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1	1	(% style="text-align:center" %)
2		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654846127817-788.png?rev=1.1||alt="1654846127817-788.png"]]
	2	+[[image:1654846127817-788.png]]
3	3
4	4	**Contents:**
5	5
6		-* [[1.  Introduction>>path:#H1.A0Introduction]]
7		-** [[1.1 ​ What is LoRaWAN Distance Detection Sensor>>path:#H1.1200BWhatisLoRaWANDistanceDetectionSensor]]
8		-** [[​1.2  Features>>path:#H200B1.2A0Features]]
9		-** [[1.3  Specification>>path:#H1.3A0Specification]]
10		-*** [[1.3.1  Rated environmental conditions>>path:#H1.3.1A0Ratedenvironmentalconditions]]
11		-*** [[1.3.2  Effective measurement range Reference beam pattern>>path:#H1.3.2A0EffectivemeasurementrangeReferencebeampattern]]
12		-** [[1.5 ​ Applications>>path:#H1.5200BApplications]]
13		-** [[1.6  Pin mapping and power on>>path:#H1.6A0Pinmappingandpoweron]]
14		-* [[2.  Configure LDDS75 to connect to LoRaWAN network>>path:#H2.A0ConfigureLDDS75toconnecttoLoRaWANnetwork]]
15		-** [[2.1  How it works>>path:#H2.1A0Howitworks]]
16		-** [[2.2  ​Quick guide to connect to LoRaWAN server (OTAA)>>path:#H2.2A0200BQuickguidetoconnecttoLoRaWANserver28OTAA29]]
17		-** [[2.3  ​Uplink Payload>>path:#H2.3A0200BUplinkPayload]]
18		-*** [[2.3.1  Battery Info>>path:#H2.3.1A0BatteryInfo]]
19		-*** [[2.3.2  Distance>>path:#H2.3.2A0Distance]]
20		-*** [[2.3.3  Interrupt Pin>>path:#H2.3.3A0InterruptPin]]
21		-*** [[2.3.4  DS18B20 Temperature sensor>>path:#H2.3.4A0DS18B20Temperaturesensor]]
22		-*** [[2.3.5  Sensor Flag>>path:#H2.3.5A0SensorFlag]]
23		-*** [[2.3.6  Decode payload in The Things Network>>path:#H2.3.6A0DecodepayloadinTheThingsNetwork]]
24		-** [[2.4  Uplink Interval>>path:#H2.4A0UplinkInterval]]
25		-** [[2.5  ​Show Data in DataCake IoT Server>>path:#H2.5A0200BShowDatainDataCakeIoTServer]]
26		-** [[2.6  Frequency Plans>>path:#H2.6A0FrequencyPlans]]
27		-*** [[2.6.1  EU863-870 (EU868)>>path:#H2.6.1A0EU863-87028EU86829]]
28		-*** [[2.6.2  US902-928(US915)>>path:#H2.6.2A0US902-92828US91529]]
29		-*** [[2.6.3  CN470-510 (CN470)>>path:#H2.6.3A0CN470-51028CN47029]]
30		-*** [[2.6.4  AU915-928(AU915)>>path:#H2.6.4A0AU915-92828AU91529]]
31		-*** [[2.6.5  AS920-923 & AS923-925 (AS923)>>path:#H2.6.5A0AS920-92326AS923-92528AS92329]]
32		-*** [[2.6.6  KR920-923 (KR920)>>path:#H2.6.6A0KR920-92328KR92029]]
33		-*** [[2.6.7  IN865-867 (IN865)>>path:#H2.6.7A0IN865-86728IN86529]]
34		-** [[2.7  LED Indicator>>path:#H2.7A0LEDIndicator]]
35		-** [[2.8  ​Firmware Change Log>>path:#H2.8A0200BFirmwareChangeLog]]
36		-** [[2.9  Mechanical>>path:#H2.9A0Mechanical]]
37		-** [[2.10  Battery Analysis>>path:#H2.10A0BatteryAnalysis]]
38		-*** [[2.10.1  Battery Type>>path:#H2.10.1A0BatteryType]]
39		-*** [[2.10.2  Replace the battery>>path:#H2.10.2A0Replacethebattery]]
40		-* [[3.  Configure LDDS75 via AT Command or LoRaWAN Downlink>>path:#H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink]]
41		-** [[3.1  Access AT Commands>>path:#H3.1A0AccessATCommands]]
42		-** [[3.2  Set Transmit Interval Time>>path:#H3.2A0SetTransmitIntervalTime]]
43		-** [[3.3  Set Interrupt Mode>>path:#H3.3A0SetInterruptMode]]
44		-* [[4.  FAQ>>path:#H4.A0FAQ]]
45		-** [[4.1  What is the frequency plan for LDDS75?>>path:#H4.1A0WhatisthefrequencyplanforLDDS753F]]
46		-** [[4.2  How to change the LoRa Frequency Bands/Region>>path:#H4.2A0HowtochangetheLoRaFrequencyBands2FRegion]]
47		-** [[4.3  Can I use LDDS75 in condensation environment?>>path:#H4.3A0CanIuseLDDS75incondensationenvironment3F]]
48		-* [[5.  Trouble Shooting>>path:#H5.A0TroubleShooting]]
49		-** [[5.1  Why I can’t join TTN V3 in US915 / AU915 bands?>>path:#H5.1A0WhyIcan2019tjoinTTNV3inUS9152FAU915bands3F]]
50		-** [[5.2  AT Command input doesn't work>>path:#H5.2A0ATCommandinputdoesn27twork]]
51		-* [[6.  Order Info>>path:#H6.A0OrderInfo]]
52		-* [[7. ​ Packing Info>>path:#H7.200BPackingInfo]]
53		-* [[8.  ​Support>>path:#H8.A0200BSupport]]
	6	+{{toc/}}
54	54
55	55
56	56
...	...	@@ -87,7 +87,7 @@
87	87	)))
88	88
89	89
90		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654847051249-359.png?rev=1.1||alt="1654847051249-359.png"]]
	43	+[[image:1654847051249-359.png]]
91	91
92	92
93	93
...	...	@@ -106,11 +106,12 @@
106	106	* IP66 Waterproof Enclosure
107	107	* 4000mAh or 8500mAh Battery for long term use
108	108
	62	+
109	109	== 1.3  Specification ==
110	110
111	111	=== 1.3.1  Rated environmental conditions ===
112	112
113		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610154839-1.png?rev=1.1||alt="image-20220610154839-1.png"]]
	67	+[[image:image-20220610154839-1.png]]
114	114
115	115	**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
116	116
...	...	@@ -124,7 +124,7 @@
124	124
125	125
126	126
127		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]]
	81	+[[image:1654852253176-749.png]]
128	128
129	129
130	130
...	...	@@ -131,7 +131,7 @@
131	131	**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
132	132
133	133
134		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]](% style="display:none" %) ** **
	88	+[[image:1654852175653-550.png]](% style="display:none" %) ** **
135	135
136	136
137	137
...	...	@@ -148,10 +148,11 @@
148	148	* Bottom water level monitoring
149	149
150	150
	105	+
151	151	== 1.6  Pin mapping and power on ==
152	152
153	153
154		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654847583902-256.png?rev=1.1||alt="1654847583902-256.png"]]
	109	+[[image:1654847583902-256.png]]
155	155
156	156
157	157
...	...	@@ -164,7 +164,7 @@
164	164	)))
165	165
166	166	(((
167		-In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>path:#H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink]]to set the keys in the LDDS75.
	122	+In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
168	168	)))
169	169
170	170
...	...	@@ -176,7 +176,7 @@
176	176	)))
177	177
178	178	(((
179		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654848616367-242.png?rev=1.1||alt="1654848616367-242.png"]]
	134	+[[image:1654848616367-242.png]]
180	180	)))
181	181
182	182	(((
...	...	@@ -191,7 +191,7 @@
191	191	Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
192	192	)))
193	193
194		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220607170145-1.jpeg?rev=1.1||alt="image-20220607170145-1.jpeg"]]
	149	+[[image:image-20220607170145-1.jpeg]]
195	195
196	196
197	197	For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
...	...	@@ -200,25 +200,25 @@
200	200
201	201	**Add APP EUI in the application**
202	202
203		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-4.png?rev=1.1||alt="image-20220610161353-4.png"]]
	158	+[[image:image-20220610161353-4.png]]
204	204
205		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-5.png?rev=1.1||alt="image-20220610161353-5.png"]]
	160	+[[image:image-20220610161353-5.png]]
206	206
207		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-6.png?rev=1.1||alt="image-20220610161353-6.png"]]
	162	+[[image:image-20220610161353-6.png]]
208	208
209	209
210		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-7.png?rev=1.1||alt="image-20220610161353-7.png"]]
	165	+[[image:image-20220610161353-7.png]]
211	211
212	212
213	213	You can also choose to create the device manually.
214	214
215		- [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161538-8.png?rev=1.1||alt="image-20220610161538-8.png"]]
	170	+ [[image:image-20220610161538-8.png]]
216	216
217	217
218	218
219	219	**Add APP KEY and DEV EUI**
220	220
221		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161538-9.png?rev=1.1||alt="image-20220610161538-9.png"]]
	176	+[[image:image-20220610161538-9.png]]
222	222
223	223
224	224
...	...	@@ -227,7 +227,7 @@
227	227
228	228	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
229	229
230		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161724-10.png?rev=1.1||alt="image-20220610161724-10.png"]]
	185	+[[image:image-20220610161724-10.png]]
231	231
232	232
233	233	(((
...	...	@@ -234,7 +234,7 @@
234	234	(% 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.
235	235	)))
236	236
237		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654849068701-275.png?rev=1.1||alt="1654849068701-275.png"]]
	192	+[[image:1654849068701-275.png]]
238	238
239	239
240	240
...	...	@@ -255,15 +255,15 @@
255	255	|=(% style="width: 62.5px;" %)(((
256	256	**Size (bytes)**
257	257	)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
258		-|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>path:#H2.3.1A0BatteryInfo]]|(((
259		-[[Distance>>path:#H2.3.3A0Distance]]
	213	+|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
	214	+[[Distance>>||anchor="H2.3.3A0Distance"]]
260	260
261	261	(unit: mm)
262		-)))|[[Digital Interrupt (Optional)>>path:#H2.3.4A0Distancesignalstrength]]|(((
263		-[[Temperature (Optional )>>path:#H2.3.5A0InterruptPin]]
264		-)))|(%%)(% class="wikiinternallink" %)[[Sensor Flag>>path:#Sensor_Flag]]
	217	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
	218	+[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
	219	+)))|[[Sensor Flag>>path:#Sensor_Flag]]
265	265
266		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
	221	+[[image:1654850511545-399.png]]
267	267
268	268
269	269
...	...	@@ -290,7 +290,7 @@
290	290
291	291	=== 2.3.3  Interrupt Pin ===
292	292
293		-This data field shows if this packet is generated by interrupt or not. [[Click here>>path:#H4.2A0SetInterruptMode]] for the hardware and software set up.
	248	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
294	294
295	295	**Example:**
296	296
...	...	@@ -327,7 +327,7 @@
327	327	While using TTN network, you can add the payload format to decode the payload.
328	328
329	329
330		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850829385-439.png?rev=1.1||alt="1654850829385-439.png"]]
	285	+[[image:1654850829385-439.png]]
331	331
332	332	The payload decoder function for TTN V3 is here:
333	333
...	...	@@ -337,7 +337,7 @@
337	337
338	338	== 2.4  Uplink Interval ==
339	339
340		-The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]
	295	+The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
341	341
342	342
343	343
...	...	@@ -360,10 +360,10 @@
360	360	)))
361	361
362	362
363		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
	318	+[[image:1654592790040-760.png]]
364	364
365	365
366		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
	321	+[[image:1654592800389-571.png]]
367	367
368	368
369	369	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
...	...	@@ -370,12 +370,12 @@
370	370
371	371	(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
372	372
373		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
	328	+[[image:1654851029373-510.png]]
374	374
375	375
376	376	After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
377	377
378		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png" height="595" width="1088"]]
	333	+[[image:image-20220610165129-11.png||height="595" width="1088"]]
379	379
380	380
381	381
...	...	@@ -863,7 +863,7 @@
863	863	**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
864	864
865	865
866		-**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
	821	+**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
867	867
868	868
869	869
...	...	@@ -870,9 +870,9 @@
870	870	== 2.9  Mechanical ==
871	871
872	872
873		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-1.png?rev=1.1||alt="image-20220610172003-1.png"]]
	828	+[[image:image-20220610172003-1.png]]
874	874
875		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]]
	830	+[[image:image-20220610172003-2.png]]
876	876
877	877
878	878	== 2.10  Battery Analysis ==
...	...	@@ -894,7 +894,7 @@
894	894	[[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]]
895	895	)))
896	896
897		- [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172400-3.png?rev=1.1||alt="image-20220610172400-3.png"]]
	852	+ [[image:image-20220610172400-3.png]]
898	898
899	899
900	900
...	...	@@ -924,12 +924,12 @@
924	924
925	925	* (((
926	926	(((
927		-AT Command Connection: See [[FAQ>>path:#H7.A0FAQ]].
	882	+AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
928	928	)))
929	929	)))
930	930	* (((
931	931	(((
932		-LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
	887	+LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
933	933	)))
934	934	)))
935	935
...	...	@@ -968,7 +968,7 @@
968	968
969	969	(((
970	970	(((
971		-They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
	926	+They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
972	972	)))
973	973	)))
974	974
...	...	@@ -996,19 +996,19 @@
996	996
997	997	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.
998	998
999		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-4.png?width=988&height=483&rev=1.1||alt="image-20220610172924-4.png" height="483" width="988"]]
	954	+[[image:image-20220610172924-4.png||height="483" width="988"]]
1000	1000
1001	1001
1002	1002	Or if you have below board, use below connection:
1003	1003
1004	1004
1005		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-5.png?rev=1.1||alt="image-20220610172924-5.png"]]
	960	+[[image:image-20220610172924-5.png]]
1006	1006
1007	1007
1008	1008	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
1009	1009
1010	1010
1011		- [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-6.png?width=860&height=601&rev=1.1||alt="image-20220610172924-6.png" height="601" width="860"]]
	966	+ [[image:image-20220610172924-6.png||height="601" width="860"]]
1012	1012
1013	1013
1014	1014
...	...	@@ -1018,7 +1018,7 @@
1018	1018
1019	1019	(% style="color:#037691" %)**AT Command: AT+TDC**
1020	1020
1021		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610173409-7.png?rev=1.1||alt="image-20220610173409-7.png"]]
	976	+[[image:image-20220610173409-7.png]]
1022	1022
1023	1023
1024	1024	(((
...	...	@@ -1045,7 +1045,7 @@
1045	1045
1046	1046	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1047	1047
1048		-[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610174917-9.png?rev=1.1||alt="image-20220610174917-9.png"]]
	1003	+[[image:image-20220610174917-9.png]]
1049	1049
1050	1050
1051	1051	(% style="color:#037691" %)**Downlink Command: 0x06**
...	...	@@ -1061,13 +1061,13 @@
1061	1061
1062	1062	== 4.1  What is the frequency plan for LDDS75? ==
1063	1063
1064		-LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>path:/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/#H1.Introduction]]
	1019	+LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1065	1065
1066	1066
1067	1067
1068	1068	== 4.2  How to change the LoRa Frequency Bands/Region ==
1069	1069
1070		-You can follow the instructions for [[how to upgrade image>>path:#H2.8A0200BFirmwareChangeLog]].
	1025	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1071	1071	When downloading the images, choose the required image file for download. ​
1072	1072
1073	1073
...	...	@@ -1082,7 +1082,7 @@
1082	1082
1083	1083	== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1084	1084
1085		-It is due to channel mapping. Please see below link:  [[Frequency band>>path:/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
	1040	+It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1086	1086
1087	1087
1088	1088	== 5.2  AT Command input doesn't work ==