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 < 187.1 >

edited by Dilisi S
on 2024/11/11 05:23

To version < 194.1 >

edited by Dilisi S
on 2024/11/16 00:01

Change comment: a few edits on nov 15

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- lt-22222-l-abp.png
- usb-ttl-programming.png

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@@ -111,23 +111,6 @@
  * Smart cities
  * Smart factory
--== 1.5 Hardware Variants ==
--
--
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
--|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
--|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
--(% style="text-align:center" %)
--[[image:image-20230424115112-1.png||height="106" width="58"]]
--)))|(% style="width:334px" %)(((
--* 2 x Digital Input (Bi-direction)
--* 2 x Digital Output
--* 2 x Relay Output (5A@250VAC / 30VDC)
--* 2 x 0~~20mA Analog Input (res:0.01mA)
--* 2 x 0~~30V Analog Input (res:0.01v)
--* 1 x Counting Port
--)))
--
  = 2. Assembling the device =
  == 2.1 Connecting the antenna ==
@@ -318,8 +318,12 @@
  (((
  This is the default mode.
--The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
++The uplink payload is 11 bytes long.
++(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
++
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
  |Value|(((
@@ -389,6 +389,10 @@
  (((
  The uplink payload is 11 bytes long.
++(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**
++
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
  |Value|COUNT1|COUNT2 |DIDORO*|(((
@@ -453,6 +453,9 @@
  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
++(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**
  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
@@ -503,7 +503,11 @@
  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
++(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**
++
  (((
  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
  )))
@@ -568,7 +568,11 @@
  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
++(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
++The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
++It starts counting again when it reaches the maximum value.**
++
  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
@@ -1489,7 +1489,7 @@
  [[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
--**Viewing integration details**:
++==== 3.5.2.1 Viewing integration details ====
  Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration.
@@ -1502,7 +1502,7 @@
  See also ThingsEye documentation.
  {{/info}}
--**Viewing events:**
++==== **3.5.2.2 Viewing events** ====
  The **Events **tab displays all the uplink messages from the LT-22222-L.
@@ -1517,9 +1517,9 @@
  [[image:thingseye-json.png||width="1000"]]
--**Deleting the integration**:
++==== **3.5.2.3 Deleting an integration** ====
--If you want to delete this integration, click the **Delete integratio**n button.
++If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
  == 3.6 Interface Details ==
@@ -1532,7 +1532,7 @@
  [[image:1653356991268-289.png]]
--=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
++=== 3.6.2 Digital Input Ports: DI1/DI2 ===
  (((
@@ -1662,7 +1662,7 @@
  [[image:image-20240219115718-1.png]]
--=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
++=== 3.6.3 Digital Output Ports: DO1/DO2 ===
  (% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
@@ -1773,9 +1773,10 @@
  (((
  You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
++
++[[image:usb-ttl-programming.png]]
  )))
--[[image:1653358238933-385.png]]
  (((
@@ -1792,21 +1792,21 @@
  )))
  (((
--The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between work modes.
++The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between working modes.
--* AT+<CMD>? : Help on <CMD>
--* AT+<CMD> : Run <CMD>
--* AT+<CMD>=<value> : Set the value
--* AT+<CMD>=? : Get the value
--* ATZ: Trigger a reset of the MCU
++* **##AT##+<CMD>?** : Help on <CMD>
++* **##AT##+<CMD>** : Run <CMD>
++* **##AT##+<CMD>=<value>** : Set the value
++* **##AT##+<CMD>=?** : Get the value
++* ##**ATZ**##: Trigger a reset of the MCU
  * ##**AT+FDR**##: Reset Parameters to factory default, reserve keys
  * **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
  * **##AT+DADDR##**: Get or set the Device Address (DevAddr)
  * **##AT+APPKEY##**: Get or set the Application Key (AppKey)
--* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey)
--* AT+APPSKEY: Get or set the Application Session Key (AppSKey)
--* AT+APPEUI: Get or set the Application EUI (AppEUI)
--* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
++* ##**AT+NWKSKEY**##: Get or set the Network Session Key (NwkSKey)
++* **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
++* **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
++* **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
  * AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
  * AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)
  * AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
@@ -1851,28 +1851,28 @@
  (((
--(% style="color:blue" %)**If the device has not joined the network yet:**
++(% style="color:blue" %)**If the device has not yet joined the network:**
  )))
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
++(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
++(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/Reset parameters to factory default, Reserve keys**##
  )))
  (((
--(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
++(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
  )))
  (((
--(% 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" %)##**ATZ ~/~/reset MCU**##
++(% style="background-color:#dcdcdc" %)##**ATZ ~/~/Reset MCU**##
  )))
@@ -1895,20 +1895,20 @@
  (((
--(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %)**123456**(%%)        ~/~/ Enter password to enable AT commands access
  )))
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)     ~/~/ Reset Parameters to Factory Default, Keys Reserve
++(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)     ~/~/ Reset parameters to Factory Default, Reserve keys
  )))
  (((
--(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %)** 123456**(%%)       ~/~/ Enter password to enable AT commands access
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)   ~/~/ Set to work in CLASS C
++(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)   ~/~/ Set to CLASS C mode
  )))
  (((
@@ -1928,19 +1928,19 @@
  )))
  (((
--(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)     ~/~/ Set transmit frequency to 868.4Mhz
++(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)     ~/~/ Set transmit frequency to 868.4 MHz
  )))
  (((
--(% 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 RX2 frequency to 868.4 MHz (according to the result from the 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 RX2 DR to match the downlink DR from the 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. The Device Address can be found in the application on the LoRaWAN NS.
  )))
  (((
@@ -1954,14 +1954,14 @@
  )))
  (((
--**~1. Make sure the device is set to ABP mode in the IoT Server.**
++**~1. Ensure that the device is set to ABP mode in the LoRaWAN Network Server.**
--**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
++**2. Verify that the LG01/02 gateway RX frequency matches the AT+CHS setting exactly.**
--**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
++**3. Make sure the SF/bandwidth settings in the LG01/LG02 match the settings of AT+DR. Refer to [[this link>>url:http://www.dragino.com/downloads/index.php?
  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
--**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
++**4. The commands AT+RX2FQ and AT+RX2DR enable downlink functionality. To set the correct parameters, you can check the actual downlink parameters to be used as shown below. Here, RX2FQ should be set to 868400000 and RX2DR should be set to 5.**
  )))
  (((
@@ -1973,7 +1973,7 @@
  (((
--(% style="color:blue" %)**If sensor JOINED:**
++(% style="color:blue" %)**If the sensor has JOINED:**
  (% style="background-color:#dcdcdc" %)**AT+CLASS=A**
@@ -1983,7 +1983,7 @@
  = 5. Case Study =
--== 5.1 Counting how many objects pass through the flow Line ==
++== 5.1 Counting how many objects pass through the flow line ==
  See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
@@ -1995,10 +1995,8 @@
  == 6.1 How to update the firmware? ==
--Dragino frequently releases firmware updates for the LT-22222-L.
++Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
--Updating your LT-22222-L with the latest firmware version helps to:
--
  * Support new features
  * Fix bugs
  * Change LoRaWAN frequency bands
@@ -2016,8 +2016,8 @@
  Below is the hardware setup for uploading a firmware image to the LT-22222-L:
++[[image:usb-ttl-programming.png]]
--[[image:1653359603330-121.png]]
  Start the STM32 Flash Loader and choose the correct COM port to update.
@@ -2041,7 +2041,7 @@
  [[image:image-20220524104033-15.png]]
--(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
++(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5 mm cable. The pin mapping is as follows:
  [[image:1653360054704-518.png||height="186" width="745"]]
@@ -2059,18 +2059,18 @@
  (((
--== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
++== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
  )))
  (((
  (((
--In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
++In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
  )))
  )))
  (((
  (((
--Assume you have an LG02 working on the frequency 868400000. Below are the steps.
++We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
  )))
@@ -2077,52 +2077,55 @@
  )))
  (((
--(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
++(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack Sandbox account and create an ABP device in the application. To do this, use the manual registration option as explained in section 3.2.2.2, //Adding a Device Manually//. Select //Activation by Personalization (ABP)// under Activation Mode. Enter the DevEUI exactly as shown on the registration information sticker, then generate the Device Address, Application Session Key (AppSKey), and Network Session Key (NwkSKey).
--
++[[image:lt-22222-l-abp.png||height="686" width="1000"]]
  )))
  (((
--[[image:1653360231087-571.png||height="401" width="727"]]
--
  )))
--(((
--(% 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.**
--)))
++{{warning}}
++Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-L and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-L to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
++{{/warning}}
--
  (((
--(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
++(% style="color:blue" %)**Step 2**(%%)**:  **(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Run AT commands to configure the LT-22222-L to operate in single-frequency and ABP mode. The AT commands are as follows:
  )))
  (((
--(% style="background-color:#dcdcdc" %)**123456** (%%)   :   Enter Password to have AT access.
++(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
--(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)   :   Reset Parameters to Factory Default, Keys Reserve
++(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
--(% 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** (%%) : Disable the Adaptive Data Rate (ADR).
--(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)    :   Set Data Rate (Set AT+DR=3 for 915 band)
++(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
--(% 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 868.4 MHz.
--(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
++(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
--(% style="background-color:#dcdcdc" %)**ATZ**        (%%)                              :  Reset MCU
++(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:700; text-decoration:none; white-space:pre-wrap" %)**AT+APPKEY=xxxx**(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %): Get or set the Application Key (AppKey)
++
++(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+NWKSKEY=xxxx**: Get or set the Network Session Key (NwkSKey)
++
++(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+APPSKEY=xxxx**: Get or set the Application Session Key (AppSKey)
++
++(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
  )))
  (((
--As shown in below:
++(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The following figure shows the screenshot of the command set above, issued using a serial tool:
  )))
  [[image:1653360498588-932.png||height="485" width="726"]]
@@ -2136,7 +2136,7 @@
  == 6.5 Can I see the counting event in the serial output? ==
  (((
--You can run the AT command AT+DEBUG to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
++You can run the AT command **AT+DEBUG** to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
@@ -2154,7 +2154,6 @@
  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
  * After a restart, the status before the power failure will be read from flash.
--
  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
  The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
@@ -2165,7 +2165,7 @@
  == 6.9 Can the LT-22222-L save the RO state? ==
--The firmware version must be at least 1.6.0.
++To enable this feature, the firmware version must be 1.6.0 or higher.
  == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
@@ -2211,7 +2211,7 @@
  )))
--== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
++== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
@@ -2233,15 +2233,14 @@
  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
++= 9. Package information =
--= 9. Packing information =
--
  **Package includes**:
  * 1 x LT-22222-L I/O Controller
  * 1 x LoRa antenna matched to the frequency of the LT-22222-L
  * 1 x bracket for DIN rail mounting
--* 1 x 3.5mm programming cable
++* 1 x 3.5 mm programming cable
  **Dimension and weight**:
@@ -2250,7 +2250,6 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170 g
--
  = 10. Support =
  * (((

lt-22222-l-abp.png

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usb-ttl-programming.png

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Content

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

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Details

Applications

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