Changes for page LT-22222-L -- LoRa I/O Controller User Manual

Last modified by Saxer Lin on 2025/04/15 17:24

From version < 106.1 >

edited by Bei Jinggeng
on 2022/11/18 10:02

To version < 101.3 >

edited by Xiaoling
on 2022/10/25 15:22

Change comment: There is no comment for this version

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@@ -1,1 +1,1 @@
--XWiki.Bei
++XWiki.Xiaoling

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@@ -64,7 +64,7 @@
  )))
  * (((
--STM32L072xxxx MCU
++STM32L072CZT6 MCU
  )))
  * (((
  SX1276/78 Wireless Chip
@@ -186,7 +186,6 @@
  * Firmware upgradable via program port
  * Counting
--
  == 1.4  Applications ==
@@ -197,7 +197,6 @@
  * Smart Cities
  * Smart Factory
--
  == 1.5 Hardware Variants ==
@@ -212,7 +212,6 @@
  * 1 x Counting Port
  )))
--
  = 2. Power ON Device =
@@ -310,7 +310,6 @@
  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
--
  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
@@ -367,7 +367,6 @@
  ** DO1 is high in case there is load between DO1 and V+.
  ** DO1 LED is off in both case
--
  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
@@ -746,6 +746,7 @@
++
  === 3.3.7 Payload Decoder ===
  (((
@@ -769,11 +769,10 @@
  )))
  )))
--* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
++* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
--* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
++* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
--
  === 3.4.1 Common Commands ===
@@ -793,7 +793,7 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+TDC=N **
++**AT+TDC=N **
  **Example: **AT+TDC=30000. Means set interval to 30 seconds
@@ -801,10 +801,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
--(% style="color:blue" %)**0x01 aa bb cc  **(%%)**   ~/~/ Same as AT+TDC=0x(aa bb cc)**
++**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
++
  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
@@ -812,7 +812,7 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+MOD=N  **
++**AT+MOD=N  **
  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
@@ -820,10 +820,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
--(% style="color:blue" %)**0x0A aa  **(%%)**  ** ~/~/ Same as AT+MOD=aa
++**0x0A aa    ** ~/~/ Same as AT+MOD=aa
++
  ==== 3.4.2.3 Poll an uplink ====
@@ -834,7 +834,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
--(% style="color:blue" %)**0x08 FF  **(%%)**   **~/~/ Poll an uplink
++**0x08 FF     **~/~/ Poll an uplink
  **Example**: 0x08FF, ask device to send an Uplink
@@ -841,6 +841,7 @@
++
  ==== 3.4.2.4 Enable Trigger Mode ====
@@ -848,16 +848,16 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
++**AT+ADDMOD6=1 or 0**
--(% style="color:red" %)**1:** (%%)Enable Trigger Mode
++1: Enable Trigger Mode
--(% style="color:red" %)**0: **(%%)Disable Trigger Mode
++0: Disable Trigger Mode
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
--(% style="color:blue" %)**0x0A 06 aa    **(%%)    ~/~/ Same as AT+ADDMOD6=aa
++**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
@@ -874,10 +874,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
--(% style="color:blue" %)**0xAB 06  **  (%%)   ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
++**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
++
  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
@@ -885,7 +885,7 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
++**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
  **Example:**
@@ -894,10 +894,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
--(% style="color:blue" %)**0xAA 02 aa bb   **  (%%) ~/~/ Same as AT+DTRI=aa,bb
++**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
++
  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
@@ -905,11 +905,11 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+TRIG1=a,b**
++**AT+TRIG1=a,b**
--(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
++a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
--(% style="color:red" %)**b :** (%%)delay timing.
++b : delay timing.
  **Example:**
@@ -918,11 +918,8 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
++* **0x09 01 aa bb cc    **     ~/~/ same as AT+TRIG1=aa,0x(bb cc)
--(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%)    ~/~/ same as AT+TRIG1=aa,0x(bb cc)
--
--
--
  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
@@ -930,13 +930,14 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+TRIG2=a,b**
++**AT+TRIG2=a,b**
--(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
--(% style="color:red" %)**b :** (%%)delay timing.
++a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
++b : delay timing.
++
  **Example:**
  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
@@ -944,10 +944,11 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
--(% style="color:blue" %)**0x09 02 aa bb cc   **  (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
++**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
++
  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
@@ -955,15 +955,16 @@
  * (% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+ACLIM**
++**AT+ACLIM**
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
--(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%)  ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++**0x AA 01 aa bb cc dd ee ff gg hh        **   ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
@@ -971,15 +971,16 @@
  * (% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+AVLIM    **(%%)**        See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
++**AT+AVLIM            See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
--(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
++
  ==== 3.4.2.11 Trigger – Set minimum interval ====
@@ -987,12 +987,12 @@
  * (% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
++**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
--(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
++**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
  (((
@@ -1002,6 +1002,7 @@
++
  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
@@ -1011,7 +1011,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
--* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
++* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
  (((
  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
@@ -1033,6 +1033,7 @@
++
  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
@@ -1043,7 +1043,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
--(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
++**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
  This is to control the digital output time of DO pin. Include four bytes:
@@ -1099,6 +1099,7 @@
++
  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
@@ -1109,7 +1109,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
--(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
++**0x03 aa bb     **~/~/ Set RO1/RO2 output
  (((
@@ -1139,7 +1139,7 @@
  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
--(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
++**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
  This is to control the relay output time of relay. Include four bytes:
@@ -1190,33 +1190,39 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
++**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
--(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
++**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
++
  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
++**AT+SETCNT=aa,(bb cc dd ee) **
--(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
++aa: 1: Set count1,
--(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
++2: Set count2,
++3: Set AV1 count
++Bb cc dd ee: number to be set
++
++
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
--(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
++
  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
@@ -1224,79 +1224,87 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
++**AT+CLRCOUNT ** ~/~/ clear all counting
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
--(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
++**0x A6 01    ** ~/~/ clear all counting
++
  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
++**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
--(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
++**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
  (((
  range: aa bb cc:0 to 16777215,  (unit:second)
--)))
--==== 3.4.2.20 Reset save RO DO state ====
++
++)))
++==== 3.4.2.20 Reset save DR DO state ====
++
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
++**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
--(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
++**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
--(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
++**0x AD aa      **~/~/ same as AT+RODORET =aa
++(((
++
++
  ==== 3.4.2.21 Encrypted payload ====
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+DECRYPT=1  **   (%%)~/~/ The payload is uploaded without encryption
++**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
--(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
++**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
++
  ==== 3.4.2.22 Get sensor value ====
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
++**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
--(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
++**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
++
  ==== 3.4.2.23 Resets the downlink packet count ====
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
++**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
--(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
++**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
@@ -1306,14 +1306,14 @@
  * (% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+DISMACANS=0**   (%%)  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
++       **AT+DISMACANS=0**     ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
--(% style="color:blue" %)**AT+DISMACANS=1**  (%%)    ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
++       **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
--(% style="color:blue" %)**0x21 00 01 **   (%%)      ~/~/ Set  the DISMACANS=1
++**0x21 00 01 **         ~/~/ Set  the DISMACANS=1
@@ -1323,7 +1323,7 @@
  * (% style="color:#037691" %)**AT Command**(%%)**:**
--(% style="color:blue" %)**AT+RPL=5**   (%%)  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
++       **AT+RPL=5**     ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
  Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
@@ -1346,7 +1346,7 @@
  * (((
  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
--(% style="color:blue" %)**26 01  ** (%%)  ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
++**26 01  **   ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
  )))
@@ -1356,6 +1356,8 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
++
++)))
  == 3.5 Integrate with Mydevice ==
@@ -1544,10 +1544,8 @@
  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
--**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
++NPN output: GND or Float. Max voltage can apply to output pin is 36v.
--Note: DO pins go to float when device is power off.
--
  [[image:1653357531600-905.png]]
@@ -1588,9 +1588,7 @@
  (((
--The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
--
--**Note**: RO pins go to Open(NO) when device is power off.
++The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
  )))
  [[image:image-20220524100215-9.png]]
@@ -1959,7 +1959,7 @@
  (((
--(% style="color:blue" %)**If sensor JOINED:**
++(% style="color:blue" %)If sensor JOINED:
  (% style="background-color:#dcdcdc" %)**AT+CLASS=A
  ATZ**
@@ -2044,6 +2044,7 @@
  (((
  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
++
  )))
  )))
@@ -2104,7 +2104,7 @@
  == 5.5 Can i use point to point communication for LT-22222-L? ==
--Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
++Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
@@ -2133,13 +2133,7 @@
  [[image:image-20221006170630-1.png||height="610" width="945"]]
--== 5.8 Can LT22222-L save RO state? ==
--
--Firmware version needs to be no less than 1.6.0.
--
--
--
  = 6. Trouble Shooting =
@@ -2203,6 +2203,7 @@
  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
++
  = 8. Packing Info =
@@ -2221,6 +2221,7 @@
  * Weight / pcs : 170g
++
  = 9. Support =
@@ -2231,6 +2231,7 @@
  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:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
++
  )))

image-20221112174847-1.png

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...	...	@@ -1,1 +1,0 @@
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