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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... ... @@ -16,6 +16,7 @@ 16 16 17 17 = 1. Introduction = 18 18 19 + 19 19 == 1.1 What is NDDS75 Distance Detection Sensor == 20 20 21 21 ((( ... ... @@ -22,14 +22,31 @@ 22 22 23 23 24 24 ((( 26 +((( 25 25 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. 26 -\\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. 27 -\\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. 28 -\\NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement. 29 -\\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) 30 -\\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. 31 31 ))) 32 32 30 +((( 31 +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. 32 +))) 33 + 34 +((( 35 +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. 36 +))) 37 + 38 +((( 39 +NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement. 40 +))) 41 + 42 +((( 43 +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) 44 +))) 45 + 46 +((( 47 +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. 48 +))) 49 +))) 50 + 33 33 34 34 ))) 35 35 ... ... @@ -55,6 +55,7 @@ 55 55 56 56 57 57 76 + 58 58 == 1.3 Specification == 59 59 60 60 ... ... @@ -63,6 +63,7 @@ 63 63 * Supply Voltage: 2.1v ~~ 3.6v 64 64 * Operating Temperature: -40 ~~ 85°C 65 65 85 + 66 66 (% style="color:#037691" %)**NB-IoT Spec:** 67 67 68 68 * - B1 @H-FDD: 2100MHz ... ... @@ -72,6 +72,7 @@ 72 72 * - B20 @H-FDD: 800MHz 73 73 * - B28 @H-FDD: 700MHz 74 74 95 + 75 75 (% style="color:#037691" %)**Battery:** 76 76 77 77 * Li/SOCI2 un-chargeable battery ... ... @@ -80,15 +80,18 @@ 80 80 * Max continuously current: 130mA 81 81 * Max boost current: 2A, 1 second 82 82 104 + 83 83 (% style="color:#037691" %)**Power Consumption** 84 84 85 85 * STOP Mode: 10uA @ 3.3v 86 -* Max transmit power: [[350mA@3.3v>>mailto:350mA@3.3v]]108 +* Max transmit power: 350mA@3.3v 87 87 88 88 89 89 112 + 90 90 == 1.4 Applications == 91 91 115 + 92 92 * Smart Buildings & Home Automation 93 93 * Logistics and Supply Chain Management 94 94 * Smart Metering ... ... @@ -100,6 +100,8 @@ 100 100 101 101 102 102 127 + 128 + 103 103 == 1.5 Pin Definitions == 104 104 105 105 ... ... @@ -109,8 +109,10 @@ 109 109 110 110 = 2. Use NDDS75 to communicate with IoT Server = 111 111 138 + 112 112 == 2.1 How it works == 113 113 141 + 114 114 ((( 115 115 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. 116 116 ))) ... ... @@ -136,16 +136,17 @@ 136 136 137 137 === 2.2.1 Test Requirement === 138 138 167 + 139 139 ((( 140 140 To use NDDS75 in your city, make sure meet below requirements: 141 141 ))) 142 142 143 143 * Your local operator has already distributed a NB-IoT Network there. 144 -* The local NB-IoT network used the band that NS E01supports.173 +* The local NB-IoT network used the band that NDDS75 supports. 145 145 * Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 146 146 147 147 ((( 148 -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 177 +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. 149 149 ))) 150 150 151 151 ... ... @@ -155,6 +155,7 @@ 155 155 156 156 === 2.2.2 Insert SIM card === 157 157 187 + 158 158 ((( 159 159 Insert the NB-IoT Card get from your provider. 160 160 ))) ... ... @@ -170,6 +170,7 @@ 170 170 171 171 === 2.2.3 Connect USB – TTL to NDDS75 to configure it === 172 172 203 + 173 173 ((( 174 174 ((( 175 175 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. ... ... @@ -178,6 +178,7 @@ 178 178 179 179 [[image:image-20220709092052-2.png]] 180 180 212 + 181 181 **Connection:** 182 182 183 183 (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND ... ... @@ -201,8 +201,9 @@ 201 201 202 202 [[image:1657329814315-101.png]] 203 203 236 + 204 204 ((( 205 -(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dr agino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]238 +(% style="color:red" %)**Note: the valid AT Commands can be found at: **(%%)**[[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]** 206 206 ))) 207 207 208 208 ... ... @@ -209,21 +209,35 @@ 209 209 210 210 === 2.2.4 Use CoAP protocol to uplink data === 211 211 212 -(% 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/]] 213 213 246 +(% 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/]]** 214 214 248 + 249 +((( 215 215 **Use below commands:** 251 +))) 216 216 217 -* (% style="color:blue" %)**AT+PRO=1** (%%) ~/~/ Set to use CoAP protocol to uplink 218 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683 ** (%%)~/~/ to set CoAP server address and port 219 -* (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path 253 +* ((( 254 +(% style="color:blue" %)**AT+PRO=1** (%%) ~/~/ Set to use CoAP protocol to uplink 255 +))) 256 +* ((( 257 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683 ** (%%)~/~/ to set CoAP server address and port 258 +))) 259 +* ((( 260 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path 261 +))) 220 220 263 +((( 221 221 For parameter description, please refer to AT command set 265 +))) 222 222 223 223 [[image:1657330452568-615.png]] 224 224 225 225 270 + 271 +((( 226 226 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. 273 +))) 227 227 228 228 [[image:1657330472797-498.png]] 229 229 ... ... @@ -232,10 +232,11 @@ 232 232 === 2.2.5 Use UDP protocol to uplink data(Default protocol) === 233 233 234 234 235 -* (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink 282 +* (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink 236 236 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 237 -* (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/If the server does not respond, this command is unnecessary 284 +* (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 238 238 286 + 239 239 [[image:1657330501006-241.png]] 240 240 241 241 ... ... @@ -246,14 +246,15 @@ 246 246 === 2.2.6 Use MQTT protocol to uplink data === 247 247 248 248 249 -* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 250 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 251 -* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 252 -* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 253 -* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 297 +* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 298 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 299 +* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 300 +* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 301 +* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 254 254 * (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB **(%%)~/~/Set the sending topic of MQTT 255 255 * (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB **(%%) ~/~/Set the subscription topic of MQTT 256 256 305 + 257 257 [[image:1657249978444-674.png]] 258 258 259 259 ... ... @@ -272,6 +272,7 @@ 272 272 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink 273 273 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600 **(%%) ~/~/ to set TCP server address and port 274 274 324 + 275 275 [[image:image-20220709093918-1.png]] 276 276 277 277 ... ... @@ -281,6 +281,7 @@ 281 281 282 282 === 2.2.8 Change Update Interval === 283 283 334 + 284 284 User can use below command to change the (% style="color:green" %)**uplink interval**. 285 285 286 286 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s ... ... @@ -290,7 +290,7 @@ 290 290 ))) 291 291 292 292 ((( 293 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour. 344 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.** 294 294 ))) 295 295 296 296 ... ... @@ -297,13 +297,14 @@ 297 297 298 298 == 2.3 Uplink Payload == 299 299 351 + 300 300 In this mode, uplink payload includes in total 14 bytes 301 301 302 302 303 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width: 510px" %)304 -|=(% style="width: 80px;" %)(((355 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %) 356 +|=(% style="width: 60px;" %)((( 305 305 **Size(bytes)** 306 -)))|=(% style="width: 80px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width:110px;" %)**1**|=(% style="width: 110px;" %)**2**|=(% style="width:70px;" %)**1**358 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1** 307 307 |(% 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"]] 308 308 309 309 ((( ... ... @@ -313,6 +313,7 @@ 313 313 314 314 [[image:1657331036973-987.png]] 315 315 368 + 316 316 ((( 317 317 The payload is ASCII string, representative same HEX: 318 318 ))) ... ... @@ -350,6 +350,7 @@ 350 350 351 351 === 2.4.1 Device ID === 352 352 406 + 353 353 ((( 354 354 By default, the Device ID equal to the last 6 bytes of IMEI. 355 355 ))) ... ... @@ -356,6 +356,8 @@ 356 356 357 357 ((( 358 358 User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID 413 + 414 + 359 359 ))) 360 360 361 361 ((( ... ... @@ -374,6 +374,7 @@ 374 374 375 375 === 2.4.2 Version Info === 376 376 433 + 377 377 ((( 378 378 Specify the software version: 0x64=100, means firmware version 1.00. 379 379 ))) ... ... @@ -386,9 +386,6 @@ 386 386 387 387 === 2.4.3 Battery Info === 388 388 389 -((( 390 -Check the battery voltage for LSE01. 391 -))) 392 392 393 393 ((( 394 394 Ex1: 0x0B45 = 2885mV ... ... @@ -402,6 +402,7 @@ 402 402 403 403 === 2.4.4 Signal Strength === 404 404 459 + 405 405 ((( 406 406 NB-IoT Network signal Strength. 407 407 ))) ... ... @@ -434,9 +434,12 @@ 434 434 435 435 === 2.4.5 Distance === 436 436 492 + 437 437 Get the distance. Flat object range 280mm - 7500mm. 438 438 495 +((( 439 439 For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is 497 +))) 440 440 441 441 ((( 442 442 ((( ... ... @@ -454,6 +454,7 @@ 454 454 455 455 === 2.4.6 Digital Interrupt === 456 456 515 + 457 457 ((( 458 458 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. 459 459 ))) ... ... @@ -488,6 +488,7 @@ 488 488 489 489 === 2.4.7 +5V Output === 490 490 550 + 491 491 ((( 492 492 NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 493 493 ))) ... ... @@ -495,10 +495,14 @@ 495 495 496 496 ((( 497 497 The 5V output time can be controlled by AT Command. 558 + 559 + 498 498 ))) 499 499 500 500 ((( 501 501 (% style="color:blue" %)**AT+5VT=1000** 564 + 565 + 502 502 ))) 503 503 504 504 ((( ... ... @@ -509,6 +509,7 @@ 509 509 510 510 == 2.5 Downlink Payload == 511 511 576 + 512 512 By default, NDDS75 prints the downlink payload to console port. 513 513 514 514 [[image:image-20220709100028-1.png]] ... ... @@ -579,19 +579,23 @@ 579 579 == 2.7 Firmware Change Log == 580 580 581 581 582 -Download URL & Firmware Change log 647 +((( 648 +Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0>>https://www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0]] 649 +))) 583 583 584 584 ((( 585 - [[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/]]652 + 586 586 ))) 587 587 655 +((( 656 +Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 657 +))) 588 588 589 -Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 590 590 591 591 592 - 593 593 == 2.8 Battery Analysis == 594 594 663 + 595 595 === 2.8.1 Battery Type === 596 596 597 597 ... ... @@ -619,6 +619,7 @@ 619 619 620 620 === 2.8.2 Power consumption Analyze === 621 621 691 + 622 622 ((( 623 623 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. 624 624 ))) ... ... @@ -657,6 +657,7 @@ 657 657 658 658 === 2.8.3 Battery Note === 659 659 730 + 660 660 ((( 661 661 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. 662 662 ))) ... ... @@ -665,6 +665,7 @@ 665 665 666 666 === 2.8.4 Replace the battery === 667 667 739 + 668 668 ((( 669 669 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). 670 670 ))) ... ... @@ -673,6 +673,7 @@ 673 673 674 674 = 3. Access NB-IoT Module = 675 675 748 + 676 676 ((( 677 677 Users can directly access the AT command set of the NB-IoT module. 678 678 ))) ... ... @@ -679,6 +679,8 @@ 679 679 680 680 ((( 681 681 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/]] 755 + 756 + 682 682 ))) 683 683 684 684 [[image:1657333200519-600.png]] ... ... @@ -687,11 +687,13 @@ 687 687 688 688 = 4. Using the AT Commands = 689 689 765 + 690 690 == 4.1 Access AT Commands == 691 691 692 -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/]] 693 693 769 +See this link for detail: [[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]] 694 694 771 + 695 695 AT+<CMD>? : Help on <CMD> 696 696 697 697 AT+<CMD> : Run <CMD> ... ... @@ -765,6 +765,7 @@ 765 765 766 766 = 5. FAQ = 767 767 845 + 768 768 == 5.1 How to Upgrade Firmware == 769 769 770 770 ... ... @@ -777,7 +777,7 @@ 777 777 ))) 778 778 779 779 ((( 780 -(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update. 858 +(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.** 781 781 ))) 782 782 783 783 ... ... @@ -784,6 +784,7 @@ 784 784 785 785 = 6. Trouble Shooting = 786 786 865 + 787 787 == 6.1 Connection problem when uploading firmware == 788 788 789 789 ... ... @@ -799,6 +799,7 @@ 799 799 800 800 == 6.2 AT Command input doesn't work == 801 801 881 + 802 802 ((( 803 803 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. 804 804 ... ... @@ -824,7 +824,7 @@ 824 824 825 825 (% style="color:#037691" %)**Package Includes**: 826 826 827 -* NS E01NB-IoT Distance Detect Sensor Node x 1907 +* NDDS75 NB-IoT Distance Detect Sensor Node x 1 828 828 * External antenna x 1 829 829 ))) 830 830 ... ... @@ -833,7 +833,6 @@ 833 833 834 834 (% style="color:#037691" %)**Dimension and weight**: 835 835 836 - 837 837 * Device Size: 13.0 x 5 x 4.5 cm 838 838 * Device Weight: 150g 839 839 * Package Size / pcs : 15 x 12x 5.5 cm ... ... @@ -849,5 +849,8 @@ 849 849 850 850 = 9. Support = 851 851 931 + 852 852 * 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. 853 853 * 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]] 934 + 935 +