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...	...	@@ -3,7 +3,6 @@
3	3
4	4	**Contents:**
5	5
6		-{{toc/}}
7	7
8	8
9	9
...	...	@@ -11,7 +11,6 @@
11	11
12	12
13	13
14		-
15	15	= 1.  Introduction =
16	16
17	17	== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
...	...	@@ -35,7 +35,7 @@
35	35	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.
36	36
37	37
38		-(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
	36	+(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
39	39	)))
40	40	)))
41	41
...	...	@@ -61,7 +61,6 @@
61	61
62	62
63	63
64		-
65	65	== 1.3  Specification ==
66	66
67	67	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -102,6 +102,8 @@
102	102	* Sewer
103	103	* Bottom water level monitoring
104	104
	102	+
	103	+
105	105	== 1.6  Pin mapping and power on ==
106	106
107	107
...	...	@@ -242,6 +242,8 @@
242	242	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
243	243	* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
244	244
	244	+
	245	+
245	245	=== 2.3.3  Interrupt Pin ===
246	246
247	247	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.
...	...	@@ -275,9 +275,9 @@
275	275	0x00: No Ultrasonic Sensor
276	276
277	277
	279	+===
	280	+(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
278	278
279		-=== 2.3.6  Decode payload in The Things Network ===
280		-
281	281	While using TTN network, you can add the payload format to decode the payload.
282	282
283	283
...	...	@@ -803,18 +803,15 @@
803	803
804	804	== 2.7  LED Indicator ==
805	805
806		-The LDDS75 has an internal LED which is to show the status of different state.
	807	+The LLDS12 has an internal LED which is to show the status of different state.
807	807
808		-
809		-* Blink once when device power on.
810		-* The device detects the sensor and flashes 5 times.
811		-* Solid ON for 5 seconds once device successful Join the network.
	809	+* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
812	812	* Blink once when device transmit a packet.
813	813
814	814	== 2.8  ​Firmware Change Log ==
815	815
816	816
817		-**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/]]
	815	+**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
818	818
819	819
820	820	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
...	...	@@ -821,58 +821,71 @@
821	821
822	822
823	823
824		-== 2.9  Mechanical ==
	822	+= 3.  LiDAR ToF Measurement =
825	825
	824	+== 3.1 Principle of Distance Measurement ==
826	826
827		-[[image:image-20220610172003-1.png]]
	826	+The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
828	828
829		-[[image:image-20220610172003-2.png]]
	828	+[[image:1654831757579-263.png]]
830	830
831	831
832		-== 2.10  Battery Analysis ==
833	833
834		-=== 2.10.1  Battery Type ===
	832	+== 3.2 Distance Measurement Characteristics ==
835	835
836		-The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
	834	+With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
837	837
	836	+[[image:1654831774373-275.png]]
838	838
839		-The battery related documents as below:
840	840
841		-* (((
842		-[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	839	+(((
	840	+(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
843	843	)))
844		-* (((
845		-[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	842	+
	843	+(((
	844	+(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
846	846	)))
847		-* (((
848		-[[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]]
	846	+
	847	+(((
	848	+(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
849	849	)))
850	850
851		- [[image:image-20220610172400-3.png]]
852	852
	852	+(((
	853	+Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
	854	+)))
853	853
854	854
855		-=== 2.10.2  Replace the battery ===
	857	+[[image:1654831797521-720.png]]
856	856
857		-(((
858		-You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
859		-)))
860	860
861	861	(((
862		-
	861	+In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
863	863	)))
864	864
	864	+[[image:1654831810009-716.png]]
	865	+
	866	+
865	865	(((
866		-The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	868	+If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
867	867	)))
868	868
869	869
870	870
871		-= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
	873	+== 3.3 Notice of usage: ==
872	872
	875	+Possible invalid /wrong reading for LiDAR ToF tech:
	876	+
	877	+* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
	878	+* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
	879	+* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
	880	+* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
	881	+
	882	+= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
	883	+
873	873	(((
874	874	(((
875		-Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
	886	+Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
876	876	)))
877	877	)))
878	878
...	...	@@ -893,7 +893,7 @@
893	893	)))
894	894
895	895	(((
896		-There are two kinds of commands to configure LDDS75, they are:
	907	+There are two kinds of commands to configure LLDS12, they are:
897	897	)))
898	898	)))
899	899
...	...	@@ -934,150 +934,351 @@
934	934
935	935	* (((
936	936	(((
937		-(% style="color:#4f81bd" %)** Commands special design for LDDS75**
	948	+(% style="color:#4f81bd" %)** Commands special design for LLDS12**
938	938	)))
939	939	)))
940	940
941	941	(((
942	942	(((
943		-These commands only valid for LDDS75, as below:
	954	+These commands only valid for LLDS12, as below:
944	944	)))
945	945	)))
946	946
947	947
948	948
949		-== 3.1  Access AT Commands ==
	960	+== 4.1  Set Transmit Interval Time ==
950	950
951		-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.
	962	+Feature: Change LoRaWAN End Node Transmit Interval.
952	952
953		-[[image:image-20220610172924-4.png||height="483" width="988"]]
	964	+(% style="color:#037691" %)**AT Command: AT+TDC**
954	954
	966	+[[image:image-20220607171554-8.png]]
955	955
956		-Or if you have below board, use below connection:
957	957
	969	+(((
	970	+(% style="color:#037691" %)**Downlink Command: 0x01**
	971	+)))
958	958
959		-[[image:image-20220610172924-5.png]]
	973	+(((
	974	+Format: Command Code (0x01) followed by 3 bytes time value.
	975	+)))
960	960
	977	+(((
	978	+If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	979	+)))
961	961
962		-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:
	981	+* (((
	982	+Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	983	+)))
	984	+* (((
	985	+Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	986	+)))
963	963
	988	+== 4.2  Set Interrupt Mode ==
964	964
965		- [[image:image-20220610172924-6.png||height="601" width="860"]]
	990	+Feature, Set Interrupt mode for GPIO_EXIT.
966	966
	992	+(% style="color:#037691" %)**AT Command: AT+INTMOD**
967	967
	994	+[[image:image-20220610105806-2.png]]
968	968
969		-== 3.2  Set Transmit Interval Time ==
970	970
971		-Feature: Change LoRaWAN End Node Transmit Interval.
	997	+(((
	998	+(% style="color:#037691" %)**Downlink Command: 0x06**
	999	+)))
972	972
973		-(% style="color:#037691" %)**AT Command: AT+TDC**
	1001	+(((
	1002	+Format: Command Code (0x06) followed by 3 bytes.
	1003	+)))
974	974
975		-[[image:image-20220610173409-7.png]]
	1005	+(((
	1006	+This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1007	+)))
976	976
	1009	+* (((
	1010	+Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1011	+)))
	1012	+* (((
	1013	+Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1014	+)))
977	977
	1016	+== 4.3  Get Firmware Version Info ==
	1017	+
	1018	+Feature: use downlink to get firmware version.
	1019	+
	1020	+(% style="color:#037691" %)**Downlink Command: 0x26**
	1021	+
	1022	+[[image:image-20220607171917-10.png]]
	1023	+
	1024	+* Reply to the confirmation package: 26 01
	1025	+* Reply to non-confirmed packet: 26 00
	1026	+
	1027	+Device will send an uplink after got this downlink command. With below payload:
	1028	+
	1029	+Configures info payload:
	1030	+
	1031	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	1032	+|=(((
	1033	+**Size(bytes)**
	1034	+)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
	1035	+|**Value**|Software Type|(((
	1036	+Frequency
	1037	+
	1038	+Band
	1039	+)))|Sub-band|(((
	1040	+Firmware
	1041	+
	1042	+Version
	1043	+)))|Sensor Type|Reserve|(((
	1044	+[[Message Type>>||anchor="H2.3.7A0MessageType"]]
	1045	+Always 0x02
	1046	+)))
	1047	+
	1048	+**Software Type**: Always 0x03 for LLDS12
	1049	+
	1050	+
	1051	+**Frequency Band**:
	1052	+
	1053	+*0x01: EU868
	1054	+
	1055	+*0x02: US915
	1056	+
	1057	+*0x03: IN865
	1058	+
	1059	+*0x04: AU915
	1060	+
	1061	+*0x05: KZ865
	1062	+
	1063	+*0x06: RU864
	1064	+
	1065	+*0x07: AS923
	1066	+
	1067	+*0x08: AS923-1
	1068	+
	1069	+*0x09: AS923-2
	1070	+
	1071	+*0xa0: AS923-3
	1072	+
	1073	+
	1074	+**Sub-Band**: value 0x00 ~~ 0x08
	1075	+
	1076	+
	1077	+**Firmware Version**: 0x0100, Means: v1.0.0 version
	1078	+
	1079	+
	1080	+**Sensor Type**:
	1081	+
	1082	+0x01: LSE01
	1083	+
	1084	+0x02: LDDS75
	1085	+
	1086	+0x03: LDDS20
	1087	+
	1088	+0x04: LLMS01
	1089	+
	1090	+0x05: LSPH01
	1091	+
	1092	+0x06: LSNPK01
	1093	+
	1094	+0x07: LLDS12
	1095	+
	1096	+
	1097	+
	1098	+= 5.  Battery & How to replace =
	1099	+
	1100	+== 5.1  Battery Type ==
	1101	+
978	978	(((
979		-(% style="color:#037691" %)**Downlink Command: 0x01**
	1103	+LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
980	980	)))
981	981
982	982	(((
	1107	+The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
	1108	+)))
	1109	+
	1110	+[[image:1654593587246-335.png]]
	1111	+
	1112	+
	1113	+Minimum Working Voltage for the LLDS12:
	1114	+
	1115	+LLDS12:  2.45v ~~ 3.6v
	1116	+
	1117	+
	1118	+
	1119	+== 5.2  Replace Battery ==
	1120	+
983	983	(((
984		-Format: Command Code (0x01) followed by 3 bytes time value.
	1122	+Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
	1123	+)))
985	985
986		-If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1125	+(((
	1126	+And make sure the positive and negative pins match.
	1127	+)))
987	987
988		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
989		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1129	+
	1130	+
	1131	+== 5.3  Power Consumption Analyze ==
	1132	+
	1133	+(((
	1134	+Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
990	990	)))
991	991
	1137	+(((
	1138	+Instruction to use as below:
	1139	+)))
992	992
993		-
	1141	+
	1142	+**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
	1143	+
	1144	+[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
	1145	+
	1146	+
	1147	+**Step 2**: Open it and choose
	1148	+
	1149	+* Product Model
	1150	+* Uplink Interval
	1151	+* Working Mode
	1152	+
	1153	+And the Life expectation in difference case will be shown on the right.
	1154	+
	1155	+[[image:1654593605679-189.png]]
	1156	+
	1157	+
	1158	+The battery related documents as below:
	1159	+
	1160	+* (((
	1161	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
994	994	)))
	1163	+* (((
	1164	+[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	1165	+)))
	1166	+* (((
	1167	+[[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]]
	1168	+)))
995	995
996		-== 3.3  Set Interrupt Mode ==
	1170	+[[image:image-20220607172042-11.png]]
997	997
998		-Feature, Set Interrupt mode for GPIO_EXIT.
999	999
1000		-(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1001	1001
1002		-[[image:image-20220610174917-9.png]]
	1174	+=== 5.3.1  ​Battery Note ===
1003	1003
	1176	+(((
	1177	+The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
	1178	+)))
1004	1004
1005		-(% style="color:#037691" %)**Downlink Command: 0x06**
1006	1006
1007		-Format: Command Code (0x06) followed by 3 bytes.
1008	1008
1009		-This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1182	+=== ​5.3.2  Replace the battery ===
1010	1010
1011		-* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1012		-* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1184	+(((
	1185	+You can change the battery in the LLDS12.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
	1186	+)))
1013	1013
	1188	+(((
	1189	+The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	1190	+)))
1014	1014
1015		-= 4.  FAQ =
1016	1016
1017		-== 4.1  What is the frequency plan for LDDS75? ==
1018	1018
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"]]
	1194	+= 6.  Use AT Command =
1020	1020
	1196	+== 6.1  Access AT Commands ==
1021	1021
	1198	+LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1022	1022
1023		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1200	+[[image:1654593668970-604.png]]
1024	1024
1025		-You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1026		-When downloading the images, choose the required image file for download. ​
	1202	+**Connection:**
1027	1027
	1204	+(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1028	1028
	1206	+(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1029	1029
1030		-== 4.3  Can I use LDDS75 in condensation environment? ==
	1208	+(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1031	1031
1032		-LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1033	1033
	1211	+(((
	1212	+(((
	1213	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
	1214	+)))
1034	1034
	1216	+(((
	1217	+LLDS12 will output system info once power on as below:
	1218	+)))
	1219	+)))
1035	1035
1036		-= 5.  Trouble Shooting =
1037	1037
1038		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
	1222	+ [[image:1654593712276-618.png]]
1039	1039
1040		-It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1224	+Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1041	1041
1042	1042
1043		-== 5.2  AT Command input doesn't work ==
	1227	+= 7.  FAQ =
1044	1044
	1229	+== 7.1  How to change the LoRa Frequency Bands/Region ==
	1230	+
	1231	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
	1232	+When downloading the images, choose the required image file for download. ​
	1233	+
	1234	+
	1235	+= 8.  Trouble Shooting =
	1236	+
	1237	+== 8.1  AT Commands input doesn’t work ==
	1238	+
	1239	+
	1240	+(((
1045	1045	In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
	1242	+)))
1046	1046
	1244	+
	1245	+== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
	1246	+
	1247	+
1047	1047	(((
	1249	+(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
	1250	+)))
	1251	+
	1252	+(((
	1253	+Troubleshooting: Please avoid use of this product under such circumstance in practice.
	1254	+)))
	1255	+
	1256	+(((
1048	1048
1049	1049	)))
1050	1050
	1260	+(((
	1261	+(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
	1262	+)))
1051	1051
1052		-= 6.  Order Info =
	1264	+(((
	1265	+Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
	1266	+)))
1053	1053
1054	1054
1055		-Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1056	1056
	1270	+= 9.  Order Info =
1057	1057
1058		-(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1059	1059
1060		-* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1061		-* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1062		-* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1063		-* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1064		-* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1065		-* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1066		-* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1067		-* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
	1273	+Part Number: (% style="color:blue" %)**LLDS12-XX**
1068	1068
1069		-(% style="color:blue" %)**YY**(%%): Battery Option
1070	1070
1071		-* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1072		-* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
	1276	+(% style="color:blue" %)**XX**(%%): The default frequency band
1073	1073
	1278	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	1279	+* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
	1280	+* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
	1281	+* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
	1282	+* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
	1283	+* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
	1284	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	1285	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1074	1074
1075		-= 7. ​ Packing Info =
	1287	+= 10. ​ Packing Info =
1076	1076
1077	1077
1078	1078	**Package Includes**:
1079	1079
1080		-* LDDS75 LoRaWAN Distance Detection Sensor x 1
	1292	+* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1081	1081
1082	1082	**Dimension and weight**:
1083	1083
...	...	@@ -1086,8 +1086,7 @@
1086	1086	* Package Size / pcs : cm
1087	1087	* Weight / pcs : g
1088	1088
	1301	+= 11.  ​Support =
1089	1089
1090		-= 8.  ​Support =
1091		-
1092	1092	* 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.
1093	1093	* 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:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].

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