Changes for page NDDS75 -- NB-IoT Distance Detect Sensor User Manual
Last modified by Bei Jinggeng on 2024/05/31 09:53
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... ... @@ -7,6 +7,7 @@ 7 7 8 8 **Table of Contents:** 9 9 10 +{{toc/}} 10 10 11 11 12 12 ... ... @@ -21,20 +21,34 @@ 21 21 22 22 23 23 ((( 25 +((( 24 24 The Dragino NDDS75 is a (% style="color:blue" %)**NB-IoT Distance Detection Sensor**(%%) for Internet of Things solution. It is designed to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses ultrasonic sensing technology for distance measurement, and temperature compensation is performed internally to improve the reliability of data. 25 -\\The NDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. It detects the distance between the measured object and the sensor, and uploads the value via wireless to IoT Server via NB-IoT Network. 26 -\\NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage. 27 -\\NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement. 28 -\\NDDS75 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method) 29 -\\To use NDDS75, user needs to check if there is NB-IoT coverage in local area and with the bands NDDS75 supports. If the local operate support it, user needs to get a NB-IoT SIM card from local operator and install NDDS75 to get NB-IoT network connection. 30 30 ))) 31 31 32 - 29 +((( 30 +The NDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. It detects the distance between the measured object and the sensor, and uploads the value via wireless to IoT Server via NB-IoT Network. 33 33 ))) 34 34 35 -[[image:1654503236291-817.png]] 33 +((( 34 +NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage. 35 +))) 36 36 37 +((( 38 +NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement. 39 +))) 37 37 41 +((( 42 +NDDS75 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method) 43 +))) 44 + 45 +((( 46 +To use NDDS75, user needs to check if there is NB-IoT coverage in local area and with the bands NDDS75 supports. If the local operate support it, user needs to get a NB-IoT SIM card from local operator and install NDDS75 to get NB-IoT network connection. 47 +))) 48 +))) 49 + 50 + 51 +))) 52 + 38 38 [[image:1657327959271-447.png]] 39 39 40 40 ... ... @@ -56,6 +56,7 @@ 56 56 * 8500mAh Battery for long term use 57 57 58 58 74 + 59 59 == 1.3 Specification == 60 60 61 61 ... ... @@ -84,12 +84,13 @@ 84 84 (% style="color:#037691" %)**Power Consumption** 85 85 86 86 * STOP Mode: 10uA @ 3.3v 87 -* Max transmit power: [[350mA@3.3v>>mailto:350mA@3.3v]]103 +* Max transmit power: 350mA@3.3v 88 88 89 89 90 90 91 91 == 1.4 Applications == 92 92 109 + 93 93 * Smart Buildings & Home Automation 94 94 * Logistics and Supply Chain Management 95 95 * Smart Metering ... ... @@ -101,7 +101,6 @@ 101 101 102 102 103 103 104 - 105 105 == 1.5 Pin Definitions == 106 106 107 107 ... ... @@ -113,6 +113,7 @@ 113 113 114 114 == 2.1 How it works == 115 115 132 + 116 116 ((( 117 117 The NDDS75 is equipped with a NB-IoT module, the pre-loaded firmware in NDDS75 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 NDDS75. 118 118 ))) ... ... @@ -138,16 +138,17 @@ 138 138 139 139 === 2.2.1 Test Requirement === 140 140 158 + 141 141 ((( 142 142 To use NDDS75 in your city, make sure meet below requirements: 143 143 ))) 144 144 145 145 * Your local operator has already distributed a NB-IoT Network there. 146 -* The local NB-IoT network used the band that NS E01supports.164 +* The local NB-IoT network used the band that NDDS75 supports. 147 147 * Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 148 148 149 149 ((( 150 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server 168 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server. 151 151 ))) 152 152 153 153 ... ... @@ -157,6 +157,7 @@ 157 157 158 158 === 2.2.2 Insert SIM card === 159 159 178 + 160 160 ((( 161 161 Insert the NB-IoT Card get from your provider. 162 162 ))) ... ... @@ -172,6 +172,7 @@ 172 172 173 173 === 2.2.3 Connect USB – TTL to NDDS75 to configure it === 174 174 194 + 175 175 ((( 176 176 ((( 177 177 User need to configure NDDS75 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NDDS75 support AT Commands, user can use a USB to TTL adapter to connect to NDDS75 and use AT Commands to configure it, as below. ... ... @@ -211,21 +211,34 @@ 211 211 212 212 === 2.2.4 Use CoAP protocol to uplink data === 213 213 214 -(% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]] 215 215 235 +(% style="color:red" %)**Note: if you don't have CoAP server, you can refer this link to set up one: **(%%)**[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]** 216 216 237 + 238 +((( 217 217 **Use below commands:** 240 +))) 218 218 219 -* (% style="color:blue" %)**AT+PRO=1** (%%) ~/~/ Set to use CoAP protocol to uplink 220 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683 ** (%%)~/~/ to set CoAP server address and port 221 -* (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path 242 +* ((( 243 +(% style="color:blue" %)**AT+PRO=1** (%%) ~/~/ Set to use CoAP protocol to uplink 244 +))) 245 +* ((( 246 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683 ** (%%)~/~/ to set CoAP server address and port 247 +))) 248 +* ((( 249 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path 250 +))) 222 222 252 +((( 223 223 For parameter description, please refer to AT command set 254 +))) 224 224 225 225 [[image:1657330452568-615.png]] 226 226 227 227 259 +((( 228 228 After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server. 261 +))) 229 229 230 230 [[image:1657330472797-498.png]] 231 231 ... ... @@ -234,9 +234,9 @@ 234 234 === 2.2.5 Use UDP protocol to uplink data(Default protocol) === 235 235 236 236 237 -* (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink 270 +* (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink 238 238 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 239 -* (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/If the server does not respond, this command is unnecessary 272 +* (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 240 240 241 241 [[image:1657330501006-241.png]] 242 242 ... ... @@ -248,11 +248,11 @@ 248 248 === 2.2.6 Use MQTT protocol to uplink data === 249 249 250 250 251 -* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 252 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 253 -* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 254 -* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 255 -* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 284 +* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 285 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 286 +* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 287 +* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 288 +* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 256 256 * (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB **(%%)~/~/Set the sending topic of MQTT 257 257 * (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB **(%%) ~/~/Set the subscription topic of MQTT 258 258 ... ... @@ -283,6 +283,7 @@ 283 283 284 284 === 2.2.8 Change Update Interval === 285 285 319 + 286 286 User can use below command to change the (% style="color:green" %)**uplink interval**. 287 287 288 288 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s ... ... @@ -292,7 +292,7 @@ 292 292 ))) 293 293 294 294 ((( 295 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour. 329 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.** 296 296 ))) 297 297 298 298 ... ... @@ -299,14 +299,15 @@ 299 299 300 300 == 2.3 Uplink Payload == 301 301 336 + 302 302 In this mode, uplink payload includes in total 14 bytes 303 303 304 304 305 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width: 510px" %)340 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %) 306 306 |=(% style="width: 60px;" %)((( 307 307 **Size(bytes)** 308 -)))|=(% style="width: 50px;" %)**6**|=(% style="width:25px;" %)2|=(% style="width:25px;" %)**2**|=(% style="width:70px;" %)**1**|=(% style="width:60px;" %)**2**|=(% style="width:50px;" %)**1**309 -|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:10 8px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0SoilMoisture"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.8A0DigitalInterrupt"]]343 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1** 344 +|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]] 310 310 311 311 ((( 312 312 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data. ... ... @@ -341,14 +341,18 @@ 341 341 ))) 342 342 * ((( 343 343 Interrupt: 0x00 = 0 344 -))) 345 345 346 346 381 + 382 + 383 +))) 384 + 347 347 == 2.4 Payload Explanation and Sensor Interface == 348 348 349 349 350 350 === 2.4.1 Device ID === 351 351 390 + 352 352 ((( 353 353 By default, the Device ID equal to the last 6 bytes of IMEI. 354 354 ))) ... ... @@ -373,6 +373,7 @@ 373 373 374 374 === 2.4.2 Version Info === 375 375 415 + 376 376 ((( 377 377 Specify the software version: 0x64=100, means firmware version 1.00. 378 378 ))) ... ... @@ -385,9 +385,6 @@ 385 385 386 386 === 2.4.3 Battery Info === 387 387 388 -((( 389 -Check the battery voltage for LSE01. 390 -))) 391 391 392 392 ((( 393 393 Ex1: 0x0B45 = 2885mV ... ... @@ -401,6 +401,7 @@ 401 401 402 402 === 2.4.4 Signal Strength === 403 403 441 + 404 404 ((( 405 405 NB-IoT Network signal Strength. 406 406 ))) ... ... @@ -431,11 +431,14 @@ 431 431 432 432 433 433 434 -=== 2.4.5 Soil Moisture ===472 +=== 2.4.5 Distance === 435 435 474 + 436 436 Get the distance. Flat object range 280mm - 7500mm. 437 437 477 +((( 438 438 For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is 479 +))) 439 439 440 440 ((( 441 441 ((( ... ... @@ -453,6 +453,7 @@ 453 453 454 454 === 2.4.6 Digital Interrupt === 455 455 497 + 456 456 ((( 457 457 Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server. 458 458 ))) ... ... @@ -487,6 +487,7 @@ 487 487 488 488 === 2.4.7 +5V Output === 489 489 532 + 490 490 ((( 491 491 NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 492 492 ))) ... ... @@ -508,6 +508,7 @@ 508 508 509 509 == 2.5 Downlink Payload == 510 510 554 + 511 511 By default, NDDS75 prints the downlink payload to console port. 512 512 513 513 [[image:image-20220709100028-1.png]] ... ... @@ -578,7 +578,9 @@ 578 578 == 2.7 Firmware Change Log == 579 579 580 580 625 +((( 581 581 Download URL & Firmware Change log 627 +))) 582 582 583 583 ((( 584 584 [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]] ... ... @@ -585,25 +585,25 @@ 585 585 ))) 586 586 587 587 634 +((( 588 588 Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 636 +))) 589 589 590 590 591 591 592 -== 2. 9Battery Analysis ==640 +== 2.8 Battery Analysis == 593 593 594 -=== 2. 9.1 Battery Type ===642 +=== 2.8.1 Battery Type === 595 595 596 596 597 597 ((( 598 -The NS E01battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.646 +The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. 599 599 ))) 600 600 601 - 602 602 ((( 603 603 The battery is designed to last for several years depends on the actually use environment and update interval. 604 604 ))) 605 605 606 - 607 607 ((( 608 608 The battery related documents as below: 609 609 ))) ... ... @@ -613,13 +613,14 @@ 613 613 * [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 614 614 615 615 ((( 616 -[[image:image-2022070 8140453-6.png]]662 +[[image:image-20220709101450-2.png]] 617 617 ))) 618 618 619 619 620 620 621 -=== 2. 9.2 Power consumption Analyze ===667 +=== 2.8.2 Power consumption Analyze === 622 622 669 + 623 623 ((( 624 624 Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval. 625 625 ))) ... ... @@ -652,12 +652,13 @@ 652 652 And the Life expectation in difference case will be shown on the right. 653 653 ))) 654 654 655 -[[image:image-2022070 8141352-7.jpeg]]702 +[[image:image-20220709110451-3.png]] 656 656 657 657 658 658 659 -=== 2. 9.3 Battery Note ===706 +=== 2.8.3 Battery Note === 660 660 708 + 661 661 ((( 662 662 The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased. 663 663 ))) ... ... @@ -664,10 +664,11 @@ 664 664 665 665 666 666 667 -=== 2. 9.4 Replace the battery ===715 +=== 2.8.4 Replace the battery === 668 668 717 + 669 669 ((( 670 -The default battery pack of NS E01includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).719 +The default battery pack of NDDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes). 671 671 ))) 672 672 673 673 ... ... @@ -674,6 +674,7 @@ 674 674 675 675 = 3. Access NB-IoT Module = 676 676 726 + 677 677 ((( 678 678 Users can directly access the AT command set of the NB-IoT module. 679 679 ))) ... ... @@ -682,7 +682,7 @@ 682 682 The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 683 683 ))) 684 684 685 -[[image:16572 61278785-153.png]]735 +[[image:1657333200519-600.png]] 686 686 687 687 688 688 ... ... @@ -690,9 +690,10 @@ 690 690 691 691 == 4.1 Access AT Commands == 692 692 693 -See this link for detail: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NSE01/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]] 694 694 744 +See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]] 695 695 746 + 696 696 AT+<CMD>? : Help on <CMD> 697 697 698 698 AT+<CMD> : Run <CMD> ... ... @@ -778,18 +778,11 @@ 778 778 ))) 779 779 780 780 ((( 781 -(% style="color:red" %)Notice, NS E01and LSE01share the same mother board. They use the same connection and method to update.832 +(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.** 782 782 ))) 783 783 784 784 785 785 786 -== 5.2 Can I calibrate NSE01 to different soil types? == 787 - 788 -((( 789 -NSE01 is calibrated for saline-alkali soil and loamy soil. If users want to use it for other soil, they can calibrate the value in the IoT platform base on the value measured by saline-alkali soil and loamy soil. The formula can be found at [[this link>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/LSE01/Calibrate_to_other_Soil_20220605.pdf]]. 790 -))) 791 - 792 - 793 793 = 6. Trouble Shooting = 794 794 795 795 == 6.1 Connection problem when uploading firmware == ... ... @@ -807,6 +807,7 @@ 807 807 808 808 == 6.2 AT Command input doesn't work == 809 809 854 + 810 810 ((( 811 811 In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string. 812 812 ... ... @@ -817,7 +817,7 @@ 817 817 = 7. Order Info = 818 818 819 819 820 -Part Number**:** (% style="color:#4f81bd" %)**NS E01**865 +Part Number**:** (% style="color:#4f81bd" %)**NSDDS75** 821 821 822 822 823 823 (% class="wikigeneratedid" %) ... ... @@ -832,7 +832,7 @@ 832 832 833 833 (% style="color:#037691" %)**Package Includes**: 834 834 835 -* NS E01NB-IoTSoil Moisture&ECSensor x 1880 +* NDDS75 NB-IoT Distance Detect Sensor Node x 1 836 836 * External antenna x 1 837 837 ))) 838 838 ... ... @@ -841,8 +841,10 @@ 841 841 842 842 (% style="color:#037691" %)**Dimension and weight**: 843 843 844 -* Size: 195 x 125 x 55 mm 845 -* Weight: 420g 889 +* Device Size: 13.0 x 5 x 4.5 cm 890 +* Device Weight: 150g 891 +* Package Size / pcs : 15 x 12x 5.5 cm 892 +* Weight / pcs : 220g 846 846 ))) 847 847 848 848 ((( ... ... @@ -854,5 +854,6 @@ 854 854 855 855 = 9. Support = 856 856 904 + 857 857 * 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. 858 858 * 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 [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
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