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27	27	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
28	28	* AT Commands to change parameters
29	29	* Remote configure parameters via LoRaWAN Downlink
30		-* Firmware upgradeable via program port
	30	+* Firmware upgradable via program port
31	31	* Built-in 2400mAh battery for up to 10 years of use.
32	32	* Built-in Temperature & Humidity sensor
33	33	* Optional External Sensors
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57	57	* ±2°C accuracy from -55°C to +125°C
58	58	* Operating Range: -55 °C ~~ 125 °C
59	59
60		-= Connect LHT65N to IoT Server =
61	61
62		-== How does LHT65N work? ==
63		-
64		-LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
65		-
66		-If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
67		-
68		-
69		-== How to Activate LHT65N? ==
70		-
71		-The LHT65N has two working modes:
72		-
73		-* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
74		-* **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode.
75		-
76		-The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
77		-
78		-[[image:image-20220515123819-1.png||height="379" width="317"]]
79		-
80		-|**Behavior on ACT**|**Function**|**Action**
81		-|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
82		-|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
83		-|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
84		-
85		-== LED Indicator ==
86		-
87		-The LHT65N has a triple color LED which for easy shows different stage.
88		-
89		-While pressing ACT button, the LED will work as per LED status with ACT button.
90		-
91		-In a normal working state:
92		-
93		-* For each uplink, the BLUE LED or RED LED will blink once.
94		-* BLUE LED when an external sensor is connected
95		-* RED LED when an external sensor is not connected
96		-* For each success downlink, the PURPLE LED will blink once
97		-
98		-----
99		-
100		-== Installation ==
101		-
102		-[[image:image-20220516231650-1.png||height="632" width="620"]]
103		-
104		-
105		-
106		-
107	107	= Sensors & Accessories =
108	108
109		-== E3 Temperature Probe ==
	63	+== E3 Temperature Probe
	64	+ ==
110	110
111	111	[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
112	112
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121	121	* Working voltage 2.35v ~~ 5v
122	122
123	123
	79	+
124	124	= Battery & How to replace =
125	125
126	126	== Battery Type ==
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166	166
167	167	* **E3**: External Temperature Probe
168	168
	125	+
169	169	= Packing Info =
170	170
171	171	**Package Includes**:
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188	188	(1) This device may not cause harmful interference, and
189	189
190	190	(2) this device must accept any interference received, including interference that may cause undesired operation
	148	+
	149	+
	150	+

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