Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 137.1 >
edited by Mengting Qiu
on 2024/09/12 08:51
To version < 128.3 >
edited by Xiaoling
on 2023/11/17 08:44
>
Change comment: There is no comment for this version

Summary

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Title
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1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L LoRa IO Controller User Manual
Author
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1 -XWiki.ting
1 +XWiki.Xiaoling
Content
... ... @@ -3,10 +3,6 @@
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -57,64 +57,155 @@
57 57  
58 58  )))
59 59  
60 -== 1.2 Specifications ==
56 +== 1.2  Specifications ==
61 61  
58 +(((
59 +
60 +
62 62  (% style="color:#037691" %)**Hardware System:**
62 +)))
63 63  
64 -* STM32L072xxxx MCU
65 -* SX1276/78 Wireless Chip 
66 -* Power Consumption:
67 -** Idle: 4mA@12v
68 -** 20dB Transmit: 34mA@12v
69 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
64 +* (((
65 +STM32L072xxxx MCU
66 +)))
67 +* (((
68 +SX1276/78 Wireless Chip 
69 +)))
70 +* (((
71 +(((
72 +Power Consumption:
73 +)))
70 70  
75 +* (((
76 +Idle: 4mA@12v
77 +)))
78 +* (((
79 +20dB Transmit: 34mA@12v
80 +)))
81 +)))
82 +
83 +(((
84 +
85 +
71 71  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 +)))
72 72  
73 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
74 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
75 -* 2 x Relay Output (5A@250VAC / 30VDC)
76 -* 2 x 0~~20mA Analog Input (res:0.01mA)
77 -* 2 x 0~~30V Analog Input (res:0.01v)
78 -* Power Input 7~~ 24V DC. 
89 +* (((
90 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 +)))
92 +* (((
93 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 +)))
95 +* (((
96 +2 x Relay Output (5A@250VAC / 30VDC)
97 +)))
98 +* (((
99 +2 x 0~~20mA Analog Input (res:0.01mA)
100 +)))
101 +* (((
102 +2 x 0~~30V Analog Input (res:0.01v)
103 +)))
104 +* (((
105 +Power Input 7~~ 24V DC. 
106 +)))
79 79  
108 +(((
109 +
110 +
80 80  (% style="color:#037691" %)**LoRa Spec:**
112 +)))
81 81  
82 -* Frequency Range:
83 -** Band 1 (HF): 862 ~~ 1020 Mhz
84 -** Band 2 (LF): 410 ~~ 528 Mhz
85 -* 168 dB maximum link budget.
86 -* +20 dBm - 100 mW constant RF output vs.
87 -* +14 dBm high efficiency PA.
88 -* Programmable bit rate up to 300 kbps.
89 -* High sensitivity: down to -148 dBm.
90 -* Bullet-proof front end: IIP3 = -12.5 dBm.
91 -* Excellent blocking immunity.
92 -* Low RX current of 10.3 mA, 200 nA register retention.
93 -* Fully integrated synthesizer with a resolution of 61 Hz.
94 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
95 -* Built-in bit synchronizer for clock recovery.
96 -* Preamble detection.
97 -* 127 dB Dynamic Range RSSI.
98 -* Automatic RF Sense and CAD with ultra-fast AFC.
99 -* Packet engine up to 256 bytes with CRC.
114 +* (((
115 +(((
116 +Frequency Range:
117 +)))
100 100  
119 +* (((
120 +Band 1 (HF): 862 ~~ 1020 Mhz
121 +)))
122 +* (((
123 +Band 2 (LF): 410 ~~ 528 Mhz
124 +)))
125 +)))
126 +* (((
127 +168 dB maximum link budget.
128 +)))
129 +* (((
130 ++20 dBm - 100 mW constant RF output vs.
131 +)))
132 +* (((
133 ++14 dBm high efficiency PA.
134 +)))
135 +* (((
136 +Programmable bit rate up to 300 kbps.
137 +)))
138 +* (((
139 +High sensitivity: down to -148 dBm.
140 +)))
141 +* (((
142 +Bullet-proof front end: IIP3 = -12.5 dBm.
143 +)))
144 +* (((
145 +Excellent blocking immunity.
146 +)))
147 +* (((
148 +Low RX current of 10.3 mA, 200 nA register retention.
149 +)))
150 +* (((
151 +Fully integrated synthesizer with a resolution of 61 Hz.
152 +)))
153 +* (((
154 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 +)))
156 +* (((
157 +Built-in bit synchronizer for clock recovery.
158 +)))
159 +* (((
160 +Preamble detection.
161 +)))
162 +* (((
163 +127 dB Dynamic Range RSSI.
164 +)))
165 +* (((
166 +Automatic RF Sense and CAD with ultra-fast AFC.
167 +)))
168 +* (((
169 +Packet engine up to 256 bytes with CRC.
170 +
171 +
172 +
173 +)))
174 +
101 101  == 1.3 Features ==
102 102  
177 +
103 103  * LoRaWAN Class A & Class C protocol
179 +
104 104  * Optional Customized LoRa Protocol
181 +
105 105  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
106 106  * AT Commands to change parameters
185 +
107 107  * Remote configure parameters via LoRa Downlink
187 +
108 108  * Firmware upgradable via program port
189 +
109 109  * Counting
110 110  
111 -== 1.4 Applications ==
192 +== 1.4  Applications ==
112 112  
194 +
113 113  * Smart Buildings & Home Automation
196 +
114 114  * Logistics and Supply Chain Management
198 +
115 115  * Smart Metering
200 +
116 116  * Smart Agriculture
202 +
117 117  * Smart Cities
204 +
118 118  * Smart Factory
119 119  
120 120  == 1.5 Hardware Variants ==
... ... @@ -121,7 +121,7 @@
121 121  
122 122  
123 123  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
124 -|(% 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**
211 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
125 125  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
126 126  (% style="text-align:center" %)
127 127  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -136,10 +136,17 @@
136 136  
137 137  = 2. Power ON Device =
138 138  
226 +
227 +(((
139 139  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
229 +)))
140 140  
231 +(((
141 141  PWR will on when device is properly powered.
142 142  
234 +
235 +)))
236 +
143 143  [[image:1653297104069-180.png]]
144 144  
145 145  
... ... @@ -231,7 +231,7 @@
231 231  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
232 232  
233 233  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
234 -|(% 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**
328 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
235 235  |Value|(((
236 236  AVI1 voltage
237 237  )))|(((
... ... @@ -303,7 +303,7 @@
303 303  Total : 11 bytes payload
304 304  
305 305  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
306 -|(% 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**
400 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
307 307  |Value|COUNT1|COUNT2 |DIDORO*|(((
308 308  Reserve
309 309  )))|MOD
... ... @@ -370,7 +370,7 @@
370 370  **LT22222-L**: This mode the DI1 is used as a counting pin.
371 371  
372 372  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
373 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% 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**
467 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
374 374  |Value|COUNT1|(((
375 375  ACI1 Current
376 376  )))|(((
... ... @@ -423,7 +423,7 @@
423 423  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
424 424  
425 425  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
426 -|(% 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**
520 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
427 427  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
428 428  Reserve
429 429  )))|MOD
... ... @@ -483,7 +483,7 @@
483 483  **LT22222-L**: This mode the DI1 is used as a counting pin.
484 484  
485 485  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
486 -|(% 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**
580 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
487 487  |Value|(((
488 488  AVI1 voltage
489 489  )))|(((
... ... @@ -619,7 +619,7 @@
619 619  MOD6 Payload : total 11 bytes payload
620 620  
621 621  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
622 -|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
716 +|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
623 623  |Value|(((
624 624  TRI_A FLAG
625 625  )))|(((
... ... @@ -947,7 +947,7 @@
947 947  01: Low,  00: High ,  11: No action
948 948  
949 949  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
950 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1044 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
951 951  |02  01  00  11|Low|High|No Action
952 952  |02  00  11  01|High|No Action|Low
953 953  |02  11  01  00|No Action|Low|High
... ... @@ -990,7 +990,7 @@
990 990  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
991 991  
992 992  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
993 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1087 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
994 994  |0x01|DO1 set to low
995 995  |0x00|DO1 set to high
996 996  |0x11|DO1 NO Action
... ... @@ -998,7 +998,7 @@
998 998  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
999 999  
1000 1000  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1001 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1095 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1002 1002  |0x01|DO2 set to low
1003 1003  |0x00|DO2 set to high
1004 1004  |0x11|DO2 NO Action
... ... @@ -1006,7 +1006,7 @@
1006 1006  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1007 1007  
1008 1008  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1009 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1103 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1010 1010  |0x01|DO3 set to low
1011 1011  |0x00|DO3 set to high
1012 1012  |0x11|DO3 NO Action
... ... @@ -1061,10 +1061,10 @@
1061 1061  )))
1062 1062  
1063 1063  (((
1064 -00: Close ,  01: Open , 11: No action
1158 +01: Close ,  00: Open , 11: No action
1065 1065  
1066 1066  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1067 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1161 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1068 1068  |03  00  11|Open|No Action
1069 1069  |03  01  11|Close|No Action
1070 1070  |03  11  00|No Action|Open
... ... @@ -1487,11 +1487,7 @@
1487 1487  
1488 1488  [[image:image-20230616235145-1.png]]
1489 1489  
1490 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1491 1491  
1492 -[[image:image-20240219115718-1.png]]
1493 -
1494 -
1495 1495  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1496 1496  
1497 1497  
... ... @@ -1566,9 +1566,12 @@
1566 1566  == 3.7 LEDs Indicators ==
1567 1567  
1568 1568  
1569 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1570 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1659 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1660 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1571 1571  |**PWR**|Always on if there is power
1662 +|**SYS**|(((
1663 +After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1664 +)))
1572 1572  |**TX**|(((
1573 1573  (((
1574 1574  Device boot: TX blinks 5 times.
... ... @@ -1583,16 +1583,20 @@
1583 1583  )))
1584 1584  )))
1585 1585  |**RX**|RX blinks once when receive a packet.
1586 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1587 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1588 -|**DI1**|(((
1589 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1679 +|**DO1**|
1680 +|**DO2**|
1681 +|**DO3**|
1682 +|**DI2**|(((
1683 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1590 1590  )))
1591 1591  |**DI2**|(((
1592 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1686 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1593 1593  )))
1594 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1595 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1688 +|**DI2**|(((
1689 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1690 +)))
1691 +|**RO1**|
1692 +|**RO2**|
1596 1596  
1597 1597  = 4. Use AT Command =
1598 1598  
... ... @@ -1603,6 +1603,10 @@
1603 1603  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1604 1604  )))
1605 1605  
1703 +(((
1704 +
1705 +)))
1706 +
1606 1606  [[image:1653358238933-385.png]]
1607 1607  
1608 1608  
... ... @@ -2173,11 +2173,11 @@
2173 2173  )))
2174 2174  
2175 2175  
2176 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2277 +== 7.4  Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2177 2177  
2178 2178  
2179 2179  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2180 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2281 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="3.4.2.23Resetsthedownlinkpacketcount"]]
2181 2181  
2182 2182  
2183 2183  = 8. Order Info =
... ... @@ -2233,3 +2233,5 @@
2233 2233  * 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]]
2234 2234  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2235 2235  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2337 +
2338 +
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1 -XWiki.Edwin
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