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97	97	* IP66 Waterproof Enclosure
98	98	* 8500mAh Battery for long term use
99	99
	100	+
100	100	== 1.3  Specification ==
101	101
102	102	=== 1.3.1  Rated environmental conditions ===
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143	143	* Sewer
144	144	* Bottom water level monitoring
145	145
	147	+
146	146	== 1.6  Pin mapping and power on ==
147	147
148	148
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302	302	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
303	303	* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
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	307	+
305	305	=== 2.3.3  Interrupt Pin ===
306	306
307	307	This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
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875	875	* Solid ON for 5 seconds once device successful Join the network.
876	876	* Blink once when device transmit a packet.
877	877
	881	+
878	878	== 2.8  ​Firmware Change Log ==
879	879
880	880
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	1159	+
1155	1155	= 5.  FAQ =
1156	1156
1157		-== 5.1  What is the frequency plan for LDDS45? ==
	1162	+== 5.1  What is the frequency plan for LDDS75? ==
1158	1158
1159		-LDDS45 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"]]
	1164	+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"]]
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	1175	+== 5.3  Can I use LDDS75 in condensation environment? ==
	1176	+
	1177	+LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
	1178	+
	1179	+
	1180	+
1170	1170	= 6.  Trouble Shooting =
1171	1171
1172		-== 6.1  AT Command input doesn't work ==
	1183	+== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1173	1173
	1185	+It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1186	+
	1187	+
	1188	+== 6.2  AT Command input doesn't work ==
	1189	+
1174	1174	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.
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1176	1176	(((