Wiki source code of LDS02 - LoRaWAN Door Sensor User Manual

Version 51.2 by Xiaoling on 2022/11/21 11:55

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2.2	1	(% style="text-align:center" %)
33.2	2	[[image:1654679359875-169.png]]
1.1	3
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47.14	6
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47.14	13	Table of Contents:
	14
17.3	15	{{toc/}}
1.1	16
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	18
17.3	19
	20
48.4	21
	22
	23
2.2	24	= 1. Introduction =
1.1	25
33.2	26	== 1.1 What is LDS02 LoRaWAN Door Sensor ==
1.1	27
	28
3.2	29	(((
47.9	30	(((
33.5	31	The Dragino LDS02 is a (% style="color:#037691" %)LoRaWAN Door Sensor(%%). It detects door open/close status and uplink to IoT server via LoRaWAN network. user can see the door status, open time, open counts in the IoT Server.
47.9	32	)))
1.1	33
47.9	34	(((
33.5	35	LDS02 is powered by (% style="color:#037691" %)2 x AAA batteries(%%) and target for long time use, these two batteries can provide about 16,000 ~~ 70,000 uplink packets. After battery running out, user can easily open the enclosure and replace with 2 common AAA batteries.
47.9	36	)))
1.2	37
47.9	38	(((
33.5	39	The LDS02 will send periodically data every day as well as for each door open/close action. It also (% style="color:#037691" %)counts the door open times(%%) and (% style="color:#037691" %)calculate last door open duration(%%). User can also disable the uplink for each open/close event, instead, device can count each open event and uplink periodically.
47.9	40	)))
1.2	41
47.9	42	(((
33.5	43	LDS02 has the (% style="color:#037691" %)open alarm feature(%%), user can set this feature so device will send Alarm if the door has been open for a certain time.
47.9	44	)))
33.2	45
47.9	46	(((
33.5	47	Each LDS02 is (% style="color:#037691" %)pre-load with a set of unique keys(%%) for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
47.21	48
	49
3.2	50	)))
47.9	51	)))
1.2	52
34.2	53	[[image:image-20220608171947-2.png]]
1.2	54
	55
3.3	56	== 1.2 Features ==
1.2	57
50.2	58
1.2	59	* LoRaWAN Class A v1.0.3
	60	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	61	* SX1262 LoRa Core
	62	* Water Leak detect
	63	* 2 x AAA LR03 Batteries
	64	* AT Commands to change parameters
	65	* Uplink on periodically and open/close action
	66	* Remote configure parameters via LoRa Downlink
	67	* Firmware upgradable via program port
	68
50.5	69
51.2	70
3.4	71	== 1.3 Applications ==
	72
50.2	73
1.2	74	* Smart Buildings & Home Automation
	75	* Logistics and Supply Chain Management
	76	* Smart Metering
	77	* Smart Agriculture
	78	* Smart Cities
	79	* Smart Factory
	80
50.5	81
51.2	82
5.2	83	== 1.4 Dimension ==
1.2	84
50.2	85
34.3	86	Unit: mm
1.2	87
37.2	88	[[image:1654680563545-120.png]]
1.2	89
5.2	90
37.2	91	[[image:1654680510816-654.png]]
5.2	92
37.2	93
50.2	94
51.2	95
5.2	96	== 1.5 Firmware Change log ==
	97
50.2	98
26.8	99	(((
37.2	100	(((
50.2	101	LDS02 use the same firmware as LDS01：[[LDS02 Image files – Download link>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
26.8	102	)))
	103	)))
1.2	104
	105
37.3	106	= 2. Power ON LDS02 =
1.2	107
50.2	108
37.3	109	When receive the LDS02, please open the enclosure and add 2 x AAA batteries to power it. The [[LED>>\|\|anchor="H4.7LEDs"]] will blink when device is powered.
1.2	110
	111
37.4	112	= 3. How to install LDS02 =
1.2	113
50.2	114
7.4	115	(((
37.4	116	(((
	117	When install the LDS02 on wall. Please make sure install as below so the marks will close to each other when close the door.
7.4	118	)))
1.2	119
37.4	120	(((
51.1	121	Open/Close threshold range: ~~ 10mm
50.2	122
	123
37.4	124	)))
	125	)))
1.2	126
38.2	127	[[image:1654680716522-793.png]]
1.2	128
	129
37.4	130
7.2	131	= 4. Operation Mode =
1.2	132
7.2	133	== 4.1 How it works? ==
1.2	134
50.2	135
26.5	136	(((
46.2	137	The LDS02 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and [[power on>>\|\|anchor="H2.PowerONLDS02"]] the LDS02. It will auto join the network via OTAA.
26.5	138	)))
1.2	139
26.5	140	(((
49.3	141	In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>\|\|anchor="H6.UseATCommand"]] to set the keys in the devices.
26.5	142	)))
1.2	143
	144
7.3	145	== 4.2 Example to join LoRaWAN network ==
7.2	146
50.2	147
1.6	148	Here shows an example for how to join the [[TTN V3 Network>>url:https://eu1.cloud.thethings.network/]]. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
1.2	149
39.2	150	[[image:1654680810108-149.png]]
1.2	151
	152
9.6	153	(((
39.4	154	The LDS02 in installed on the door edge to detect the open / close event. And send the status to LoRaWAN server. The LDS02 will uplink two type of messages to the server.
9.6	155	)))
1.2	156
9.6	157	* (((
	158	A keep-alive message which send once per day.
	159	)))
	160	* (((
39.3	161	A door event message when there is a door open/close. ([[Alarm event can be disabled>>\|\|anchor="H7.3CanIdisableuplinkforeacheventtosavebatterylife3F"]])
9.6	162	)))
1.2	163
9.6	164	(((
29.2	165
	166
47.10	167	(((
1.2	168	The LG308 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. What we need to now is only configure the TTN V3:
50.2	169
	170
9.6	171	)))
47.10	172	)))
1.2	173
9.6	174	(((
39.4	175	(% style="color:blue" %)Step 1(%%): Create a device in TTN V3 with the OTAA keys from LDS02.
9.6	176	)))
1.2	177
9.6	178	(((
39.4	179	Each LDS02 is shipped with a sticker with unique device EUI:
9.6	180	)))
1.2	181
9.2	182	[[image:1654671040430-368.png]]
1.2	183
	184
	185	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	186
47.16	187
14.3	188	Add APP EUI in the application
1.2	189
11.2	190	[[image:1654671794691-956.png]]
1.2	191
	192
11.2	193	[[image:1654671809850-574.png]]
1.2	194
12.2	195	[[image:1654671820156-640.png]]
1.2	196
	197
40.2	198	[[image:1654681258096-500.png]]
1.2	199
	200
47.16	201
14.2	202	Add APP KEY and DEV EUI
1.2	203
40.2	204	[[image:1654671889112-678.png]]
1.2	205
40.2	206
50.2	207
47.11	208	(((
47.16	209	(% style="color:blue" %)Step 2(%%): [[Power on>>\|\|anchor="H2.PowerONLDS02"]] LDS02 and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
47.11	210	)))
1.2	211
	212
43.2	213	[[image:1654681390551-993.png]]
1.2	214
40.2	215
14.5	216	== 4.3 Uplink Payload ==
	217
26.11	218
43.2	219	Uplink Payload total 10 bytes.
1.2	220
43.6	221	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:480px" %)
43.4	222	\|=(% style="width: 80px;" %)Size(bytes)\|=(% style="width: 80px;" %)2\|=(% style="width: 80px;" %)1\|=(% style="width: 80px;" %)3\|=(% style="width: 80px;" %)3\|=(% style="width: 80px;" %)1
50.7	223	\|value\|Status&BAT\|(((
43.2	224	MOD
	225	Always:0x01
	226	)))\|Total open door events\|(((
	227	Last door open
	228	duration (unit: min)
43.4	229	)))\|[[Alarm>>\|\|anchor="H4.6AlarmBaseonTimeout"]]
43.2	230
16.2	231	Example:
1.2	232
43.2	233	[[image:1654681706301-731.png]]
1.2	234
43.2	235	[[image:1654681714641-440.png]]
1.2	236
43.2	237
16.3	238	(((
50.6	239	Example Payload Decoder in TTN V3: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
50.2	240
	241
16.3	242	)))
1.2	243
16.4	244	== 4.4 Downlink Payload ==
1.2	245
26.9	246
50.8	247	(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:505px" %)
	248	\|=(% style="width: 180px;" %)Downlink Control Type\|=(% style="width: 94px;" %)Type Code\|=(% style="width: 226px;" %)Downlink payload size(bytes)
	249	\|(% style="width:180px" %)TDC (Transmit Time Interval—Keep Alive Interval)\|(% style="width:94px" %)0x01\|(% style="width:226px" %)4
	250	\|(% style="width:180px" %)RESET\|(% style="width:94px" %)0x04\|(% style="width:226px" %)2
	251	\|(% style="width:180px" %)[[Set confirmed mode>>\|\|anchor="HTypeCode0x05"]]\|(% style="width:94px" %)0x05\|(% style="width:226px" %)2
	252	\|(% style="width:180px" %)[[Clear Counting>>\|\|anchor="HTypeCode0xA6"]]\|(% style="width:94px" %)0xA6\|(% style="width:226px" %)2
	253	\|(% style="width:180px" %)[[Enable/Disable Alarm>>\|\|anchor="HTypeCode0xA7"]]\|(% style="width:94px" %)0xA7\|(% style="width:226px" %)2
	254	\|(% style="width:180px" %)[[Control ADR/DR>>\|\|anchor="HTypeCode0xA8"]]\|(% style="width:94px" %)0xA8\|(% style="width:226px" %)3
	255	\|(% style="width:180px" %)[[Set Alarm Timeout>>\|\|anchor="HTypeCode0xA9"]]\|(% style="width:94px" %)0xA9\|(% style="width:226px" %)4
1.2	256
	257	Example Downlink payload setting in TTN V3:
	258
17.2	259	[[image:1654673412319-976.png]]
1.2	260
	261
17.3	262	=== (% style="color:#037691" %)Type Code 0x01(%%) ===
1.2	263
43.7	264	If the payload=0100003C, means to control the LDS02’s Keep Alive interval to 0x00003C=60(S)
1.2	265
	266
17.3	267	=== (% style="color:#037691" %)Type Code 0x04(%%) ===
1.2	268
43.7	269	If payload = 0x04FF, it will reset the LDS02.
1.2	270
	271
17.3	272	=== (% style="color:#037691" %)Type Code 0x05(%%) ===
1.2	273
47.11	274	(((
1.2	275	0x05 00: Set uplink to LoRaWAN unconfirmed mode
47.11	276	)))
1.2	277
47.11	278	(((
1.2	279	0x05 01: Set uplink to LoRaWAN confirmed mode
47.11	280	)))
1.2	281
	282
17.3	283	=== (% style="color:#037691" %)Type Code 0xA6(%%) ===
1.2	284
47.11	285	(((
1.2	286	Example: 0xA601: Clear Counting
43.7	287	For LDS02: reset both count number and time.
47.11	288	)))
1.2	289
	290
17.3	291	=== (% style="color:#037691" %)Type Code 0xA7(%%) ===
1.2	292
47.11	293	(((
1.2	294	0xA7 01 : Equal to AT+DISALARM=1
47.11	295	)))
1.2	296
47.11	297	(((
1.2	298	0xA7 00 : Equal to AT+DISALARM=0
47.11	299	)))
1.2	300
	301
17.3	302	=== (% style="color:#037691" %)Type Code 0xA8(%%) ===
1.2	303
47.11	304	(((
1.2	305	Format: 0xA8 aa bb
47.11	306	)))
1.2	307
47.11	308	(((
1.2	309	aa: 1: Enable ADR; 0: Disable ADR (Same as AT+CADR command)
47.11	310	)))
1.2	311
47.11	312	(((
1.2	313	bb: set DR (Same as AT+CDATARATE ,only valid after ADR=0)
47.11	314	)))
1.2	315
47.11	316	(((
1.2	317	Example: 0x A8 00 02 : Set ADR=0 and DR=1
47.11	318	)))
1.2	319
	320
17.3	321	=== (% style="color:#037691" %)Type Code 0xA9(%%) ===
1.2	322
17.7	323	See [[Alarm Base Timeout>>\|\|anchor="H4.6AlarmBaseonTimeout"]] for detail.
1.2	324
	325
50.2	326
17.8	327	== 4.5 Integrate with Datacake ==
1.2	328
50.2	329
21.5	330	(((
47.12	331	(((
1.2	332	Datacake provides a human friendly interface to show the sensor data, once we have data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
21.5	333	)))
47.12	334	)))
1.2	335
47.12	336	(((
	337
	338	)))
1.2	339
47.12	340	(((
19.2	341	(% style="color:blue" %)Step 1(%%): Be sure that your device is programmed and properly connected to the network at this time.
47.12	342	)))
1.2	343
47.12	344	(((
19.2	345	(% style="color:blue" %)Step 2(%%): To configure the Application to forward data to Datacake you will need to add integration. To add the Datacake integration, perform the following steps:
47.12	346	)))
1.2	347
	348
19.2	349	[[image:1654674520913-519.png]]
1.2	350
	351
19.2	352	[[image:1654674530910-914.png]]
1.2	353
	354
21.2	355	[[image:1654674543078-401.png]]
1.2	356
	357
21.3	358	(% style="color:blue" %)Step 3(%%): Create an account or log in Datacake.
1.2	359
43.8	360	(% style="color:blue" %)Step 4(%%): Search LDS02 and add DevEUI.
1.2	361
21.2	362	[[image:1654674556510-911.png]]
1.2	363
	364
17.8	365	== 4.6 Alarm Base on Timeout ==
1.2	366
50.2	367
23.4	368	(((
43.8	369	(((
	370	LDS02 can monitor the timeout for a status change, this feature can be used to monitor some event such as open fridge too long etc.
23.4	371	)))
1.2	372
23.4	373	(((
1.2	374	User configure this feature by using:
23.4	375	)))
43.8	376	)))
1.2	377
23.4	378	(((
43.8	379	(((
23.4	380
	381	)))
43.8	382	)))
1.2	383
23.4	384	(((
43.8	385	(((
50.2	386	(% style="color:blue" %)AT Command(%%) to configure:
23.4	387	)))
43.8	388	)))
1.2	389
23.4	390	* (((
43.8	391	(((
50.2	392	(% style="color:red" %)AT+TTRIG=1,30 (%%) ~-~-> When status change from close to open, and device keep in open
23.4	393	)))
43.8	394	)))
1.2	395
23.4	396	(((
43.8	397	(((
47.6	398	status for more than 30 seconds. LDS02 will send an uplink packet, the Alarm bit (the lowest bit of 10^^th^^ byte of payload) on this uplink packet is set to 1.
23.4	399	)))
43.8	400	)))
1.2	401
23.4	402	* (((
43.8	403	(((
50.2	404	(% style="color:red" %)AT+TTRIG=0,0 (%%) ~-~-> Default Value, disable timeout Alarm.
23.4	405	)))
43.8	406	)))
1.2	407
23.4	408	(((
43.8	409	(((
47.17	410
	411
50.2	412	(% style="color:blue" %)Downlink Command(%%) to configure:
23.4	413	)))
43.8	414	)))
1.2	415
23.4	416	(((
43.8	417	(((
50.2	418	Command: (% style="color:red" %)0xA9 aa bb cc(%%)
23.4	419	)))
43.8	420	)))
1.2	421
23.4	422	(((
43.8	423	(((
1.2	424	A9: Command Type Code
23.4	425	)))
43.8	426	)))
1.2	427
23.4	428	(((
43.8	429	(((
1.2	430	aa: status to be monitor
23.4	431	)))
43.8	432	)))
1.2	433
23.4	434	(((
43.8	435	(((
1.2	436	bb cc: timeout.
23.4	437	)))
43.8	438	)))
1.2	439
23.4	440	(((
43.8	441	(((
23.4	442
	443	)))
43.8	444	)))
1.2	445
23.4	446	(((
43.8	447	(((
1.2	448	If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
23.4	449	)))
43.8	450	)))
1.2	451
23.4	452	(((
43.8	453	(((
1.2	454	Or
23.4	455	)))
43.8	456	)))
1.2	457
23.4	458	(((
43.8	459	(((
1.2	460	0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
23.4	461	)))
43.8	462	)))
1.2	463
	464
17.8	465	== 4.7 LEDs ==
1.2	466
25.9	467
21.7	468	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:463px" %)
	469	\|=(% style="width: 184px;" %)Action\|=(% style="width: 275px;" %)LED behavior
	470	\|(% style="width:184px" %)Power On\|(% style="width:275px" %)(% style="color:green" %)GREEN on 1s, (% style="color:red" %)RED on 1s,(%%) (% style="color:blue" %)BLUE on 1s(%%)
	471	\|(% style="width:184px" %)Joined successful\|(% style="width:275px" %)(% style="color:green" %)GRENN LED (%%)on 5s
	472	\|(% style="width:184px" %)Send an uplink message\|(% style="width:275px" %)(% style="color:green" %)GREEN LED(%%) blinks once
	473	\|(% style="width:184px" %)Got a downlink message\|(% style="width:275px" %)(% style="color:blue" %)BLUE LED(%%) blinks once
1.2	474
50.9	475
51.2	476
21.8	477	= 5. Battery & How to replace =
	478
	479	== 5.1 Battery Type and replace ==
	480
50.3	481
22.3	482	(((
43.10	483	LDS02 is equipped with 2 x AAA LR03 batteries. If the batteries running low (shows 2.1v in the platform). User can buy generic AAA battery and replace it.
1.2	484
50.3	485
48.3	486	(% style="color:red" %)Note:
43.10	487
49.4	488	1. The LDS02 doesn't have any screw, use can use nail to open it by the middle.
43.10	489	1. Make sure the direction is correct when install the AAA batteries.
22.3	490	)))
1.2	491
22.3	492	(((
48.3	493	(% style="color:red" %)Important Notice: Make sure use new AAA LR03 battery and the battery doesn't have broken surface.
22.3	494	)))
1.2	495
22.3	496	(((
	497
	498	)))
1.2	499
22.3	500	(((
1.2	501	Example of AAA LR03 batter:
22.3	502	)))
1.2	503
22.2	504	[[image:1654675278044-307.png]]
1.2	505
	506
22.4	507	== 5.2 Power Consumption Analyze ==
	508
50.3	509
26.6	510	(((
1.2	511	Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
26.6	512	)))
1.2	513
26.6	514	(((
1.2	515	[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
26.6	516	)))
1.2	517
	518
22.4	519	= 6. Use AT Command =
1.2	520
22.4	521	== 6.1 Access AT Command ==
	522
50.3	523
47.2	524	LDS02 supports AT Command set. User can use a USB to TTL adapter to configure LDS02 via use AT command, as below.
1.2	525
50.3	526
44.2	527	[[image:image-20220609085453-1.png]]
1.2	528
	529
44.3	530	(% style="background-color:yellow" %)USB to TTL <- -> LDS02
1.2	531
44.3	532	(% style="background-color:yellow" %)RX <- -> TXD
1.2	533
44.3	534	(% style="background-color:yellow" %)TX <- -> RXD
23.7	535
	536	(% style="background-color:yellow" %)GND <- -> GND
	537
24.3	538
	539	(((
44.3	540	In PC, User needs to set (% style="color:#037691" %)serial tool(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)115200(%%) to access to access serial console of LDS02. Below is the output for reference:
24.3	541	)))
1.2	542
24.3	543	(((
24.2	544	The AT Access password is (% style="color:red" %)123456.
24.3	545	)))
1.2	546
24.2	547	[[image:1654675618022-630.png]]
1.2	548
44.3	549
26.7	550	(((
24.4	551	Each AT Command need to (% style="color:red" %)add an ENTER(%%) at the end before send.
26.7	552	)))
1.2	553
26.7	554	(((
50.3	555	When entering the first command, the (% style="color:red" %)RED LED(%%) will on and user can now input AT Commands. After input all needed AT Commands, please input AT+CLPM=1 to set the device to work in Low Power mode and (% style="color:red" %)RED LED(%%) will be off.
26.7	556	)))
1.2	557
26.7	558	(((
1.2	559	More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/]]
26.7	560	)))
1.2	561
	562
1.5	563	= 7. FAQ =
	564
	565	== 7.1 How to upgrade the image? ==
	566
50.3	567
44.4	568	User can upgrade the of LDS02 for bug fix, new features, or change working region. The upgrade instruction is here: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1.2	569
	570
1.5	571	== 7.2 How to change the LoRa Frequency Bands/Region? ==
1.2	572
50.3	573
24.7	574	If user has for example US915 frequency and want to change it to AS923 frequency. User can follow the introduction for [[how to upgrade image>>\|\|anchor="H7.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1.2	575
	576
1.5	577	== 7.3 Can I disable uplink for each event to save battery life? ==
	578
50.3	579
1.2	580	Yes, User can use below method to disable this:
	581
47.20	582
50.3	583	(% style="color:blue" %)via AT Command:
1.2	584
50.3	585	(% style="color:red" %)AT+DISALARM=1(%%), End node will only send packet in TDC time.
1.2	586
50.3	587	(% style="color:red" %)AT+DISALARM=0(%%), End node will send packet in TDC time or status change for door sensor.
1.2	588
47.20	589
50.3	590	(% style="color:blue" %)via LoRaWAN downlink Command:
1.2	591
50.3	592	(% style="color:red" %)0xA701(%%) : Equal to AT+DISALARM=1
1.2	593
50.3	594	(% style="color:red" %)0xA700(%%) : Equal to AT+DISALARM=0
1.2	595
	596
1.5	597	= 8. Order Info =
1.2	598
50.3	599
44.5	600	Part Number: (% style="color:blue" %)LDS02-XXX(%%)
1.2	601
1.6	602	(% style="color:blue" %)XXX:
1.2	603
1.10	604	* (% style="color:red" %)EU433(%%): frequency bands EU433
	605	* (% style="color:red" %)EU868(%%): frequency bands EU868
	606	* (% style="color:red" %)KR920(%%): frequency bands KR920
1.6	607	* (% style="color:red" %)CN470(%%): frequency bands CN470
1.10	608	* (% style="color:red" %)AS923(%%): frequency bands AS923
1.6	609	* (% style="color:red" %)AU915(%%): frequency bands AU915
1.10	610	* (% style="color:red" %)US915(%%): frequency bands US915
	611	* (% style="color:red" %)IN865(%%): frequency bands IN865
1.6	612	* (% style="color:red" %)CN779(%%): frequency bands CN779
1.2	613
50.3	614
51.2	615
1.4	616	= 9. Packing Info =
	617
50.3	618
47.13	619	(((
1.2	620	Package Includes:
47.13	621	)))
1.2	622
47.13	623	* (((
	624	LDS02 x 1
	625	)))
1.2	626
47.13	627	(((
44.7	628	Dimension and weight:
47.13	629	)))
44.6	630
47.13	631	* (((
	632	Device Size: 69.2 x 29.2 x 14.8 mm
47.19	633
	634
50.3	635
47.19	636
47.13	637	)))
44.6	638
31.2	639	= 10. Support =
1.2	640
50.3	641
1.2	642	* 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.
	643	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
	644
44.3	645

Wiki source code of LDS02 - LoRaWAN Door Sensor User Manual

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