Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -12,11 +12,6 @@ 12 12 13 13 14 14 15 - 16 - 17 - 18 - 19 - 20 20 **Table of Contents:** 21 21 22 22 {{toc/}} ... ... @@ -74,6 +74,7 @@ 74 74 (% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 75 75 76 76 72 + 77 77 == 1.2 Specifications == 78 78 79 79 ... ... @@ -112,8 +112,10 @@ 112 112 * Packet engine up to 256 bytes with CRC 113 113 114 114 111 + 115 115 == 1.3 Features == 116 116 114 + 117 117 * LoRaWAN Class A & Class C protocol (default Class C) 118 118 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 119 119 * AT Commands to change parameters ... ... @@ -124,8 +124,10 @@ 124 124 * Support Interrupt uplink (Since hardware version v1.2) 125 125 126 126 125 + 127 127 == 1.4 Applications == 128 128 128 + 129 129 * Smart Buildings & Home Automation 130 130 * Logistics and Supply Chain Management 131 131 * Smart Metering ... ... @@ -134,13 +134,17 @@ 134 134 * Smart Factory 135 135 136 136 137 + 137 137 == 1.5 Firmware Change log == 138 138 140 + 139 139 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 140 140 141 141 144 + 142 142 == 1.6 Hardware Change log == 143 143 147 + 144 144 ((( 145 145 ((( 146 146 ((( ... ... @@ -151,6 +151,7 @@ 151 151 v1.0: Release 152 152 ))) 153 153 158 + 154 154 155 155 ))) 156 156 ))) ... ... @@ -157,6 +157,7 @@ 157 157 158 158 = 2. Power ON Device = 159 159 165 + 160 160 ((( 161 161 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 162 162 ... ... @@ -169,6 +169,7 @@ 169 169 170 170 (% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 171 171 178 + 172 172 173 173 ))) 174 174 ... ... @@ -176,16 +176,19 @@ 176 176 177 177 == 3.1 How it works? == 178 178 186 + 179 179 ((( 180 180 ((( 181 181 The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA. 182 182 ))) 183 183 192 + 184 184 185 185 ))) 186 186 187 187 == 3.2 Example to join LoRaWAN network == 188 188 198 + 189 189 Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 190 190 191 191 (% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) ... ... @@ -255,8 +255,10 @@ 255 255 (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 256 256 257 257 268 + 258 258 == 3.3 Configure Commands to read data == 259 259 271 + 260 260 ((( 261 261 ((( 262 262 ((( ... ... @@ -266,15 +266,17 @@ 266 266 267 267 ((( 268 268 ((( 269 -(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1 281 +(% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1** 270 270 ))) 271 271 284 + 272 272 273 273 ))) 274 274 ))) 275 275 276 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 289 +=== 3.3.1 Configure UART settings for RS485 or TTL communication === 277 277 291 + 278 278 To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are: 279 279 280 280 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) ... ... @@ -336,11 +336,15 @@ 336 336 ))) 337 337 338 338 353 + 339 339 === 3.3.2 Configure sensors === 340 340 356 + 341 341 ((( 342 342 ((( 343 -Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling. 359 +Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling. 360 + 361 + 344 344 ))) 345 345 ))) 346 346 ... ... @@ -361,8 +361,10 @@ 361 361 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 362 362 363 363 382 + 364 364 === 3.3.3 Configure read commands for each sampling === 365 365 385 + 366 366 ((( 367 367 During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload. 368 368 ... ... @@ -436,6 +436,7 @@ 436 436 437 437 === 3.3.4 Compose the uplink payload === 438 438 459 + 439 439 ((( 440 440 Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.** 441 441 ... ... @@ -494,7 +494,7 @@ 494 494 DATA3=the rest of Valid value of RETURN10= **30** 495 495 496 496 497 -(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below: 518 +(% style="color:red" %)**Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:** 498 498 499 499 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 500 500 ... ... @@ -513,6 +513,7 @@ 513 513 514 514 === 3.3.5 Uplink on demand === 515 515 537 + 516 516 Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command. 517 517 518 518 Downlink control command: ... ... @@ -525,6 +525,7 @@ 525 525 526 526 === 3.3.6 Uplink on Interrupt === 527 527 550 + 528 528 RS485-LN support external Interrupt uplink since hardware v1.2 release. 529 529 530 530 (% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) ... ... @@ -532,6 +532,7 @@ 532 532 Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet. 533 533 534 534 558 + 535 535 == 3.4 Uplink Payload == 536 536 537 537 ... ... @@ -540,8 +540,10 @@ 540 540 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 541 541 542 542 567 + 543 543 == 3.5 Configure RS485-LN via AT or Downlink == 544 544 570 + 545 545 ((( 546 546 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 547 547 ))) ... ... @@ -563,13 +563,17 @@ 563 563 ))) 564 564 565 565 592 + 566 566 === 3.5.1 Common Commands === 567 567 595 + 568 568 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 569 569 570 570 599 + 571 571 === 3.5.2 Sensor related commands === 572 572 602 + 573 573 Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server. 574 574 575 575 (% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% title="Click and drag to resize" %) ... ... @@ -1084,6 +1084,7 @@ 1084 1084 1085 1085 == 3.6 Listening mode for RS485 network == 1086 1086 1117 + 1087 1087 ((( 1088 1088 This feature support since firmware v1.4 1089 1089 ))) ... ... @@ -1090,6 +1090,8 @@ 1090 1090 1091 1091 ((( 1092 1092 RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN. 1124 + 1125 + 1093 1093 ))) 1094 1094 1095 1095 (% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) ... ... @@ -1175,11 +1175,12 @@ 1175 1175 1176 1176 ((( 1177 1177 ((( 1178 -(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 1211 +(% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.** 1179 1179 ))) 1180 1180 ))) 1181 1181 1182 1182 1216 + 1183 1183 == 3.7 Buttons == 1184 1184 1185 1185 ... ... @@ -1190,6 +1190,7 @@ 1190 1190 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1191 1191 1192 1192 1227 + 1193 1193 == 3.8 LEDs == 1194 1194 1195 1195 ... ... @@ -1199,15 +1199,19 @@ 1199 1199 |**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 1200 1200 1201 1201 1237 + 1202 1202 = 4. Case Study = 1203 1203 1240 + 1204 1204 User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] 1205 1205 1206 1206 1244 + 1207 1207 = 5. Use AT Command = 1208 1208 1209 1209 == 5.1 Access AT Command == 1210 1210 1249 + 1211 1211 ((( 1212 1212 RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below. 1213 1213 ))) ... ... @@ -1233,6 +1233,7 @@ 1233 1233 1234 1234 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1235 1235 1275 + 1236 1236 If device has not joined network yet: 1237 1237 1238 1238 * (% style="color:#037691" %)**AT+FDR** ... ... @@ -1251,6 +1251,7 @@ 1251 1251 ))) 1252 1252 1253 1253 1294 + 1254 1254 === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1255 1255 1256 1256 ... ... @@ -1287,10 +1287,12 @@ 1287 1287 (% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1288 1288 1289 1289 1331 + 1290 1290 = 6. FAQ = 1291 1291 1292 1292 == 6.1 How to upgrade the image? == 1293 1293 1336 + 1294 1294 ((( 1295 1295 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1296 1296 ))) ... ... @@ -1309,14 +1309,16 @@ 1309 1309 Below shows the hardware connection for how to upload an image to RS485-LN: 1310 1310 ))) 1311 1311 1312 -(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]] (% title="Click and drag to resize" %)1355 +(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]] 1313 1313 1357 +(% title="Click and drag to resize" %) 1358 + 1314 1314 ((( 1315 1315 (% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1316 1316 ))) 1317 1317 1318 1318 ((( 1319 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir= LT_LoRa_IO_Controller/LT33222-L/image/]].1364 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]]. 1320 1320 ))) 1321 1321 1322 1322 ((( ... ... @@ -1341,52 +1341,69 @@ 1341 1341 (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1342 1342 1343 1343 1344 -(% style="color:red" %)**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1389 +(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:** 1345 1345 1346 1346 (% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1347 1347 1348 1348 1394 + 1349 1349 == 6.2 How to change the LoRa Frequency Bands/Region? == 1350 1350 1397 + 1351 1351 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1352 1352 1353 1353 1401 + 1354 1354 == 6.3 How many RS485-Slave can RS485-LN connects? == 1355 1355 1404 + 1356 1356 The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 1357 1357 1358 1358 1408 + 1359 1359 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1360 1360 1411 + 1361 1361 When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1362 1362 1363 1363 Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1364 1364 1365 1365 1417 + 1366 1366 == 6.5 Can i use point to point communication for RS485-LN? == 1367 1367 1420 + 1368 1368 Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1369 1369 1370 1370 1424 + 1371 1371 == 6.6 How to Use RS485-LN to connect to RS232 devices? == 1372 1372 1427 + 1373 1373 [[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]] 1374 1374 1375 1375 1431 + 1376 1376 = 7. Trouble Shooting = 1377 1377 1434 + 1378 1378 == 7.1 Downlink doesn't work, how to solve it? == 1379 1379 1437 + 1380 1380 Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1381 1381 1382 1382 1441 + 1383 1383 == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? == 1384 1384 1444 + 1385 1385 It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1386 1386 1387 1387 1448 + 1388 1388 = 8. Order Info = 1389 1389 1451 + 1390 1390 (% style="color:blue" %)**Part Number: RS485-LN-XXX** 1391 1391 1392 1392 (% style="color:blue" %)**XXX:** ... ... @@ -1403,6 +1403,7 @@ 1403 1403 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1404 1404 1405 1405 1468 + 1406 1406 = 9.Packing Info = 1407 1407 1408 1408 ... ... @@ -1420,8 +1420,10 @@ 1420 1420 * Weight / pcs : 170g 1421 1421 1422 1422 1486 + 1423 1423 = 10. FCC Caution for RS485LN-US915 = 1424 1424 1489 + 1425 1425 ((( 1426 1426 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1427 1427 ))) ... ... @@ -1474,6 +1474,7 @@ 1474 1474 1475 1475 = 11. Support = 1476 1476 1542 + 1477 1477 * ((( 1478 1478 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. 1479 1479 )))