Wiki source code of LDS02 - LoRaWAN Door Sensor User Manual

Version 50.9 by Xiaoling on 2022/10/27 16:18

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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
	17
	18
17.3	19
	20
48.4	21
	22
	23
2.2	24	= 1. Introduction =
1.1	25
50.2	26
33.2	27	== 1.1 What is LDS02 LoRaWAN Door Sensor ==
1.1	28
	29
3.2	30	(((
47.9	31	(((
33.5	32	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	33	)))
1.1	34
47.9	35	(((
33.5	36	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	37	)))
1.2	38
47.9	39	(((
33.5	40	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	41	)))
1.2	42
47.9	43	(((
33.5	44	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	45	)))
33.2	46
47.9	47	(((
33.5	48	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	49
	50
3.2	51	)))
47.9	52	)))
1.2	53
34.2	54	[[image:image-20220608171947-2.png]]
1.2	55
	56
	57
3.3	58	== 1.2 Features ==
1.2	59
50.2	60
1.2	61	* LoRaWAN Class A v1.0.3
	62	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	63	* SX1262 LoRa Core
	64	* Water Leak detect
	65	* 2 x AAA LR03 Batteries
	66	* AT Commands to change parameters
	67	* Uplink on periodically and open/close action
	68	* Remote configure parameters via LoRa Downlink
	69	* Firmware upgradable via program port
	70
50.5	71
50.8	72
3.4	73	== 1.3 Applications ==
	74
50.2	75
1.2	76	* Smart Buildings & Home Automation
	77	* Logistics and Supply Chain Management
	78	* Smart Metering
	79	* Smart Agriculture
	80	* Smart Cities
	81	* Smart Factory
	82
50.5	83
50.8	84
5.2	85	== 1.4 Dimension ==
1.2	86
50.2	87
34.3	88	Unit: mm
1.2	89
37.2	90	[[image:1654680563545-120.png]]
1.2	91
5.2	92
37.2	93	[[image:1654680510816-654.png]]
5.2	94
37.2	95
50.2	96
5.2	97	== 1.5 Firmware Change log ==
	98
50.2	99
26.8	100	(((
37.2	101	(((
50.2	102	LDS02 use the same firmware as LDS01：[[LDS02 Image files – Download link>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
26.8	103	)))
	104	)))
1.2	105
	106
50.2	107
37.3	108	= 2. Power ON LDS02 =
1.2	109
50.2	110
37.3	111	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	112
	113
50.2	114
37.4	115	= 3. How to install LDS02 =
1.2	116
50.2	117
7.4	118	(((
37.4	119	(((
	120	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	121	)))
1.2	122
37.4	123	(((
	124	Open/Close threshold range: ~~ 25mm
50.2	125
	126
37.4	127	)))
	128	)))
1.2	129
38.2	130	[[image:1654680716522-793.png]]
1.2	131
	132
37.4	133
7.2	134	= 4. Operation Mode =
1.2	135
50.2	136
7.2	137	== 4.1 How it works? ==
1.2	138
50.2	139
26.5	140	(((
46.2	141	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	142	)))
1.2	143
26.5	144	(((
49.3	145	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	146	)))
1.2	147
	148
50.2	149
7.3	150	== 4.2 Example to join LoRaWAN network ==
7.2	151
50.2	152
1.6	153	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	154
39.2	155	[[image:1654680810108-149.png]]
1.2	156
	157
9.6	158	(((
39.4	159	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	160	)))
1.2	161
9.6	162	* (((
	163	A keep-alive message which send once per day.
	164	)))
	165	* (((
39.3	166	A door event message when there is a door open/close. ([[Alarm event can be disabled>>\|\|anchor="H7.3CanIdisableuplinkforeacheventtosavebatterylife3F"]])
9.6	167	)))
1.2	168
9.6	169	(((
29.2	170
	171
47.10	172	(((
1.2	173	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	174
	175
9.6	176	)))
47.10	177	)))
1.2	178
9.6	179	(((
39.4	180	(% style="color:blue" %)Step 1(%%): Create a device in TTN V3 with the OTAA keys from LDS02.
9.6	181	)))
1.2	182
9.6	183	(((
39.4	184	Each LDS02 is shipped with a sticker with unique device EUI:
9.6	185	)))
1.2	186
9.2	187	[[image:1654671040430-368.png]]
1.2	188
	189
	190	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	191
47.16	192
14.3	193	Add APP EUI in the application
1.2	194
11.2	195	[[image:1654671794691-956.png]]
1.2	196
	197
11.2	198	[[image:1654671809850-574.png]]
1.2	199
12.2	200	[[image:1654671820156-640.png]]
1.2	201
	202
40.2	203	[[image:1654681258096-500.png]]
1.2	204
	205
47.16	206
14.2	207	Add APP KEY and DEV EUI
1.2	208
40.2	209	[[image:1654671889112-678.png]]
1.2	210
40.2	211
50.2	212
47.11	213	(((
47.16	214	(% 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	215	)))
1.2	216
	217
43.2	218	[[image:1654681390551-993.png]]
1.2	219
40.2	220
	221
14.5	222	== 4.3 Uplink Payload ==
	223
26.11	224
43.2	225	Uplink Payload total 10 bytes.
1.2	226
43.6	227	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:480px" %)
43.4	228	\|=(% 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	229	\|value\|Status&BAT\|(((
43.2	230	MOD
	231	Always:0x01
	232	)))\|Total open door events\|(((
	233	Last door open
	234	duration (unit: min)
43.4	235	)))\|[[Alarm>>\|\|anchor="H4.6AlarmBaseonTimeout"]]
43.2	236
50.7	237
	238
16.2	239	Example:
1.2	240
43.2	241	[[image:1654681706301-731.png]]
1.2	242
43.2	243	[[image:1654681714641-440.png]]
1.2	244
43.2	245
16.3	246	(((
50.6	247	Example Payload Decoder in TTN V3: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
50.2	248
	249
	250
16.3	251	)))
1.2	252
16.4	253	== 4.4 Downlink Payload ==
1.2	254
26.9	255
50.8	256	(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:505px" %)
	257	\|=(% style="width: 180px;" %)Downlink Control Type\|=(% style="width: 94px;" %)Type Code\|=(% style="width: 226px;" %)Downlink payload size(bytes)
	258	\|(% style="width:180px" %)TDC (Transmit Time Interval—Keep Alive Interval)\|(% style="width:94px" %)0x01\|(% style="width:226px" %)4
	259	\|(% style="width:180px" %)RESET\|(% style="width:94px" %)0x04\|(% style="width:226px" %)2
	260	\|(% style="width:180px" %)[[Set confirmed mode>>\|\|anchor="HTypeCode0x05"]]\|(% style="width:94px" %)0x05\|(% style="width:226px" %)2
	261	\|(% style="width:180px" %)[[Clear Counting>>\|\|anchor="HTypeCode0xA6"]]\|(% style="width:94px" %)0xA6\|(% style="width:226px" %)2
	262	\|(% style="width:180px" %)[[Enable/Disable Alarm>>\|\|anchor="HTypeCode0xA7"]]\|(% style="width:94px" %)0xA7\|(% style="width:226px" %)2
	263	\|(% style="width:180px" %)[[Control ADR/DR>>\|\|anchor="HTypeCode0xA8"]]\|(% style="width:94px" %)0xA8\|(% style="width:226px" %)3
	264	\|(% style="width:180px" %)[[Set Alarm Timeout>>\|\|anchor="HTypeCode0xA9"]]\|(% style="width:94px" %)0xA9\|(% style="width:226px" %)4
1.2	265
	266	Example Downlink payload setting in TTN V3:
	267
17.2	268	[[image:1654673412319-976.png]]
1.2	269
	270
17.3	271	=== (% style="color:#037691" %)Type Code 0x01(%%) ===
1.2	272
43.7	273	If the payload=0100003C, means to control the LDS02’s Keep Alive interval to 0x00003C=60(S)
1.2	274
	275
17.3	276	=== (% style="color:#037691" %)Type Code 0x04(%%) ===
1.2	277
43.7	278	If payload = 0x04FF, it will reset the LDS02.
1.2	279
	280
17.3	281	=== (% style="color:#037691" %)Type Code 0x05(%%) ===
1.2	282
47.11	283	(((
1.2	284	0x05 00: Set uplink to LoRaWAN unconfirmed mode
47.11	285	)))
1.2	286
47.11	287	(((
1.2	288	0x05 01: Set uplink to LoRaWAN confirmed mode
47.11	289	)))
1.2	290
	291
17.3	292	=== (% style="color:#037691" %)Type Code 0xA6(%%) ===
1.2	293
47.11	294	(((
1.2	295	Example: 0xA601: Clear Counting
43.7	296	For LDS02: reset both count number and time.
47.11	297	)))
1.2	298
	299
17.3	300	=== (% style="color:#037691" %)Type Code 0xA7(%%) ===
1.2	301
47.11	302	(((
1.2	303	0xA7 01 : Equal to AT+DISALARM=1
47.11	304	)))
1.2	305
47.11	306	(((
1.2	307	0xA7 00 : Equal to AT+DISALARM=0
47.11	308	)))
1.2	309
	310
17.3	311	=== (% style="color:#037691" %)Type Code 0xA8(%%) ===
1.2	312
47.11	313	(((
1.2	314	Format: 0xA8 aa bb
47.11	315	)))
1.2	316
47.11	317	(((
1.2	318	aa: 1: Enable ADR; 0: Disable ADR (Same as AT+CADR command)
47.11	319	)))
1.2	320
47.11	321	(((
1.2	322	bb: set DR (Same as AT+CDATARATE ,only valid after ADR=0)
47.11	323	)))
1.2	324
47.11	325	(((
1.2	326	Example: 0x A8 00 02 : Set ADR=0 and DR=1
47.11	327	)))
1.2	328
	329
17.3	330	=== (% style="color:#037691" %)Type Code 0xA9(%%) ===
1.2	331
17.7	332	See [[Alarm Base Timeout>>\|\|anchor="H4.6AlarmBaseonTimeout"]] for detail.
1.2	333
	334
50.2	335
17.8	336	== 4.5 Integrate with Datacake ==
1.2	337
50.2	338
21.5	339	(((
47.12	340	(((
1.2	341	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	342	)))
47.12	343	)))
1.2	344
47.12	345	(((
	346
	347	)))
1.2	348
47.12	349	(((
19.2	350	(% style="color:blue" %)Step 1(%%): Be sure that your device is programmed and properly connected to the network at this time.
47.12	351	)))
1.2	352
47.12	353	(((
19.2	354	(% 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	355	)))
1.2	356
	357
19.2	358	[[image:1654674520913-519.png]]
1.2	359
	360
19.2	361	[[image:1654674530910-914.png]]
1.2	362
	363
21.2	364	[[image:1654674543078-401.png]]
1.2	365
	366
21.3	367	(% style="color:blue" %)Step 3(%%): Create an account or log in Datacake.
1.2	368
43.8	369	(% style="color:blue" %)Step 4(%%): Search LDS02 and add DevEUI.
1.2	370
21.2	371	[[image:1654674556510-911.png]]
1.2	372
	373
50.2	374
17.8	375	== 4.6 Alarm Base on Timeout ==
1.2	376
50.2	377
23.4	378	(((
43.8	379	(((
	380	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	381	)))
1.2	382
23.4	383	(((
1.2	384	User configure this feature by using:
23.4	385	)))
43.8	386	)))
1.2	387
23.4	388	(((
43.8	389	(((
23.4	390
	391	)))
43.8	392	)))
1.2	393
23.4	394	(((
43.8	395	(((
50.2	396	(% style="color:blue" %)AT Command(%%) to configure:
23.4	397	)))
43.8	398	)))
1.2	399
23.4	400	* (((
43.8	401	(((
50.2	402	(% style="color:red" %)AT+TTRIG=1,30 (%%) ~-~-> When status change from close to open, and device keep in open
23.4	403	)))
43.8	404	)))
1.2	405
23.4	406	(((
43.8	407	(((
47.6	408	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	409	)))
43.8	410	)))
1.2	411
23.4	412	* (((
43.8	413	(((
50.2	414	(% style="color:red" %)AT+TTRIG=0,0 (%%) ~-~-> Default Value, disable timeout Alarm.
23.4	415	)))
43.8	416	)))
1.2	417
23.4	418	(((
43.8	419	(((
47.17	420
	421
50.2	422	(% style="color:blue" %)Downlink Command(%%) to configure:
23.4	423	)))
43.8	424	)))
1.2	425
23.4	426	(((
43.8	427	(((
50.2	428	Command: (% style="color:red" %)0xA9 aa bb cc(%%)
23.4	429	)))
43.8	430	)))
1.2	431
23.4	432	(((
43.8	433	(((
1.2	434	A9: Command Type Code
23.4	435	)))
43.8	436	)))
1.2	437
23.4	438	(((
43.8	439	(((
1.2	440	aa: status to be monitor
23.4	441	)))
43.8	442	)))
1.2	443
23.4	444	(((
43.8	445	(((
1.2	446	bb cc: timeout.
23.4	447	)))
43.8	448	)))
1.2	449
23.4	450	(((
43.8	451	(((
23.4	452
	453	)))
43.8	454	)))
1.2	455
23.4	456	(((
43.8	457	(((
1.2	458	If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
23.4	459	)))
43.8	460	)))
1.2	461
23.4	462	(((
43.8	463	(((
1.2	464	Or
23.4	465	)))
43.8	466	)))
1.2	467
23.4	468	(((
43.8	469	(((
1.2	470	0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
23.4	471	)))
43.8	472	)))
1.2	473
	474
	475
17.8	476	== 4.7 LEDs ==
1.2	477
25.9	478
21.7	479	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:463px" %)
	480	\|=(% style="width: 184px;" %)Action\|=(% style="width: 275px;" %)LED behavior
	481	\|(% 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(%%)
	482	\|(% style="width:184px" %)Joined successful\|(% style="width:275px" %)(% style="color:green" %)GRENN LED (%%)on 5s
	483	\|(% style="width:184px" %)Send an uplink message\|(% style="width:275px" %)(% style="color:green" %)GREEN LED(%%) blinks once
	484	\|(% style="width:184px" %)Got a downlink message\|(% style="width:275px" %)(% style="color:blue" %)BLUE LED(%%) blinks once
1.2	485
50.9	486
	487
21.8	488	= 5. Battery & How to replace =
	489
50.3	490
21.8	491	== 5.1 Battery Type and replace ==
	492
50.3	493
22.3	494	(((
43.10	495	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	496
50.3	497
48.3	498	(% style="color:red" %)Note:
43.10	499
49.4	500	1. The LDS02 doesn't have any screw, use can use nail to open it by the middle.
43.10	501	1. Make sure the direction is correct when install the AAA batteries.
22.3	502	)))
1.2	503
22.3	504	(((
48.3	505	(% style="color:red" %)Important Notice: Make sure use new AAA LR03 battery and the battery doesn't have broken surface.
22.3	506	)))
1.2	507
22.3	508	(((
	509
	510	)))
1.2	511
22.3	512	(((
1.2	513	Example of AAA LR03 batter:
22.3	514	)))
1.2	515
22.2	516	[[image:1654675278044-307.png]]
1.2	517
	518
50.3	519
22.4	520	== 5.2 Power Consumption Analyze ==
	521
50.3	522
26.6	523	(((
1.2	524	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	525	)))
1.2	526
26.6	527	(((
1.2	528	[[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	529	)))
1.2	530
	531
50.3	532
22.4	533	= 6. Use AT Command =
1.2	534
50.3	535
22.4	536	== 6.1 Access AT Command ==
	537
50.3	538
47.2	539	LDS02 supports AT Command set. User can use a USB to TTL adapter to configure LDS02 via use AT command, as below.
1.2	540
50.3	541
44.2	542	[[image:image-20220609085453-1.png]]
1.2	543
	544
44.3	545	(% style="background-color:yellow" %)USB to TTL <- -> LDS02
1.2	546
44.3	547	(% style="background-color:yellow" %)RX <- -> TXD
1.2	548
44.3	549	(% style="background-color:yellow" %)TX <- -> RXD
23.7	550
	551	(% style="background-color:yellow" %)GND <- -> GND
	552
24.3	553
	554	(((
44.3	555	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	556	)))
1.2	557
24.3	558	(((
24.2	559	The AT Access password is (% style="color:red" %)123456.
24.3	560	)))
1.2	561
24.2	562	[[image:1654675618022-630.png]]
1.2	563
44.3	564
26.7	565	(((
24.4	566	Each AT Command need to (% style="color:red" %)add an ENTER(%%) at the end before send.
26.7	567	)))
1.2	568
26.7	569	(((
50.3	570	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	571	)))
1.2	572
26.7	573	(((
1.2	574	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	575	)))
1.2	576
	577
50.3	578
1.5	579	= 7. FAQ =
	580
50.3	581
1.5	582	== 7.1 How to upgrade the image? ==
	583
50.3	584
44.4	585	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	586
	587
50.3	588
1.5	589	== 7.2 How to change the LoRa Frequency Bands/Region? ==
1.2	590
50.3	591
24.7	592	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	593
	594
50.3	595
1.5	596	== 7.3 Can I disable uplink for each event to save battery life? ==
	597
50.3	598
1.2	599	Yes, User can use below method to disable this:
	600
47.20	601
50.3	602	(% style="color:blue" %)via AT Command:
1.2	603
50.3	604	(% style="color:red" %)AT+DISALARM=1(%%), End node will only send packet in TDC time.
1.2	605
50.3	606	(% style="color:red" %)AT+DISALARM=0(%%), End node will send packet in TDC time or status change for door sensor.
1.2	607
47.20	608
50.3	609	(% style="color:blue" %)via LoRaWAN downlink Command:
1.2	610
50.3	611	(% style="color:red" %)0xA701(%%) : Equal to AT+DISALARM=1
1.2	612
50.3	613	(% style="color:red" %)0xA700(%%) : Equal to AT+DISALARM=0
1.2	614
	615
50.3	616
1.5	617	= 8. Order Info =
1.2	618
50.3	619
44.5	620	Part Number: (% style="color:blue" %)LDS02-XXX(%%)
1.2	621
1.6	622	(% style="color:blue" %)XXX:
1.2	623
1.10	624	* (% style="color:red" %)EU433(%%): frequency bands EU433
	625	* (% style="color:red" %)EU868(%%): frequency bands EU868
	626	* (% style="color:red" %)KR920(%%): frequency bands KR920
1.6	627	* (% style="color:red" %)CN470(%%): frequency bands CN470
1.10	628	* (% style="color:red" %)AS923(%%): frequency bands AS923
1.6	629	* (% style="color:red" %)AU915(%%): frequency bands AU915
1.10	630	* (% style="color:red" %)US915(%%): frequency bands US915
	631	* (% style="color:red" %)IN865(%%): frequency bands IN865
1.6	632	* (% style="color:red" %)CN779(%%): frequency bands CN779
1.2	633
50.3	634
50.9	635
1.4	636	= 9. Packing Info =
	637
50.3	638
47.13	639	(((
1.2	640	Package Includes:
47.13	641	)))
1.2	642
47.13	643	* (((
	644	LDS02 x 1
	645	)))
1.2	646
47.13	647	(((
44.7	648	Dimension and weight:
47.13	649	)))
44.6	650
47.13	651	* (((
	652	Device Size: 69.2 x 29.2 x 14.8 mm
47.19	653
	654
50.3	655
47.19	656
47.13	657	)))
44.6	658
31.2	659	= 10. Support =
1.2	660
50.3	661
1.2	662	* 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.
	663	* 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]].
	664
44.3	665

Wiki source code of LDS02 - LoRaWAN Door Sensor User Manual

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