS923-925 (AS923)>>doc:null||anchor="H2.6.5A0AS920-92326AS923-92528AS92329"]]
46		-*** [[2.6.6  KR920-923 (KR920)>>doc:null||anchor="H2.6.6A0KR920-92328KR92029"]]
47		-*** [[2.6.7  IN865-867 (IN865)>>doc:null||anchor="H2.6.7A0IN865-86728IN86529"]]
48		-** [[2.7  LED Indicator>>doc:null||anchor="H2.7A0LEDIndicator"]]
49		-** [[2.8  ​Firmware Change Log>>doc:null||anchor="H2.8A0200BFirmwareChangeLog"]]
50		-** [[2.9  Mechanical>>doc:null||anchor="H2.9A0Mechanical"]]
51		-** [[2.10  Battery Analysis>>doc:null||anchor="H2.10A0BatteryAnalysis"]]
52		-*** [[2.10.1  Battery Type>>doc:null||anchor="H2.10.1A0BatteryType"]]
53		-*** [[2.10.2  Replace the battery>>doc:null||anchor="H2.10.2A0Replacethebattery"]]
54		-* [[3.  Configure LDDS75 via AT Command or LoRaWAN Downlink>>doc:null||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]
55		-** [[3.1  Access AT Commands>>doc:null||anchor="H3.1A0AccessATCommands"]]
56		-** [[3.2  Set Transmit Interval Time>>doc:null||anchor="H3.2A0SetTransmitIntervalTime"]]
57		-** [[3.3  Set Interrupt Mode>>doc:null||anchor="H3.3A0SetInterruptMode"]]
58		-* [[4.  FAQ>>doc:null||anchor="H4.A0FAQ"]]
59		-** [[4.1  What is the frequency plan for LDDS75?>>doc:null||anchor="H4.1A0WhatisthefrequencyplanforLDDS753F"]]
60		-** [[4.2  How to change the LoRa Frequency Bands/Region>>doc:null||anchor="H4.2A0HowtochangetheLoRaFrequencyBands2FRegion"]]
61		-** [[4.3  Can I use LDDS75 in condensation environment?>>doc:null||anchor="H4.3A0CanIuseLDDS75incondensationenvironment3F"]]
62		-* [[5.  Trouble Shooting>>doc:null||anchor="H5.A0TroubleShooting"]]
63		-** [[5.1  Why I can’t join TTN V3 in US915 / AU915 bands?>>doc:null||anchor="H5.1A0WhyIcan2019tjoinTTNV3inUS9152FAU915bands3F"]]
64		-** [[5.2  AT Command input doesn't work>>doc:null||anchor="H5.2A0ATCommandinputdoesn27twork"]]
65		-* [[6.  Order Info>>doc:null||anchor="H6.A0OrderInfo"]]
66		-* [[7. ​ Packing Info>>doc:null||anchor="H7.200BPackingInfo"]]
67		-* [[8.  ​Support>>doc:null||anchor="H8.A0200BSupport"]]
68		-)))
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77	77
78		-
79		-
80	80	= 1.  Introduction =
81	81
82	82	== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
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132	132	)))
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158	158
159	159	=== 1.3.1  Rated environmental conditions ===
160	160
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163	163	(((
164	164	**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
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181	181	)))
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203	203	== 1.6  Pin mapping and power on ==
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206		-(% aria-label="1654847583902-256.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654847583902-256.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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228	228	)))
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243	243	Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
244	244	)))
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258	258	**Add APP EUI in the application**
259	259	)))
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268		-(% aria-label="image-20220610161353-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161353-7.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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271	271	You can also choose to create the device manually.
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273		- (% aria-label="image-20220610161538-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161538-8.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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276	276
277	277	**Add APP KEY and DEV EUI**
278	278
279		-(% aria-label="image-20220610161538-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161538-9.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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285	285
286	286	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
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291	291	(((
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292	292	(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
293	293	)))
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295		-(% aria-label="1654849068701-275.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654849068701-275.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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325	325	[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
326	326	)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
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328		-(% aria-label="1654850511545-399.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654850511545-399.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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400	400	While using TTN network, you can add the payload format to decode the payload.
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404	404
405	405	The payload decoder function for TTN V3 is here:
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435	435	)))
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438		-(% aria-label="1654592790040-760.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654592790040-760.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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439	439
440	440
441		-(% aria-label="1654592800389-571.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654592800389-571.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	376	+[[image:1654592800389-571.png]]
442	442
443	443
444	444	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
...	...	@@ -445,12 +445,12 @@
445	445
446	446	(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
447	447
448		-(% aria-label="1654851029373-510.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654851029373-510.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	383	+[[image:1654851029373-510.png]]
449	449
450	450
451	451	After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
452	452
453		-(% aria-label="image-20220610165129-11.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610165129-11.png||data-widget="image" height="595" width="1088"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	388	+[[image:image-20220610165129-11.png||height="595" width="1088"]]
454	454
455	455
456	456
...	...	@@ -955,10 +955,10 @@
955	955	== 2.9  Mechanical ==
956	956
957	957
958		-(% aria-label="image-20220610172003-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172003-1.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	893	+[[image:image-20220610172003-1.png]]
959	959
960	960
961		-(% aria-label="image-20220610172003-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172003-2.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	896	+[[image:image-20220610172003-2.png]]
962	962
963	963
964	964
...	...	@@ -981,7 +981,7 @@
981	981	[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
982	982	)))
983	983
984		- (% aria-label="image-20220610172400-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172400-3.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	919	+ [[image:image-20220610172400-3.png]]
985	985
986	986
987	987
...	...	@@ -1083,13 +1083,13 @@
1083	1083
1084	1084	LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
1085	1085
1086		-(% aria-label="image-20220610172924-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-4.png||data-widget="image" height="483" width="988"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1021	+[[image:image-20220610172924-4.png||height="483" width="988"]]
1087	1087
1088	1088
1089	1089	Or if you have below board, use below connection:
1090	1090
1091	1091
1092		-(% aria-label="image-20220610172924-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-5.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1027	+[[image:image-20220610172924-5.png]]
1093	1093
1094	1094
1095	1095	(((
...	...	@@ -1097,7 +1097,7 @@
1097	1097	)))
1098	1098
1099	1099
1100		- (% aria-label="image-20220610172924-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-6.png||data-widget="image" height="601" width="860"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1035	+ [[image:image-20220610172924-6.png||height="601" width="860"]]
1101	1101
1102	1102
1103	1103
...	...	@@ -1107,7 +1107,7 @@
1107	1107
1108	1108	(% style="color:#037691" %)**AT Command: AT+TDC**
1109	1109
1110		-(% aria-label="image-20220610173409-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610173409-7.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1045	+[[image:image-20220610173409-7.png]]
1111	1111
1112	1112
1113	1113	(((
...	...	@@ -1137,7 +1137,7 @@
1137	1137
1138	1138	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1139	1139
1140		-(% aria-label="image-20220610174917-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610174917-9.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1075	+[[image:image-20220610174917-9.png]]
1141	1141
1142	1142
1143	1143	(% style="color:#037691" %)**Downlink Command: 0x06**