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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		-== Installation ==
100		-
101		-[[image:image-20220516231650-1.png||height="632" width="620"]]
102		-
103		-
104		-
105		-
106		-= Sensors & Accessories =
107		-
108		-== E3 Temperature Probe ==
109		-
110		-[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
111		-
112		-
113		-With Temperature sensor with 2 meters cable long
114		-
115		-* Resolution: 0.0625 °C
116		-* ±0.5°C accuracy from -10°C to +85°C
117		-* ±2°C accuracy from -55°C to +125°C
118		-* Operating Range: -40 ~~ 125 °C
119		-* -55°C to 125°C
120		-* Working voltage 2.35v ~~ 5v
121		-
122		-
123	123	= Battery & How to replace =
124	124
125	125	== Battery Type ==
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127	127	LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
128	128
129	129	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
130		-[[image:image-20220515075034-1.png||height="208" width="644"]]
	68	+[[image:image-20220515075034-1.png||height="208" width="644"]]
131	131
132	132
133	133	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
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148	148
149	149	= Order Info =
150	150
151		-Part Number: (% class="mark" %)**LHT65N-XX**
	89	+Part Number: (% class="mark" %)**LHT65-XX**
152	152
153	153	**XX**: The default frequency band
154	154
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161	161	* **IN865**: LoRaWAN IN865 band
162	162	* **CN470**: LoRaWAN CN470 band
163	163
164		-**YY**: Sensor Accessories
165		-
166		-* **E3**: External Temperature Probe
167		-
168	168	= Packing Info =
169	169
170	170	**Package Includes**:
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187	187	(1) This device may not cause harmful interference, and
188	188
189	189	(2) this device must accept any interference received, including interference that may cause undesired operation
	124	+
	125	+
	126	+

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