Summary

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57	57	* IP66 Waterproof Enclosure
58	58	* 4000mAh or 8500mAh Battery for long term use
59	59
	60	+
	61	+
60	60	== 1.3  Specification ==
61	61
62	62	=== 1.3.1  Rated environmental conditions ===
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80	80	(% style="display:none" %) (%%)
81	81
82	82
	85	+
83	83	== 1.5 ​ Applications ==
84	84
85	85	* Horizontal distance measurement
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92	92	* Sewer
93	93	* Bottom water level monitoring
94	94
	98	+
	99	+
95	95	== 1.6  Pin mapping and power on ==
96	96
97	97
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98	98	[[image:1654847583902-256.png]]
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100	100
	106	+
101	101	= 2.  Configure LDDS75 to connect to LoRaWAN network =
102	102
103	103	== 2.1  How it works ==
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111	111	)))
112	112
113	113
	120	+
114	114	== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
115	115
116	116	(((
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230	230	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
231	231	* 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.
232	232
233		-
234		-
235	235	=== 2.3.3  Interrupt Pin ===
236	236
237	237	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.
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329	329	)))
330	330
331	331
	337	+
332	332	=== 2.6.1  EU863-870 (EU868) ===
333	333
334	334	(((
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529	529	=== 2.6.4  AU915-928(AU915) ===
530	530
531	531	(((
532		-Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
533		-)))
	538	+Default use CHE=2
534	534
535		-(((
536		-To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
537		-)))
	540	+(% style="color:blue" %)**Uplink:**
538	538
539		-(((
540		-
541		-)))
	542	+916.8 - SF7BW125 to SF12BW125
542	542
543		-(((
544		-After Join success, the end node will switch to the correct sub band by:
545		-)))
	544	+917.0 - SF7BW125 to SF12BW125
546	546
547		-* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
548		-* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
	546	+917.2 - SF7BW125 to SF12BW125
549	549
	548	+917.4 - SF7BW125 to SF12BW125
	549	+
	550	+917.6 - SF7BW125 to SF12BW125
	551	+
	552	+917.8 - SF7BW125 to SF12BW125
	553	+
	554	+918.0 - SF7BW125 to SF12BW125
	555	+
	556	+918.2 - SF7BW125 to SF12BW125
	557	+
	558	+
	559	+(% style="color:blue" %)**Downlink:**
	560	+
	561	+923.3 - SF7BW500 to SF12BW500
	562	+
	563	+923.9 - SF7BW500 to SF12BW500
	564	+
	565	+924.5 - SF7BW500 to SF12BW500
	566	+
	567	+925.1 - SF7BW500 to SF12BW500
	568	+
	569	+925.7 - SF7BW500 to SF12BW500
	570	+
	571	+926.3 - SF7BW500 to SF12BW500
	572	+
	573	+926.9 - SF7BW500 to SF12BW500
	574	+
	575	+927.5 - SF7BW500 to SF12BW500
	576	+
	577	+923.3 - SF12BW500(RX2 downlink only)
	578	+
	579	+
	580	+
	581	+)))
	582	+
550	550	=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
551	551
552	552	(((