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	38	+
38	38	== ​1.2 Features ==
39	39
40	40	* LoRaWAN 1.0.3 Class A
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49	49	* Downlink to change configure
50	50	* 8500mAh Battery for long term use
51	51
52		-
53		-
54	54	== 1.3 Probe Specification ==
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56	56
57		-* Storage temperature ：-20℃~~75℃
58		-* Operating temperature - -20℃~~60℃
59		-* Operating Range - 0.1m~~12m①
60		-* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
61		-* Distance resolution - 5mm
62		-* Ambient light immunity - 70klux
63		-* Enclosure rating - IP65
64		-* Light source - LED
65		-* Central wavelength - 850nm
66		-* FOV - 3.6°
67		-* Material of enclosure - ABS+PC
68		-* Wire length - 25cm
	56	+(% style="color:#4f81bd" %)**Soil pH:**
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	58	+* Range: 3 ~~ 10 pH
	59	+* Resolution: 0.01 pH
	60	+* Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
	61	+* Temperature Compensation Range: 0 ~~ 50℃
	62	+* IP68 Protection
	63	+* Length: 3.5 meters
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	65	+(% style="color:#4f81bd" %)**Soil Temperature:**
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	67	+* Range -40℃～85℃
	68	+* Resolution: 0.1℃
	69	+* Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
	70	+* IP68 Protection
	71	+* Length: 3.5 meters
	72	+
72	72	== 1.4 ​Applications ==
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74	74	* Smart Agriculture
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76		-
77		-
78	78	== 1.5 Pin mapping and power on ==
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80	80	[[image:1654592472094-134.png]]
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478	478	* Reply to the confirmation package: 14 01
479	479	* Reply to non-confirmed packet: 14 00
480	480
	480	+
481	481	== 2.8 Frequency Plans ==
482	482
483	483	(((
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562	562	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
563	563	* 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)
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	565	+
565	565	=== 2.8.3 CN470-510 (CN470) ===
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567	567	(((