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590		-== 2.5  ​Battery Analysis ==
	590	+== 2.6  ​LED Indicator ==
591	591
592		-=== 2.5.1  ​Battery Type ===
593	593
	593	+The NDDS75 has an internal LED which is to show the status of different state.
594	594
	595	+
	596	+* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
	597	+* Then the LED will be on for 1 second means device is boot normally.
	598	+* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
	599	+* For each uplink probe, LED will be on for 500ms.
	600	+
595	595	(((
596		-The N95S31B battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
	602	+
597	597	)))
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	605	+
	606	+
	607	+== 2.7  ​Firmware Change Log ==
	608	+
	609	+
599	599	(((
	611	+Download URL & Firmware Change log
	612	+)))
	613	+
	614	+(((
	615	+[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]]
	616	+)))
	617	+
	618	+
	619	+(((
	620	+Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
	621	+)))
	622	+
	623	+
	624	+
	625	+== 2.8  ​Battery Analysis ==
	626	+
	627	+=== 2.8.1  ​Battery Type ===
	628	+
	629	+
	630	+(((
	631	+The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
	632	+)))
	633	+
	634	+(((
600	600	The battery is designed to last for several years depends on the actually use environment and update interval.
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...	...	@@ -614,35 +614,56 @@
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616	616
617		-=== 2.5.2  Power consumption Analyze ===
	652	+=== 2.8.2  Power consumption Analyze ===
618	618
619	619	(((
620		-The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project.
	655	+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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	658	+
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624		-
	660	+Instruction to use as below:
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	663	+(((
	664	+(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
	665	+)))
627	627
628		-=== 2.5.3  ​Battery Note ===
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630	630	(((
631		-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 uplink data, then the battery life may be decreased.
	669	+(% style="color:blue" %)**Step 2: **(%%) Open it and choose
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	672	+* (((
	673	+Product Model
	674	+)))
	675	+* (((
	676	+Uplink Interval
	677	+)))
	678	+* (((
	679	+Working Mode
	680	+)))
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	682	+(((
	683	+And the Life expectation in difference case will be shown on the right.
	684	+)))
635	635
636		-=== 2.5.4  Replace the battery ===
	686	+[[image:image-20220709110451-3.png]]
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638	638
	689	+
	690	+=== 2.8.3  ​Battery Note ===
	691	+
639	639	(((
640		-You can change the battery in the N95S31B.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.
	693	+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.
641	641	)))
642	642
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	697	+
	698	+=== 2.8.4  Replace the battery ===
	699	+
644	644	(((
645		-The default battery pack of N95S31B includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
	701	+The default battery pack of NDDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
646	646	)))
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665	665
666	666	== 4.1  Access AT Commands ==
667	667
668		-See NBSN95 AT Command in this link for detail:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/]]
	724	+See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
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671	671	AT+<CMD>?  : Help on <CMD>
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753	753	)))
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755	755	(((
756		-
757		-
758		-(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
	812	+(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.
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...	...	@@ -787,7 +787,7 @@
787	787	= 7. ​ Order Info =
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790		-Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
	844	+Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
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793	793	(% class="wikigeneratedid" %)
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803	803	(% style="color:#037691" %)**Package Includes**:
804	804
805		-* N95S31B NB-IoT Temperature and Humidity Sensor
	859	+* NSE01 NB-IoT Distance Detect Sensor Node x 1
806	806	* External antenna x 1
807	807	)))
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...	...	@@ -811,10 +811,11 @@
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812	812	(% style="color:#037691" %)**Dimension and weight**:
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	868	+
814	814	* Device Size: 13.0 x 5 x 4.5 cm
815	815	* Device Weight: 150g
816		-* Package Size / pcs : 14.0 x 8x 5 cm
817		-* Weight / pcs : 180g
	871	+* Package Size / pcs : 15 x 12x 5.5 cm
	872	+* Weight / pcs : 220g
818	818	)))
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