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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 66.2
edited by Xiaoling
on 2022/05/24 10:48
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To version 66.23
edited by Xiaoling
on 2022/05/24 13:57
Change comment: There is no comment for this version

Summary

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... ... @@ -45,44 +45,114 @@
45 45  
46 46  == 1.2  Specifications ==
47 47  
48 +(((
48 48  **Hardware System:**
50 +)))
49 49  
50 -* STM32L072CZT6 MCU
51 -* SX1276/78 Wireless Chip 
52 -* Power Consumption:
53 -** Idle: 4mA@12v
54 -** 20dB Transmit: 34mA@12v
52 +* (((
53 +STM32L072CZT6 MCU
54 +)))
55 +* (((
56 +SX1276/78 Wireless Chip 
57 +)))
58 +* (((
59 +(((
60 +Power Consumption:
61 +)))
55 55  
63 +* (((
64 +Idle: 4mA@12v
65 +)))
66 +* (((
67 +20dB Transmit: 34mA@12v
68 +)))
69 +)))
70 +
71 +(((
56 56  **Interface for Model: LT22222-L:**
73 +)))
57 57  
58 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60 -* 2 x Relay Output (5A@250VAC / 30VDC)
61 -* 2 x 0~~20mA Analog Input (res:0.01mA)
62 -* 2 x 0~~30V Analog Input (res:0.01v)
63 -* Power Input 7~~ 24V DC. 
75 +* (((
76 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
77 +)))
78 +* (((
79 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
80 +)))
81 +* (((
82 +2 x Relay Output (5A@250VAC / 30VDC)
83 +)))
84 +* (((
85 +2 x 0~~20mA Analog Input (res:0.01mA)
86 +)))
87 +* (((
88 +2 x 0~~30V Analog Input (res:0.01v)
89 +)))
90 +* (((
91 +Power Input 7~~ 24V DC. 
92 +)))
64 64  
94 +(((
65 65  **LoRa Spec:**
96 +)))
66 66  
67 -* Frequency Range:
68 -** Band 1 (HF): 862 ~~ 1020 Mhz
69 -** Band 2 (LF): 410 ~~ 528 Mhz
70 -* 168 dB maximum link budget.
71 -* +20 dBm - 100 mW constant RF output vs.
72 -* +14 dBm high efficiency PA.
73 -* Programmable bit rate up to 300 kbps.
74 -* High sensitivity: down to -148 dBm.
75 -* Bullet-proof front end: IIP3 = -12.5 dBm.
76 -* Excellent blocking immunity.
77 -* Low RX current of 10.3 mA, 200 nA register retention.
78 -* Fully integrated synthesizer with a resolution of 61 Hz.
79 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80 -* Built-in bit synchronizer for clock recovery.
81 -* Preamble detection.
82 -* 127 dB Dynamic Range RSSI.
83 -* Automatic RF Sense and CAD with ultra-fast AFC.
84 -* Packet engine up to 256 bytes with CRC.
98 +* (((
99 +(((
100 +Frequency Range:
101 +)))
85 85  
103 +* (((
104 +Band 1 (HF): 862 ~~ 1020 Mhz
105 +)))
106 +* (((
107 +Band 2 (LF): 410 ~~ 528 Mhz
108 +)))
109 +)))
110 +* (((
111 +168 dB maximum link budget.
112 +)))
113 +* (((
114 ++20 dBm - 100 mW constant RF output vs.
115 +)))
116 +* (((
117 ++14 dBm high efficiency PA.
118 +)))
119 +* (((
120 +Programmable bit rate up to 300 kbps.
121 +)))
122 +* (((
123 +High sensitivity: down to -148 dBm.
124 +)))
125 +* (((
126 +Bullet-proof front end: IIP3 = -12.5 dBm.
127 +)))
128 +* (((
129 +Excellent blocking immunity.
130 +)))
131 +* (((
132 +Low RX current of 10.3 mA, 200 nA register retention.
133 +)))
134 +* (((
135 +Fully integrated synthesizer with a resolution of 61 Hz.
136 +)))
137 +* (((
138 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
139 +)))
140 +* (((
141 +Built-in bit synchronizer for clock recovery.
142 +)))
143 +* (((
144 +Preamble detection.
145 +)))
146 +* (((
147 +127 dB Dynamic Range RSSI.
148 +)))
149 +* (((
150 +Automatic RF Sense and CAD with ultra-fast AFC.
151 +)))
152 +* (((
153 +Packet engine up to 256 bytes with CRC.
154 +)))
155 +
86 86  == 1.3 Features ==
87 87  
88 88  * LoRaWAN Class A & Class C protocol
... ... @@ -129,13 +129,21 @@
129 129  
130 130  == 3.1 How it works? ==
131 131  
202 +(((
132 132  The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
204 +)))
133 133  
134 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
206 +(((
207 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
208 +)))
135 135  
210 +(((
136 136  3.2 Example to join LoRaWAN network
212 +)))
137 137  
214 +(((
138 138  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
216 +)))
139 139  
140 140  [[image:image-20220523172350-1.png||height="266" width="864"]]
141 141  
... ... @@ -235,7 +235,9 @@
235 235  
236 236  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237 237  
316 +(((
238 238  Total : 11 bytes payload
318 +)))
239 239  
240 240  [[image:image-20220523180452-3.png]]
241 241  
... ... @@ -249,53 +249,77 @@
249 249  * FIRST: Indicate this is the first packet after join network.
250 250  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251 251  
332 +(((
252 252  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
334 +)))
253 253  
336 +(((
254 254  **To use counting mode, please run:**
338 +)))
255 255  
256 256  (% class="box infomessage" %)
257 257  (((
342 +(((
258 258  **AT+MOD=2**
259 259  )))
345 +)))
260 260  
261 261  (% class="box infomessage" %)
262 262  (((
349 +(((
263 263  **ATZ**
264 264  )))
352 +)))
265 265  
354 +(((
266 266  (% style="color:#4f81bd" %)**AT Commands for counting:**
356 +)))
267 267  
358 +(((
268 268  **For LT22222-L:**
360 +)))
269 269  
270 270  (% class="box infomessage" %)
271 271  (((
364 +(((
272 272  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273 273  )))
367 +)))
274 274  
275 275  (% class="box infomessage" %)
276 276  (((
371 +(((
277 277  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278 278  )))
374 +)))
279 279  
280 280  (% class="box infomessage" %)
281 281  (((
378 +(((
282 282  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283 283  )))
381 +)))
284 284  
285 285  (% class="box infomessage" %)
286 286  (((
385 +(((
287 287  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 288  )))
388 +)))
289 289  
290 290  (% class="box infomessage" %)
291 291  (((
392 +(((
292 292  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 293  )))
395 +)))
294 294  
295 295  (% class="box infomessage" %)
296 296  (((
399 +(((
297 297  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 298  )))
402 +)))
299 299  
300 300  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
301 301  
... ... @@ -327,7 +327,7 @@
327 327  **ATZ**
328 328  )))
329 329  
330 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
434 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
331 331  
332 332  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
... ... @@ -362,7 +362,7 @@
362 362  )))
363 363  
364 364  
365 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
469 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
366 366  
367 367  **Plus below command for AVI1 Counting:**
368 368  
... ... @@ -414,7 +414,7 @@
414 414  **ATZ**
415 415  )))
416 416  
417 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
521 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
418 418  
419 419  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420 420  
... ... @@ -463,7 +463,7 @@
463 463  
464 464  **Downlink Command to set Trigger Condition**
465 465  
466 -Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
570 +Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
467 467  
468 468  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
469 469  
... ... @@ -483,7 +483,7 @@
483 483  
484 484  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485 485  
486 -Example2: AA 02 01 00
590 +**Example2**: AA 02 01 00
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
... ... @@ -1043,7 +1043,7 @@
1043 1043  
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 -**Step **3: Create an account or log in Mydevices.
1150 +**Step 3**: Create an account or log in Mydevices.
1047 1047  
1048 1048  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1049 1049  
... ... @@ -1053,7 +1053,6 @@
1053 1053  
1054 1054  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1055 1055  
1056 -
1057 1057  [[image:image-20220524094909-1.png||height="335" width="729"]]
1058 1058  
1059 1059  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1064,10 +1064,6 @@
1064 1064  
1065 1065  [[image:image-20220524094909-5.png||height="341" width="734"]]
1066 1066  
1067 -
1068 -
1069 -
1070 -
1071 1071  == 3.6 Interface Detail ==
1072 1072  
1073 1073  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1083,8 +1083,10 @@
1083 1083  )))
1084 1084  
1085 1085  (((
1185 +(((
1086 1086  Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
1087 1087  )))
1188 +)))
1088 1088  
1089 1089  [[image:1653357170703-587.png]]
1090 1090  
... ... @@ -1116,9 +1116,9 @@
1116 1116  
1117 1117  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1118 1118  
1119 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1220 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1120 1120  
1121 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1222 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1122 1122  
1123 1123  
1124 1124  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1130,7 +1130,7 @@
1130 1130  
1131 1131  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1132 1132  
1133 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1234 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1134 1134  
1135 1135  If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1136 1136  
... ... @@ -1554,10 +1554,6 @@
1554 1554  )))
1555 1555  
1556 1556  (((
1557 -
1558 -)))
1559 -
1560 -(((
1561 1561  (% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1562 1562  )))
1563 1563  
... ... @@ -1582,47 +1582,28 @@
1582 1582  
1583 1583  As shown in below:
1584 1584  
1585 -[[image:1653360498588-932.png]]
1682 +[[image:1653360498588-932.png||height="485" width="726"]]
1586 1586  
1684 +== 5.4 Can I see counting event in Serial? ==
1587 1587  
1588 -1. (((
1589 1589  (((
1590 -
1591 -)))
1592 -
1593 -1. (((
1594 -Can I see counting event in Serial?
1595 -)))
1596 -)))
1597 -
1598 -(((
1599 1599  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1600 1600  )))
1601 1601  
1602 1602  (((
1603 -
1691 += 6. Trouble Shooting =
1604 1604  )))
1605 1605  
1606 1606  (((
1607 -
1608 -)))
1609 -
1610 1610  (((
1611 -
1696 +== 6.1 Downlink doesn’t work, how to solve it? ==
1612 1612  )))
1613 -
1614 -1. (((
1615 -(((
1616 -Trouble Shooting    
1617 1617  )))
1618 1618  
1619 -1. (((
1620 -Downlink doesn’t work, how to solve it?
1621 -)))
1622 -)))
1623 -
1624 1624  (((
1625 1625  Please see this link for how to debug:
1702 +
1703 +[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1626 1626  )))
1627 1627  
1628 1628  (((
... ... @@ -1630,14 +1630,9 @@
1630 1630  )))
1631 1631  
1632 1632  (((
1633 -
1711 +== 6.2 Have trouble to upload image. ==
1634 1634  )))
1635 1635  
1636 -1.
1637 -11. (((
1638 -Have trouble to upload image.
1639 -)))
1640 -
1641 1641  (((
1642 1642  See this link for trouble shooting:
1643 1643  )))
... ... @@ -1647,14 +1647,9 @@
1647 1647  )))
1648 1648  
1649 1649  (((
1650 -
1723 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1651 1651  )))
1652 1652  
1653 -1.
1654 -11. (((
1655 -Why I can’t join TTN in US915 /AU915 bands?
1656 -)))
1657 -
1658 1658  (((
1659 1659  It might be about the channels mapping. Please see this link for detail:
1660 1660  )))
... ... @@ -1664,106 +1664,111 @@
1664 1664  )))
1665 1665  
1666 1666  (((
1667 -
1735 += 7. Order Info =
1668 1668  )))
1669 1669  
1670 1670  (((
1671 -
1672 -)))
1673 -
1674 1674  (((
1675 -
1740 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1676 1676  )))
1677 -
1678 -1. (((
1679 -Order Info
1680 1680  )))
1681 1681  
1682 1682  (((
1683 -**For LT-33222-L-XXX or LT-22222-L-XXX:**
1684 -)))
1685 -
1686 1686  (((
1687 -**XXX:**
1746 +(% style="color:#4f81bd" %)**XXX:**
1688 1688  )))
1748 +)))
1689 1689  
1690 1690  * (((
1691 -**EU433**: LT with frequency bands EU433
1751 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1692 1692  )))
1693 1693  * (((
1694 -**EU868**: LT with frequency bands EU868
1754 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1695 1695  )))
1696 1696  * (((
1697 -**KR920**: LT with frequency bands KR920
1757 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1698 1698  )))
1699 1699  * (((
1700 -**CN470**: LT with frequency bands CN470
1760 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1701 1701  )))
1702 1702  * (((
1703 -**AS923**: LT with frequency bands AS923
1763 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1704 1704  )))
1705 1705  * (((
1706 -**AU915**: LT with frequency bands AU915
1766 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1707 1707  )))
1708 1708  * (((
1709 -**US915**: LT with frequency bands US915
1769 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1710 1710  )))
1711 1711  * (((
1712 -**IN865**: LT with frequency bands IN865
1772 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1713 1713  )))
1714 -* (((
1715 -**CN779**: LT with frequency bands CN779
1716 -)))
1717 1717  
1718 -1. (((
1719 -Packing Info
1775 +(((
1776 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1777 +
1778 += 8. Packing Info =
1720 1720  )))
1721 1721  
1722 1722  (((
1782 +(((
1723 1723  **Package Includes**:
1724 1724  )))
1785 +)))
1725 1725  
1726 -* (((
1727 -LT I/O Controller x 1
1787 +(((
1788 +(((
1789 +* LT-22222-L I/O Controller x 1
1790 +* Stick Antenna for LoRa RF part x 1
1791 +* Bracket for controller x1
1792 +* Program cable x 1
1728 1728  )))
1729 -* (((
1730 -Stick Antenna for LoRa RF part x 1
1731 1731  )))
1732 -* (((
1733 -Bracket for controller x1
1734 -)))
1735 -* (((
1736 -Program cable x 1
1737 -)))
1738 1738  
1739 1739  (((
1797 +(((
1740 1740  **Dimension and weight**:
1741 1741  )))
1800 +)))
1742 1742  
1743 -* (((
1744 -Device Size: 13.5 x 7 x 3 cm
1802 +(((
1803 +(((
1804 +* Device Size: 13.5 x 7 x 3 cm
1805 +* Device Weight: 105g
1806 +* Package Size / pcs : 14.5 x 8 x 5 cm
1807 +* Weight / pcs : 170g
1745 1745  )))
1746 -* (((
1747 -Device Weight: 105g
1748 1748  )))
1749 -* (((
1750 -Package Size / pcs : 14.5 x 8 x 5 cm
1751 -)))
1752 -* (((
1753 -Weight / pcs : 170g
1754 -)))
1755 1755  
1756 -1. (((
1757 -Support
1811 +(((
1812 += 9. Support =
1758 1758  )))
1759 1759  
1760 1760  * (((
1816 +(((
1761 1761  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.
1762 1762  )))
1819 +)))
1763 1763  * (((
1821 +(((
1764 1764  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
1765 1765  )))
1824 +)))
1766 1766  
1767 1767  (((
1768 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1827 +(((
1828 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1769 1769  )))
1830 +
1831 +(((
1832 += 10. Reference​​​​​ =
1833 +
1834 +* Product Page:
1835 +
1836 +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]]
1837 +
1838 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1839 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1840 +* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1841 +)))
1842 +)))