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1052	1052	== 3.1 Set Transmit Interval Time ==
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1054	1054	Feature: Change LoRaWAN End Node Transmit Interval.
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1056	1056	(% style="color:#037691" %)**AT Command: AT+TDC**
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1077	1077	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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1081	1081	)))
1082	1082
1083	1083	== 3.2 Set Interrupt Mode ==
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1085	1085	Feature, Set Interrupt mode for GPIO_EXIT.
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1087	1087	(% style="color:#037691" %)**AT Command: AT+INTMOD**
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1116	1116	== 3.3 Calibrate Sensor ==
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1118	1118	Detail See [[Calibration Guide>>||anchor="H2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
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1122	1122	== 3.4 Get Firmware Version Info ==
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1124	1124	Feature: use downlink to get firmware version.
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1126	1126	(% style="color:#037691" %)**Downlink Command: 0x26**
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1204	1204	= 4. Battery & How to replace =
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1206	1206	== 4.1 Battery Type ==
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1208	1208	(((
1209	1209	LSPH01 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
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1212	1212	(((
1213	1213	The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
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1216	1216	[[image:1654593587246-335.png]]
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1225	1225	== 4.2 Replace Battery ==
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1227	1227	(((
1228	1228	Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
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1237	1237	== 4.3 Power Consumption Analyze ==
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1239	1239	(((
1240	1240	Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
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1280	1280	=== 4.3.1 ​Battery Note ===
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1283	1283	The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
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1288	1288	=== ​4.3.2 Replace the battery ===
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1291	1291	You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
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1300	1300	= 5. Use AT Command =
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1302	1302	== 5.1 Access AT Commands ==
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1304	1304	LSPH01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSPH01 for using AT command, as below.
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1306	1306	[[image:1654593668970-604.png]]
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1308	1308	**Connection:**
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1310	1310	(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
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1326	1326
1327	1327	= 6. FAQ =
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1329	1329	== 6.1 How to change the LoRa Frequency Bands/Region ==
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1331	1331	You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
1332	1332	When downloading the images, choose the required image file for download. ​
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1335	1335	= 7. Trouble Shooting =
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1337	1337	== 7.1 AT Commands input doesn't work ==
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1339	1339	In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
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1343	1343	= 8. Order Info =
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1345	1345	Part Number: (% style="color:blue" %)**LSPH01-XX**
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1357	1357	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1360	1360	= 9. ​Packing Info =
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1372	1372	* Weight / pcs : g
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1375	1375	= 10. ​Support =
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1377	1377	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1378	1378	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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