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... ... @@ -1,1 +1,1 @@ 1 -DDS 45-NB -- NB-IoTDistanceDetectionSensor User Manual1 +DDS20-NB -- NB-IoT Ultrasonic Liquid Level Sensor User Manual - Content
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... ... @@ -1,14 +1,7 @@ 1 1 (% style="text-align:center" %) 2 -[[image:image-20230912 085600-1.png||height="519" width="731"]]2 +[[image:image-20230911134259-1.png||height="570" width="570"]] 3 3 4 4 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 12 **Table of Contents:** 13 13 14 14 {{toc/}} ... ... @@ -20,33 +20,36 @@ 20 20 21 21 = 1. Introduction = 22 22 23 -== 1.1 What is DDS 45-NB NB-IoTDistanceDetectionSensor ==16 +== 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor == 24 24 25 25 26 -The Dragino DDS 45-NB is a(% style="color:blue" %)**DistanceDetectionSensor**(%%)for Internet of Things solution. Itisused to measure the distance betweenthesensor and a flatobject. The distance detectionsensor is amoduleat uses (% style="color:blue"%)**ultrasonicsensing technology**(%%) for distancemeasurement,and (% style="color:blue" %)**temperature compensation**(%%) is performedinternallytoimprove the reliability ofdata. The DDS45-NB canbeappliedto scenarios such as horizontal distancemeasurement,liquid level measurement, parking management system,objectproximity andpresence detection, intelligenttrash canmanagementsystem, robot obstacle avoidance, automatic control,sewer,bottomwaterlevelmonitoring, etc.19 +The Dragino DDS20-NB is a **NB-IoT Ultrasonic liquid level sensor** for Internet of Things solution. It uses **none-contact method **to measure the **height of liquid** in a container without opening the container, and send IoT platform via NB-IoT network. 27 27 28 - Itdetectsthedistance(%style="color:blue"%)**betweenthemeasured object andthe sensor**(%%), andand sendIoT platformviaNB-IoT network.21 +The DDS20-NB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The none-contact measurement makes the measurement safety, easier and possible for some strict situation. 29 29 30 -DDS 45-NBsupportsdifferentuplinkmethodscluding(%style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%)for differentapplicationrequirement,and support uplinks to variousIoTServers.23 +DDS20-NB uses **ultrasonic sensing technology** for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: **toxic substances**, **strong acids**, **strong alkalis** and **various pure liquids** in high-temperature and high-pressure airtight containers. 31 31 32 - DDS45-NB(%style="color:blue" %)**supportsBLE configure**(%%)and(% style="color:blue" %)**OTAupdate**(%%)whichmakeusereasyto use.25 +PS-NB-NA supports different uplink methods including **MQTT, MQTTs, UDP & TCP** for different application requirement, and support uplinks to various IoT Servers. 33 33 34 - DDS45-NBisweredby (%style="color:blue"%)**8500mAhLi-SOCI2 battery**(%%),itis designed forlong-term useupto severa years.27 +PS-NB-NA **supports BLE configure **and** OTA update** which make user easy to use. 35 35 36 - DDS45-NBhasoptionalbuilt-inSIMcard and defaultIoT serverconnectionversion. Which makesit workswithsimpleconfiguration.29 +PS-NB-NA is powered by **8500mAh Li-SOCI2 battery**, it is designed for long-term use up to severa years. 37 37 38 - [[image:image-20230912102813-2.png||height="320"width="923"]]31 +PS-NB-NA has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration. 39 39 40 40 34 +[[image:image-20230911140426-2.png||height="320" width="951"]] 35 + 36 + 41 41 == 1.2 Features == 42 42 43 43 44 44 * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD 45 45 * Ultra-low power consumption 46 -* DistanceDetection by Ultrasonic technology47 -* Flatobjectrange30mm-4500mm48 -* Accuracy:±(1cm+S*0.3%)(S: Distance)49 -* Measure Angle: 60°42 +* Liquid Level Measurement by Ultrasonic technology 43 +* Measure through container, No need to contact Liquid 44 +* Valid level range 20mm - 2000mm 45 +* Accuracy: ±(5mm+S*0.5%) (S: Measure Value) 50 50 * Multiply Sampling and one uplink 51 51 * Support Bluetooth v5.1 remote configure and update firmware 52 52 * Uplink on periodically ... ... @@ -196,7 +196,7 @@ 196 196 Reset DDS20-NB and see if the BLUE LED is slowly blinking. 197 197 ))) 198 198 199 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230809172509-1.png?rev=1.1||alt="image-20230809172509-1.png"]]195 +[[image:image-20230809172509-1.png]] 200 200 201 201 ((( 202 202 (% style="color:red" %)**Note :**(% style="color:red; display:none" %)** ** ... ... @@ -299,40 +299,23 @@ 299 299 (% style="display:none" %) 300 300 301 301 302 -= =1.12Mechanical==298 += 2. Use S31-NB to communicate with IoT Server = 303 303 304 - 305 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143884058-338.png?rev=1.1||alt="1675143884058-338.png"]] 306 - 307 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143899218-599.png?rev=1.1||alt="1675143899218-599.png"]] 308 - 309 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143909447-639.png?rev=1.1||alt="1675143909447-639.png"]] 310 - 311 - 312 -(% style="color:blue" %)**Probe Mechanical:** 313 - 314 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.png"]] 315 - 316 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]] 317 - 318 - 319 -= 2. Use DDS20-NB to communicate with IoT Server = 320 - 321 321 == 2.1 Send data to IoT server via NB-IoT network == 322 322 323 323 324 -The DDS20-NB is equipped with a NB-IoT module, the pre-loaded firmware inDDS20-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined byDDS20-NB.303 +The S31-NB is equipped with a NB-IoT module, the pre-loaded firmware in S31-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined by S31-NB. 325 325 326 326 327 327 Below shows the network structure: 328 328 329 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS45-NB_NB-IoT_Distance_Detection_Sensor_User_Manual/WebHome/image-20230912102813-2.png?width=923&height=320&rev=1.1||alt="image-20230912102813-2.png"]]308 +[[image:1692415924540-357.png]] 330 330 331 331 332 -There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS45-NB.311 +There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of S31-NB. 333 333 334 334 335 -(% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set DDS20-NB send data to IoT server.314 +(% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set S31-NB send data to IoT server. 336 336 337 337 * Install NB-IoT SIM card and configure APN. See instruction of [[Attach Network>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.AttachNetwork]]. 338 338 ... ... @@ -362,13 +362,13 @@ 362 362 [[image:image-20230819113244-11.png||height="141" width="367"]] 363 363 )))|(% style="width:170px" %) 364 364 365 -(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate DDS20-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]].344 +(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate S31-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]]. 366 366 367 367 368 368 == 2.2 Payload Types == 369 369 370 370 371 -To meet different server requirement, DDS20-NB supports different payload type.350 +To meet different server requirement, S31-NB supports different payload type. 372 372 373 373 **Includes:** 374 374 ... ... @@ -394,7 +394,7 @@ 394 394 395 395 This is the General Json Format. As below: 396 396 397 -(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model": DDS20-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}**376 +(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":S31x-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}** 398 398 399 399 400 400 (% style="color:red" %)**Notice, from above payload:** ... ... @@ -417,7 +417,7 @@ 417 417 418 418 These bytes include the hardware and software version. 419 419 420 -(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for DDS20-NB399 +(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for S31B-NB & S31-NB 421 421 422 422 (% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 100 423 423 ... ... @@ -444,6 +444,20 @@ 444 444 **99** Not known or not detectable 445 445 446 446 426 +(% style="color:blue" %)**Temperature: ** 427 + 428 +If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree 429 + 430 +If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 431 + 432 +(FF3F & 8000: Judge whether the highest bit is 1, when the highest bit is 1, it is negative) 433 + 434 + 435 +(% style="color:blue" %)**Humidity: ** 436 + 437 +Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 438 + 439 + 447 447 (% style="color:blue" %)**TimeStamp: ** 448 448 449 449 Unit TimeStamp Example: 64d49439(H) = 1691653177(D) ... ... @@ -471,123 +471,60 @@ 471 471 (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28** 472 472 473 473 474 -== 2.3 UplinkPayload ==467 +== 2.3 Test Uplink and Change Update Interval == 475 475 476 476 477 -((( 478 -DDS20-NB will uplink payload via LoRaWAN with below payload format: 479 -))) 470 +By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8 480 480 481 -((( 482 -Uplink payload includes in total 8 bytes. 483 -))) 472 +User can use below commands to change the (% style="color:blue" %)**uplink interval**. 484 484 485 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %) 486 -|=(% style="width: 95px; background-color:#4F81BD;color:white" %)Size(bytes)|=(% style="width: 61px; 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" %)2|=(% style="background-color:#4F81BD;color:white" %)1 487 -|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 488 -[[Distance>>||anchor="H2.3.2A0Distance"]] 489 -(unit: mm) 490 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|((( 491 -[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]] 492 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]] 474 +(% style="color:#037691" %)**AT+TDC=600 ** (%%) ~/~/ Set Update Interval to 600s 493 493 494 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE_20230702135733.png?width=964&height=215&rev=1.1||alt="微信截图_20230702135733.png"]]476 +User can also push the button for more than 1 seconds to activate an uplink. 495 495 496 496 497 -== =2.3.1BatteryInfo===479 +== 2.4 Multi-Samplings and One uplink == 498 498 499 499 500 - Checkthebattery voltageforDDS20-NB.482 +To save battery life, S31-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by: 501 501 502 - Ex1: 0x0B45=2885mV484 +* (% style="color:#037691" %)**AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds) 503 503 504 - Ex2:0x0B49 =2889mV486 +* (% style="color:#037691" %)**AT+NOUD=8** (%%)~/~/ The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded. 505 505 488 +The diagram below explains the relationship between TR, NOUD, and TDC more clearly: 506 506 507 - ===2.3.2 Distance ===490 +[[image:1692424376354-959.png]] 508 508 509 509 510 -((( 511 -Get the distance. Flat object range 20mm - 2000mm. 512 -))) 493 +== 2.5 Humidity and Temperature alarm function == 513 513 514 -((( 515 -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" %)** ** 516 516 517 -(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.** 518 -))) 496 +On each sampling define by AT+TR ( default 900s or 15 minutes), when the value exceed the range, it will trigger an Alarm and immediately sends a uplink. 519 519 520 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor. 521 521 522 - *Ifthesensorvaluelower than 0x0014 (20mm),the sensor value will be invalid.499 +(% style="color:blue" %)**AT Commands:** 523 523 524 - ===2.3.3 InterruptPin===501 +(% style="color:#037691" %)**AT+ SHHUM=min,max** 525 525 503 +Example: AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50 or higher than 80. 526 526 527 -This data field shows if this packet is generated by interrupt or not. 528 528 529 -**E xample:**506 +(% style="color:#037691" %)**AT+ SHTEMP=min,max** 530 530 531 - 0x00:Normaluplinkpacket.508 +Example: AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20 or higher than 30 532 532 533 -0x01: Interrupt Uplink Packet. 534 534 511 +(% style="color:red" %)**Notice:** 535 535 536 - ===2.3.4 DS18B20Temperature sensor ===513 +* To disable Alarm, user can set min and max to same value , such as (% style="color:#037691" %)**AT+SHTEMP=0,0.** 537 537 515 +* If user only want to send only min or max, user can set the alarm to a value that device won’t reach. For example: (% style="color:#037691" %)**AT+SHTEMP=-80,0.** 538 538 539 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature. 540 - 541 -**Example**: 542 - 543 -If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree 544 - 545 -If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 546 - 547 - 548 -=== 2.3.5 Sensor Flag === 549 - 550 - 551 -((( 552 -0x01: Detect Ultrasonic Sensor 553 -))) 554 - 555 -((( 556 -0x00: No Ultrasonic Sensor 557 - 558 - 559 -))) 560 - 561 -== 2.4 Test Uplink and Change Update Interval == 562 - 563 - 564 -By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8 565 - 566 -User can use below commands to change the (% style="color:blue" %)**uplink interval**. 567 - 568 -(% style="color:#037691" %)**AT+TDC=600 ** (%%) ~/~/ Set Update Interval to 600s 569 - 570 -User can also push the button for more than 1 seconds to activate an uplink. 571 - 572 - 573 -== 2.5 Multi-Samplings and One uplink == 574 - 575 - 576 -To save battery life, DDS20-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by: 577 - 578 -* (% style="color:#037691" %)**AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds) 579 - 580 -* (% style="color:#037691" %)**AT+NOUD=8** (%%)~/~/ The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded. 581 - 582 -The diagram below explains the relationship between TR, NOUD, and TDC more clearly: 583 - 584 -[[image:1692424376354-959.png]] 585 - 586 - 587 587 == 2.6 Trggier an uplink by external interrupt == 588 588 589 589 590 - DDS20-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.520 +S31-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets. 591 591 592 592 (% style="color:blue" %)**AT command:** 593 593 ... ... @@ -601,12 +601,12 @@ 601 601 602 602 * (% style="color:#037691" %)**AT+INTMOD=3 **(%%) ~/~/ Trigger by rising edge 603 603 604 -= 3. Configure DDS20-NB =534 += 3. Configure S31x-NB = 605 605 606 606 == 3.1 Configure Methods == 607 607 608 608 609 - DDS20-NB supports below configure method:539 +S31x-NB supports below configure method: 610 610 611 611 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]. 612 612 ... ... @@ -695,7 +695,7 @@ 695 695 = 4. Battery & Power Consumption = 696 696 697 697 698 - DDS20-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.628 +S31x-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 699 699 700 700 [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 701 701 ... ... @@ -709,7 +709,7 @@ 709 709 710 710 * Fix bugs. 711 711 712 -Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/ nyzeu0lf0amcaek/AAC6UZrqyTcAyJgXOH7l9F9Ka?dl=0]]**642 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fhb3uyl4gt6clru/AAAiZVTFcxrfE1JOOyfcgO9ha?dl=0]]** 713 713 714 714 Methods to Update Firmware: 715 715 ... ... @@ -727,24 +727,11 @@ 727 727 [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]] 728 728 729 729 730 -= 7. TroubleShooting=660 += 7. Order Info = 731 731 732 -== 7.1 Why i always see 0x0000 or 0 for the distance value? == 733 733 663 +Part Number: (% style="color:blue" %)**S31-NB-XX / S31B-NB-XX** 734 734 735 -((( 736 -DDS20-NB has a strict [[**installation requirement**>>||anchor="H1.5A0InstallDDS20-NB"]]. Please make sure the installation method exactly follows up with the installation requirement. Otherwise, the reading might be always 0x00. 737 - 738 -If you have followed the instruction requirement exactly but still see the 0x00 reading issue, please. please double-check the decoder, you can check the raw payload to verify. 739 - 740 - 741 -))) 742 - 743 -= 8. Order Info = 744 - 745 - 746 -Part Number: (% style="color:blue" %)**DDS20-NB-XX** 747 - 748 748 (% style="color:red" %)**XX**(%%): 749 749 750 750 * (% style="color:#037691" %)**GE**(%%): General version ( Exclude SIM card) ... ... @@ -754,12 +754,12 @@ 754 754 (% style="color:#037691" %)**1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands 755 755 756 756 757 -= 9. Packing Info =674 += 8. Packing Info = 758 758 759 759 760 760 (% style="color:#037691" %)**Package Includes**: 761 761 762 -* DDS20-NB NB-IoTUltrasonic liquid level sensor x 1679 +* S31-NB or S31-NB NB-IoT Sensor Node x 1 763 763 764 764 * External antenna x 1 765 765 ... ... @@ -773,7 +773,7 @@ 773 773 774 774 * Weight / pcs : 180g 775 775 776 -= 10. Support =693 += 9. Support = 777 777 778 778 779 779 * 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.
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