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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 upgradable via program port
	30	+* Firmware upgradeable 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	+= Sensors & Accessories =
60	60
	62	+== E3 Temperature Probe ==
	63	+
	64	+[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
	65	+
	66	+
	67	+With Temperature sensor with 2 meters cable long
	68	+
	69	+* Resolution: 0.0625 °C
	70	+* ±0.5°C accuracy from -10°C to +85°C
	71	+* ±2°C accuracy from -55°C to +125°C
	72	+* Operating Range: -40 ~~ 125 °C
	73	+* -55°C to 125°C
	74	+* Working voltage 2.35v ~~ 5v
	75	+
	76	+
61	61	= Battery & How to replace =
62	62
63	63	== Battery Type ==
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65	65	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.
66	66
67	67	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
68		-[[image:image-20220515075034-1.png||height="208" width="644"]]
	84	+[[image:image-20220515075034-1.png||height="208" width="644"]]
69	69
70	70
71	71	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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86	86
87	87	= Order Info =
88	88
89		-Part Number: (% class="mark" %)**LHT65-XX**
	105	+Part Number: (% class="mark" %)**LHT65N-XX**
90	90
91	91	**XX**: The default frequency band
92	92
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99	99	* **IN865**: LoRaWAN IN865 band
100	100	* **CN470**: LoRaWAN CN470 band
101	101
	118	+**YY**: Sensor Accessories
	119	+
	120	+* **E3**: External Temperature Probe
	121	+
102	102	= Packing Info =
103	103
104	104	**Package Includes**:
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123	123	(2) this device must accept any interference received, including interference that may cause undesired operation
124	124
125	125
126		-

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