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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 169.1
edited by Xiaoling
on 2022/06/15 09:23
Change comment: Uploaded new attachment "image-20220615092327-13.png", version {1}
To version 173.5
edited by Xiaoling
on 2022/06/15 10:15
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -100,7 +100,6 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 -
104 104  == 1.3  Suitable Container & Liquid ==
105 105  
106 106  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -110,7 +110,6 @@
110 110  ** Pure non metal material: <10 mm
111 111  * Pure liquid without irregular deposition.
112 112  
113 -
114 114  == 1.4  Mechanical ==
115 115  
116 116  [[image:image-20220615090910-1.png]]
... ... @@ -131,7 +131,7 @@
131 131  
132 132  
133 133  
134 -(% style="color:blue" %)**Step 2**(%%): Polish the installation point.
132 +(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
135 135  
136 136  For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
137 137  
... ... @@ -140,30 +140,24 @@
140 140  
141 141  No polish needed if the container is shine metal surface without paint or non-metal container.
142 142  
143 -[[image:image-20220615092044-12.png]]
141 +[[image:image-20220615092044-12.png]]
144 144  
145 145  
146 -(% style="color:blue" %)**Step3: **(%%)Test the installation point.
147 147  
145 +(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
146 +
148 148  Power on LDDS75, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
149 149  
150 150  
151 151  It is necessary to put the coupling paste between the sensor and the container, otherwise LDDS20 won’t detect the liquid level.
152 152  
152 +[[image:1655256160324-178.png]][[image:image-20220615092327-13.png]]
153 153  
154 154  
155 -|(((
156 -BLUE LED
157 -)))
158 -
159 -[[image:image-20220615091045-6.png]] [[image:image-20220615091045-7.png]]
160 -
161 -
162 -
163 163  After paste the LDDS20 well, power on LDDS20. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
164 164  
165 165  
166 -(% style="color:blue" %)LED Status:
158 +(% style="color:red" %)**LED Status:**
167 167  
168 168  * Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
169 169  
... ... @@ -172,68 +172,64 @@
172 172  
173 173  LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
174 174  
175 -Note 2:
176 176  
177 -Ultrasonic coupling paste is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
168 +(% style="color:red" %)**Note 2:**
178 178  
170 +(% style="color:red" %)Ultrasonic coupling paste (%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
179 179  
180 -(% style="color:blue" %)**Step4: **(%%)Install use Epoxy ab glue.
181 181  
182 -[[image:image-20220615091045-8.png]]
183 183  
174 +(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
175 +
184 184  Prepare Eproxy AB glue.
185 185  
186 -
187 187  Put Eproxy AB glue in the sensor and press it hard on the container installation point.
188 188  
189 -
190 190  Reset LDDS20 and see if the BLUE LED is slowly blinking.
191 191  
192 -[[image:image-20220615091045-9.png]]
182 +[[image:image-20220615091045-8.png||height="226" width="380"]] [[image:image-20220615091045-9.png||height="239" width="339"]]
193 193  
194 -(% style="color:red" %)Note1:
195 195  
185 +(% style="color:red" %)**Note 1:**
186 +
196 196  Eproxy AB glue needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
197 197  
198 198  
199 -(% style="color:red" %)Note 2:
190 +(% style="color:red" %)**Note 2:**
200 200  
201 -(% style="color:blue" %)Eproxy AB glue(%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
192 +(% style="color:red" %)Eproxy AB glue(%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
202 202  
203 203  
204 204  
196 +== 1.6 ​ Applications ==
205 205  
198 +* Smart liquid control solution.
199 +* Smart liquefied gas solution.
206 206  
201 +== 1.7  Precautions ==
207 207  
208 -== 1.5 ​ Applications ==
203 +* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
204 +* For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
205 +* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
209 209  
210 -* Horizontal distance measurement
211 -* Liquid level measurement
212 -* Parking management system
213 -* Object proximity and presence detection
214 -* Intelligent trash can management system
215 -* Robot obstacle avoidance
216 -* Automatic control
217 -* Sewer
218 -* Bottom water level monitoring
207 +== 1.8  Pin mapping and power on ==
219 219  
220 -== 1.6  Pin mapping and power on ==
221 221  
210 +[[image:1655257026882-201.png]]
222 222  
223 -[[image:1654847583902-256.png]]
224 224  
225 225  
214 += 2.  Configure LDDS20 to connect to LoRaWAN network =
226 226  
227 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
228 228  
229 229  == 2.1  How it works ==
230 230  
231 231  (((
232 -The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
220 +The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS20. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
233 233  )))
234 234  
235 235  (((
236 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
224 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0UsingtheATCommands"]]to set the keys in the LDDS20.
237 237  )))
238 238  
239 239  
... ... @@ -245,7 +245,7 @@
245 245  )))
246 246  
247 247  (((
248 -[[image:1654848616367-242.png]]
236 +[[image:1655257698953-697.png]]
249 249  )))
250 250  
251 251  (((
... ... @@ -255,11 +255,11 @@
255 255  (((
256 256  
257 257  
258 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
246 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
259 259  )))
260 260  
261 261  (((
262 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
250 +Each LDDS20 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
263 263  )))
264 264  
265 265  [[image:image-20220607170145-1.jpeg]]
... ... @@ -289,6 +289,7 @@
289 289  [[image:image-20220610161353-7.png]]
290 290  
291 291  
280 +
292 292  You can also choose to create the device manually.
293 293  
294 294   [[image:image-20220610161538-8.png]]
... ... @@ -301,16 +301,17 @@
301 301  
302 302  
303 303  
304 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
293 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
305 305  
306 306  
307 307  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
308 308  
309 -[[image:image-20220610161724-10.png]]
298 +[[image:image-20220615095102-14.png]]
310 310  
311 311  
301 +
312 312  (((
313 -(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
303 +(% style="color:blue" %)**Step 3**(%%)**:**  The LDDS20 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
314 314  )))
315 315  
316 316  [[image:1654849068701-275.png]]
... ... @@ -321,12 +321,10 @@
321 321  
322 322  (((
323 323  (((
324 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
325 -)))
314 +LDDS20 will uplink payload via LoRaWAN with below payload format: 
326 326  
327 -(((
328 -Uplink payload includes in total 4 bytes.
329 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
316 +Uplink payload includes in total 8 bytes.
317 +Payload for firmware version v1.1.4. . Before v1.1.3, there is only 5 bytes: BAT and Distance(Please check manual v1.2.0 if you have 5 bytes payload).
330 330  )))
331 331  )))
332 332  
... ... @@ -353,7 +353,7 @@
353 353  === 2.3.1  Battery Info ===
354 354  
355 355  
356 -Check the battery voltage for LDDS75.
344 +Check the battery voltage for LDDS20.
357 357  
358 358  Ex1: 0x0B45 = 2885mV
359 359  
... ... @@ -364,20 +364,19 @@
364 364  === 2.3.2  Distance ===
365 365  
366 366  (((
367 -Get the distance. Flat object range 280mm - 7500mm.
355 +Get the distance. Flat object range 20mm - 2000mm.
368 368  )))
369 369  
370 370  (((
371 -For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
359 +For example, if the data you get from the register is __0x06 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0605(H) = 1541 (D) = 1541 mm.**
372 372  )))
373 373  
362 +* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 +* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
374 374  
375 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
376 -* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
377 -
378 378  === 2.3.3  Interrupt Pin ===
379 379  
380 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
367 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
381 381  
382 382  **Example:**
383 383  
... ... @@ -423,533 +423,92 @@
423 423  The payload decoder function for TTN V3 is here:
424 424  
425 425  (((
426 -LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
413 +LDDS20 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS20/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
427 427  )))
428 428  
429 429  
430 430  
431 -== 2.4  Uplink Interval ==
418 +== 2.4  Downlink Payload ==
432 432  
433 -The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
420 +By default, LDDS20 prints the downlink payload to console port.
434 434  
422 +[[image:image-20220615100930-15.png]]
435 435  
436 436  
437 -== 2.5  ​Show Data in DataCake IoT Server ==
425 +**Examples:**
438 438  
439 -(((
440 -[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
441 -)))
442 442  
443 -(((
444 -
445 -)))
428 +* (% style="color:blue" %)**Set TDC**
446 446  
447 -(((
448 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
449 -)))
430 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
450 450  
451 -(((
452 -(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
453 -)))
432 +Payload:    01 00 00 1E    TDC=30S
454 454  
434 +Payload:    01 00 00 3C    TDC=60S
455 455  
456 -[[image:1654592790040-760.png]]
457 457  
437 +* (% style="color:blue" %)**Reset**
458 458  
459 -[[image:1654592800389-571.png]]
439 +If payload = 0x04FF, it will reset the LDDS20
460 460  
461 461  
462 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
442 +* (% style="color:blue" %)**CFM**
463 463  
464 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
444 +Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
465 465  
466 -[[image:1654851029373-510.png]]
467 467  
468 468  
469 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
448 +== 2.5  ​Show Data in DataCake IoT Server ==
470 470  
471 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
472 -
473 -
474 -
475 -== 2.6  Frequency Plans ==
476 -
477 477  (((
478 -The LDDS75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
451 +[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
479 479  )))
480 480  
481 -
482 -
483 -=== 2.6.1  EU863-870 (EU868) ===
484 -
485 485  (((
486 -(% style="color:blue" %)**Uplink:**
487 -)))
488 -
489 -(((
490 -868.1 - SF7BW125 to SF12BW125
491 -)))
492 -
493 -(((
494 -868.3 - SF7BW125 to SF12BW125 and SF7BW250
495 -)))
496 -
497 -(((
498 -868.5 - SF7BW125 to SF12BW125
499 -)))
500 -
501 -(((
502 -867.1 - SF7BW125 to SF12BW125
503 -)))
504 -
505 -(((
506 -867.3 - SF7BW125 to SF12BW125
507 -)))
508 -
509 -(((
510 -867.5 - SF7BW125 to SF12BW125
511 -)))
512 -
513 -(((
514 -867.7 - SF7BW125 to SF12BW125
515 -)))
516 -
517 -(((
518 -867.9 - SF7BW125 to SF12BW125
519 -)))
520 -
521 -(((
522 -868.8 - FSK
523 -)))
524 -
525 -(((
526 526  
527 527  )))
528 528  
529 529  (((
530 -(% style="color:blue" %)**Downlink:**
459 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
531 531  )))
532 532  
533 533  (((
534 -Uplink channels 1-9 (RX1)
463 +(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
535 535  )))
536 536  
537 -(((
538 -869.525 - SF9BW125 (RX2 downlink only)
539 -)))
540 540  
467 +[[image:1654592790040-760.png]]
541 541  
542 542  
543 -=== 2.6.2  US902-928(US915) ===
470 +[[image:1654592800389-571.png]]
544 544  
545 -(((
546 -Used in USA, Canada and South America. Default use CHE=2
547 547  
548 -(% style="color:blue" %)**Uplink:**
473 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
549 549  
550 -903.9 - SF7BW125 to SF10BW125
475 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
551 551  
552 -904.1 - SF7BW125 to SF10BW125
477 +[[image:1654851029373-510.png]]
553 553  
554 -904.3 - SF7BW125 to SF10BW125
555 555  
556 -904.5 - SF7BW125 to SF10BW125
480 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
557 557  
558 -904.7 - SF7BW125 to SF10BW125
482 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
559 559  
560 -904.9 - SF7BW125 to SF10BW125
561 561  
562 -905.1 - SF7BW125 to SF10BW125
563 563  
564 -905.3 - SF7BW125 to SF10BW125
486 +== 2.6  LED Indicator ==
565 565  
488 +The LDDS20 has an internal LED which is to show the status of different state.
566 566  
567 -(% style="color:blue" %)**Downlink:**
568 568  
569 -923.3 - SF7BW500 to SF12BW500
570 -
571 -923.9 - SF7BW500 to SF12BW500
572 -
573 -924.5 - SF7BW500 to SF12BW500
574 -
575 -925.1 - SF7BW500 to SF12BW500
576 -
577 -925.7 - SF7BW500 to SF12BW500
578 -
579 -926.3 - SF7BW500 to SF12BW500
580 -
581 -926.9 - SF7BW500 to SF12BW500
582 -
583 -927.5 - SF7BW500 to SF12BW500
584 -
585 -923.3 - SF12BW500(RX2 downlink only)
586 -
587 -
588 -
589 -)))
590 -
591 -=== 2.6.3  CN470-510 (CN470) ===
592 -
593 -(((
594 -Used in China, Default use CHE=1
595 -)))
596 -
597 -(((
598 -(% style="color:blue" %)**Uplink:**
599 -)))
600 -
601 -(((
602 -486.3 - SF7BW125 to SF12BW125
603 -)))
604 -
605 -(((
606 -486.5 - SF7BW125 to SF12BW125
607 -)))
608 -
609 -(((
610 -486.7 - SF7BW125 to SF12BW125
611 -)))
612 -
613 -(((
614 -486.9 - SF7BW125 to SF12BW125
615 -)))
616 -
617 -(((
618 -487.1 - SF7BW125 to SF12BW125
619 -)))
620 -
621 -(((
622 -487.3 - SF7BW125 to SF12BW125
623 -)))
624 -
625 -(((
626 -487.5 - SF7BW125 to SF12BW125
627 -)))
628 -
629 -(((
630 -487.7 - SF7BW125 to SF12BW125
631 -)))
632 -
633 -(((
634 -
635 -)))
636 -
637 -(((
638 -(% style="color:blue" %)**Downlink:**
639 -)))
640 -
641 -(((
642 -506.7 - SF7BW125 to SF12BW125
643 -)))
644 -
645 -(((
646 -506.9 - SF7BW125 to SF12BW125
647 -)))
648 -
649 -(((
650 -507.1 - SF7BW125 to SF12BW125
651 -)))
652 -
653 -(((
654 -507.3 - SF7BW125 to SF12BW125
655 -)))
656 -
657 -(((
658 -507.5 - SF7BW125 to SF12BW125
659 -)))
660 -
661 -(((
662 -507.7 - SF7BW125 to SF12BW125
663 -)))
664 -
665 -(((
666 -507.9 - SF7BW125 to SF12BW125
667 -)))
668 -
669 -(((
670 -508.1 - SF7BW125 to SF12BW125
671 -)))
672 -
673 -(((
674 -505.3 - SF12BW125 (RX2 downlink only)
675 -)))
676 -
677 -
678 -
679 -=== 2.6.4  AU915-928(AU915) ===
680 -
681 -(((
682 -Default use CHE=2
683 -
684 -(% style="color:blue" %)**Uplink:**
685 -
686 -916.8 - SF7BW125 to SF12BW125
687 -
688 -917.0 - SF7BW125 to SF12BW125
689 -
690 -917.2 - SF7BW125 to SF12BW125
691 -
692 -917.4 - SF7BW125 to SF12BW125
693 -
694 -917.6 - SF7BW125 to SF12BW125
695 -
696 -917.8 - SF7BW125 to SF12BW125
697 -
698 -918.0 - SF7BW125 to SF12BW125
699 -
700 -918.2 - SF7BW125 to SF12BW125
701 -
702 -
703 -(% style="color:blue" %)**Downlink:**
704 -
705 -923.3 - SF7BW500 to SF12BW500
706 -
707 -923.9 - SF7BW500 to SF12BW500
708 -
709 -924.5 - SF7BW500 to SF12BW500
710 -
711 -925.1 - SF7BW500 to SF12BW500
712 -
713 -925.7 - SF7BW500 to SF12BW500
714 -
715 -926.3 - SF7BW500 to SF12BW500
716 -
717 -926.9 - SF7BW500 to SF12BW500
718 -
719 -927.5 - SF7BW500 to SF12BW500
720 -
721 -923.3 - SF12BW500(RX2 downlink only)
722 -
723 -
724 -
725 -)))
726 -
727 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
728 -
729 -(((
730 -(% style="color:blue" %)**Default Uplink channel:**
731 -)))
732 -
733 -(((
734 -923.2 - SF7BW125 to SF10BW125
735 -)))
736 -
737 -(((
738 -923.4 - SF7BW125 to SF10BW125
739 -)))
740 -
741 -(((
742 -
743 -)))
744 -
745 -(((
746 -(% style="color:blue" %)**Additional Uplink Channel**:
747 -)))
748 -
749 -(((
750 -(OTAA mode, channel added by JoinAccept message)
751 -)))
752 -
753 -(((
754 -
755 -)))
756 -
757 -(((
758 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
759 -)))
760 -
761 -(((
762 -922.2 - SF7BW125 to SF10BW125
763 -)))
764 -
765 -(((
766 -922.4 - SF7BW125 to SF10BW125
767 -)))
768 -
769 -(((
770 -922.6 - SF7BW125 to SF10BW125
771 -)))
772 -
773 -(((
774 -922.8 - SF7BW125 to SF10BW125
775 -)))
776 -
777 -(((
778 -923.0 - SF7BW125 to SF10BW125
779 -)))
780 -
781 -(((
782 -922.0 - SF7BW125 to SF10BW125
783 -)))
784 -
785 -(((
786 -
787 -)))
788 -
789 -(((
790 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
791 -)))
792 -
793 -(((
794 -923.6 - SF7BW125 to SF10BW125
795 -)))
796 -
797 -(((
798 -923.8 - SF7BW125 to SF10BW125
799 -)))
800 -
801 -(((
802 -924.0 - SF7BW125 to SF10BW125
803 -)))
804 -
805 -(((
806 -924.2 - SF7BW125 to SF10BW125
807 -)))
808 -
809 -(((
810 -924.4 - SF7BW125 to SF10BW125
811 -)))
812 -
813 -(((
814 -924.6 - SF7BW125 to SF10BW125
815 -)))
816 -
817 -(((
818 -
819 -)))
820 -
821 -(((
822 -(% style="color:blue" %)**Downlink:**
823 -)))
824 -
825 -(((
826 -Uplink channels 1-8 (RX1)
827 -)))
828 -
829 -(((
830 -923.2 - SF10BW125 (RX2)
831 -)))
832 -
833 -
834 -
835 -=== 2.6.6  KR920-923 (KR920) ===
836 -
837 -(((
838 -(% style="color:blue" %)**Default channel:**
839 -)))
840 -
841 -(((
842 -922.1 - SF7BW125 to SF12BW125
843 -)))
844 -
845 -(((
846 -922.3 - SF7BW125 to SF12BW125
847 -)))
848 -
849 -(((
850 -922.5 - SF7BW125 to SF12BW125
851 -)))
852 -
853 -(((
854 -
855 -)))
856 -
857 -(((
858 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
859 -)))
860 -
861 -(((
862 -922.1 - SF7BW125 to SF12BW125
863 -)))
864 -
865 -(((
866 -922.3 - SF7BW125 to SF12BW125
867 -)))
868 -
869 -(((
870 -922.5 - SF7BW125 to SF12BW125
871 -)))
872 -
873 -(((
874 -922.7 - SF7BW125 to SF12BW125
875 -)))
876 -
877 -(((
878 -922.9 - SF7BW125 to SF12BW125
879 -)))
880 -
881 -(((
882 -923.1 - SF7BW125 to SF12BW125
883 -)))
884 -
885 -(((
886 -923.3 - SF7BW125 to SF12BW125
887 -)))
888 -
889 -(((
890 -
891 -)))
892 -
893 -(((
894 -(% style="color:blue" %)**Downlink:**
895 -)))
896 -
897 -(((
898 -Uplink channels 1-7(RX1)
899 -)))
900 -
901 -(((
902 -921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
903 -)))
904 -
905 -
906 -
907 -=== 2.6.7  IN865-867 (IN865) ===
908 -
909 -(((
910 -(% style="color:blue" %)**Uplink:**
911 -)))
912 -
913 -(((
914 -865.0625 - SF7BW125 to SF12BW125
915 -)))
916 -
917 -(((
918 -865.4025 - SF7BW125 to SF12BW125
919 -)))
920 -
921 -(((
922 -865.9850 - SF7BW125 to SF12BW125
923 -)))
924 -
925 -(((
926 -
927 -)))
928 -
929 -(((
930 -(% style="color:blue" %)**Downlink:**
931 -)))
932 -
933 -(((
934 -Uplink channels 1-3 (RX1)
935 -)))
936 -
937 -(((
938 -866.550 - SF10BW125 (RX2)
939 -)))
940 -
941 -
942 -
943 -== 2.7  LED Indicator ==
944 -
945 -The LDDS75 has an internal LED which is to show the status of different state.
946 -
947 -
948 948  * Blink once when device power on.
949 949  * The device detects the sensor and flashes 5 times.
950 950  * Solid ON for 5 seconds once device successful Join the network.
951 -* Blink once when device transmit a packet.
952 952  
495 +Blink once when device transmit a packet.
496 +
497 +
498 +
953 953  == 2.8  ​Firmware Change Log ==
954 954  
955 955  
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