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 < 77.63 >

edited by Xiaoling
on 2022/06/10 09:15

To version < 77.2 >

edited by Xiaoling
on 2022/06/10 08:37

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@@ -51,8 +51,6 @@
  == 1.2  Specifications ==
  (((
--
--
  **Hardware System:**
  )))
@@ -205,7 +205,6 @@
  [[image:1653297104069-180.png]]
--
  = 3. Operation Mode =
  == 3.1 How it works? ==
@@ -220,8 +220,6 @@
  )))
--
--
  == 3.2 Example to join LoRaWAN network ==
  (((
@@ -263,7 +263,6 @@
  [[image:1653298044601-602.png||height="405" width="709"]]
--
  == 3.3 Uplink Payload ==
  There are five working modes + one interrupt mode on LT for different type application:
@@ -418,7 +418,6 @@
  )))
--
  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
  **LT22222-L**: This mode the DI1 is used as a counting pin.
@@ -463,8 +463,6 @@
  )))
--
--
  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
  **LT22222-L**: This mode the DI1 is used as a counting pin.
@@ -546,7 +546,6 @@
  )))
--
  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
  **LT22222-L**: This mode the DI1 is used as a counting pin.
@@ -591,8 +591,6 @@
  )))
--
--
  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
@@ -716,7 +716,6 @@
  When device got this command, it will send the MOD6 payload.
--
  === 3.3.7 Payload Decoder ===
  (((
@@ -725,8 +725,6 @@
  )))
--
--
  == 3.4 Configure LT via AT or Downlink ==
  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
@@ -744,7 +744,6 @@
  They should be available for each of Dragino Sensors, 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]]
--
  === 3.4.2 Sensor related commands ===
  ==== 3.4.2.1 Set Transmit Interval ====
@@ -768,7 +768,6 @@
  )))
--
  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
  Set work mode.
@@ -790,7 +790,6 @@
  )))
--
  ==== 3.4.2.3 Poll an uplink ====
  * AT Command:
@@ -807,7 +807,6 @@
  **Example**: 0x08FF, ask device to send an Uplink
--
  ==== 3.4.2.4 Enable Trigger Mode ====
  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
@@ -831,7 +831,6 @@
  )))
--
  ==== 3.4.2.5 Poll trigger settings ====
  Poll trigger settings,
@@ -848,7 +848,6 @@
  )))
--
  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
  Enable Disable DI1/DI2/DI2 as trigger,
@@ -872,7 +872,6 @@
  )))
--
  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
  Set DI1 or DI3(for LT-33222-L) trigger.
@@ -900,7 +900,6 @@
  )))
--
  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
  Set DI2 trigger.
@@ -928,7 +928,6 @@
  )))
--
  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
@@ -948,7 +948,6 @@
  )))
--
  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
@@ -968,7 +968,6 @@
  )))
--
  ==== 3.4.2.11 Trigger – Set minimum interval ====
  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
@@ -988,7 +988,6 @@
  )))
--
  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
  * AT Command:
@@ -1021,7 +1021,6 @@
  )))
--
  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
  * AT Command:
@@ -1084,7 +1084,6 @@
  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
--
  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
  * AT Command:
@@ -1113,7 +1113,6 @@
  Device will upload a packet if downlink code executes successfully.
--
  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
  * AT Command:
@@ -1137,17 +1137,14 @@
 : Relays will change to an inverter state after timeout
--
  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
  [[image:image-20220524093831-10.png]]
--
  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
  Device will upload a packet if downlink code executes successfully.
--
  **Example payload:**
  **~1. 05 01 11 07 D0**
@@ -1167,7 +1167,6 @@
  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
--
  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
@@ -1187,7 +1187,6 @@
  )))
--
  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
  * AT Command:
@@ -1213,7 +1213,6 @@
  )))
--
  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
  Clear counting for counting mode
@@ -1233,7 +1233,6 @@
  )))
--
  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
  * AT Command:
@@ -1256,17 +1256,16 @@
  )))
--
  == 3.5 Integrate with Mydevice ==
  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
  (((
--(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
++**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
  )))
  (((
--(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
++**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
  )))
  [[image:1653356737703-362.png||height="232" width="732"]]
@@ -1273,13 +1273,12 @@
  [[image:image-20220524094641-11.png||height="390" width="723"]]
--
  [[image:image-20220524094641-12.png||height="402" width="718"]]
--(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
++**Step 3**: Create an account or log in Mydevices.
--(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
++**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
  Search under The things network
@@ -1286,25 +1286,19 @@
  [[image:1653356838789-523.png||height="337" width="740"]]
--
  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
  [[image:image-20220524094909-1.png||height="335" width="729"]]
--
  [[image:image-20220524094909-2.png||height="337" width="729"]]
--
  [[image:image-20220524094909-3.png||height="338" width="727"]]
--
  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
--
  [[image:image-20220524094909-5.png||height="341" width="734"]]
--
  == 3.6 Interface Detail ==
  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
@@ -1314,7 +1314,6 @@
  [[image:1653356991268-289.png]]
--
  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
  (((
@@ -1340,7 +1340,7 @@
  )))
  (((
--(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
++**Example1**: Connect to a Low active sensor.
  )))
  (((
@@ -1371,7 +1371,7 @@
  )))
  (((
--(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
++**Example2**: Connect to a High active sensor.
  )))
  (((
@@ -1402,7 +1402,7 @@
  )))
  (((
--(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
++**Example3**: Connect to a 220v high active sensor.
  )))
  (((
@@ -1429,7 +1429,6 @@
  )))
--
  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
@@ -1437,14 +1437,12 @@
  [[image:1653357531600-905.png]]
--
  === 3.6.4 Analog Input Interface ===
  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
++**AC2 = (IN2 voltage )/12**
--(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
--
  [[image:1653357592296-182.png]]
  Example to connect a 4~~20mA sensor
@@ -1451,24 +1451,22 @@
  We take the wind speed sensor as an example for reference only.
++Specifications of the wind speed sensor:
--**Specifications of the wind speed sensor:**
++Red:12~~24v
--Red:      12~~24v
++Yellow:4~~20mA
--Yellow:  4~~20mA
++Black:GND
--Black:   GND
++Connection diagram:
--**Connection diagram:**
--
  [[image:1653357640609-758.png]]
  [[image:1653357648330-671.png||height="155" width="733"]]
--
  === 3.6.5 Relay Output ===
  (((
@@ -1480,7 +1480,6 @@
  [[image:image-20220524100215-10.png||height="382" width="723"]]
--
  == 3.7 LEDs Indicators ==
  [[image:image-20220524100748-11.png]]
@@ -1494,7 +1494,6 @@
  [[image:1653358238933-385.png]]
--
  (((
  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
  )))
@@ -1501,7 +1501,6 @@
  [[image:1653358355238-883.png]]
--
  (((
  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
  )))
@@ -1692,16 +1692,12 @@
  )))
--
--
  == 4.2 Common AT Command Sequence ==
  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
  (((
--
--
--**If device has not joined network yet:**
++If device has not joined network yet:
  )))
  (((
@@ -1726,7 +1726,7 @@
  (((
--**If device already joined network:**
++If device already joined network:
  )))
  (((
@@ -1739,14 +1739,10 @@
  )))
--
--
  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
  (((
--
--
--(% style="background-color:#dcdcdc" %)123456(%%)     Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
  )))
  (((
@@ -1754,7 +1754,7 @@
  )))
  (((
--(% style="background-color:#dcdcdc" %) 123456(%%)     Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
  )))
  (((
@@ -1762,41 +1762,39 @@
  )))
  (((
--(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)    Set to ABP mode
++(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
  )))
  (((
--(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)    Set the Adaptive Data Rate Off
++(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
  )))
  (((
--(% style="background-color:#dcdcdc" %) AT+DR=5(%%)       Set Data Rate
++(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
  )))
  (((
--(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)              Set transmit interval to 60 seconds
++(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
  )))
  (((
--(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)      Set transmit frequency to 868.4Mhz
++(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
  )))
  (((
--(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
++(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
  )))
  (((
--(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)                  Set RX2DR to match the downlink DR from server. see below
++(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
  )))
  (((
--(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)  Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
++(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
  )))
  (((
--(% style="background-color:#dcdcdc" %) ATZ         (%%)                             Reset MCU
--
--
++(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
  )))
  (((
@@ -1818,7 +1818,6 @@
  )))
--
  === 4.2.3 Change to Class A ===
  If sensor JOINED
@@ -1830,25 +1830,19 @@
  == 5.1 How to upgrade the image? ==
--
  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
  * Support new features
  * For bug fix
  * Change LoRaWAN bands.
--
  Below shows the hardware connection for how to upload an image to the LT:
++* [[image:1653359603330-121.png]]
--[[image:1653359603330-121.png]]
--
--
  (((
--(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
--(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
--(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
--
--
--(% style="color:blue" %)**For LT-22222-L**(%%):
++**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
++**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
++**Step3: **Open flashloader; choose the correct COM port to update.
++**For LT-22222-L**:
  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
  )))
@@ -1858,7 +1858,6 @@
  [[image:image-20220524104033-15.png]]
--
  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
  [[image:1653360054704-518.png||height="186" width="745"]]
@@ -1866,8 +1866,6 @@
  (((
  (((
--
--
  == 5.2 How to change the LoRa Frequency Bands/Region? ==
  )))
  )))
@@ -1874,11 +1874,11 @@
  (((
  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
--)))
--(((
++)))
++(((
  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
  )))
@@ -1891,8 +1891,6 @@
  (((
  (((
  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
--
--
  )))
  )))
@@ -1908,25 +1908,23 @@
  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
  )))
--
  (((
  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
  )))
  (((
--(% style="background-color:#dcdcdc" %)123456 (%%)     Enter Password to have AT access.
--(% style="background-color:#dcdcdc" %)AT+FDR(%%)     Reset Parameters to Factory Default, Keys Reserve
--(% style="background-color:#dcdcdc" %)123456 (%%)     Enter Password to have AT access.
--(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)    Set to ABP mode
--(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)    Set the Adaptive Data Rate Off
--(% style="background-color:#dcdcdc" %)AT+DR=5 (%%)      Set Data Rate (Set AT+DR=3 for 915 band)
--(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)         Set transmit interval to 60 seconds
--(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
--(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)    Set Device Address to 26 01 1A F1
--(% style="background-color:#dcdcdc" %)ATZ        (%%)                              Reset MCU
++(% style="background-color:#dcdcdc" %)123456 (%%)  Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
++(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
++(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
++(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
++(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
++(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
++(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
++(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
  )))
--
  (((
  As shown in below:
  )))
@@ -1943,11 +1943,11 @@
  == 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]]
--)))
--(((
++)))
++(((
  = 6. Trouble Shooting =
  )))
@@ -1959,11 +1959,11 @@
  (((
  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
--)))
--(((
++)))
++(((
  == 6.2 Have trouble to upload image. ==
  )))
@@ -1973,7 +1973,9 @@
  (((
++)))
++(((
  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
  )))
@@ -1981,55 +1981,147 @@
  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
  )))
++(((
++
++)))
--
++(((
  = 7. Order Info =
++)))
--
++(((
++(((
  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
++)))
++)))
--
++(((
++(((
  (% style="color:#4f81bd" %)**XXX:**
++)))
++)))
--* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
--* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
--* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
--* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
--* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
--* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
--* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
--* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
--* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
++(((
++* (((
++(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
++)))
++)))
--= 8. Packing Info =
++(((
++* (((
++(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
++)))
++)))
++(((
++* (((
++(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
++)))
++)))
++(((
++* (((
++(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
++)))
++)))
++
++(((
++* (((
++(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
++)))
++)))
++
++(((
++* (((
++(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
++)))
++)))
++
++(((
++* (((
++(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
++)))
++)))
++
++(((
++* (((
++(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
++)))
++)))
++
++(((
++* (((
++(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
++
++
++)))
++
++= 8. Packing Info =
++)))
++
++(((
++(((
  **Package Includes**:
++)))
++)))
++(((
++(((
  * LT-22222-L I/O Controller x 1
  * Stick Antenna for LoRa RF part x 1
  * Bracket for controller x1
  * Program cable x 1
++)))
++)))
++(((
++(((
  **Dimension and weight**:
++)))
++)))
++(((
++(((
  * Device Size: 13.5 x 7 x 3 cm
  * Device Weight: 105g
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
++
++)))
++)))
++
++(((
  = 9. Support =
++)))
  * (((
++(((
  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.
  )))
++)))
  * (((
--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]]
++(((
++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]]
++
++
++)))
++
++(((
  = 10. Reference =
--* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
++* Product Page:
++
++LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
++
  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
++)))
++)))

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