Changes for page LA66 LoRaWAN Shield User Manual
Last modified by Xiaoling on 2023/05/26 14:19
Summary
-
Page properties (2 modified, 0 added, 0 removed)
-
Attachments (0 modified, 6 added, 0 removed)
Details
- Page properties
-
- Title
-
... ... @@ -1,1 +1,1 @@ 1 -LA66 LoRaWAN Module1 +LA66 LoRaWAN Shield User Manual - Content
-
... ... @@ -6,15 +6,15 @@ 6 6 7 7 8 8 9 -= 1. LA66 LoRaWAN Module = 10 10 10 += 1. LA66 LoRaWAN Shield = 11 11 12 -== 1.1 What is LA66 LoRaWAN Module == 13 13 13 +== 1.1 Overview == 14 14 15 + 15 15 ((( 16 -((( 17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** ** 17 +[[image:image-20220715000826-2.png||height="145" width="220"]] 18 18 ))) 19 19 20 20 ((( ... ... @@ -22,13 +22,12 @@ 22 22 ))) 23 23 24 24 ((( 25 -(% style="color:blue" %)** DraginoLA66**(%%) isa small wirelessLoRaWANmodule that offersa very compelling mixoflong-range,lowpowerconsumption,andsecuredata transmission.It isdesignedtofacilitatedeveloperstoquicklydeployindustrial-levelLoRaWANand IoTsolutions. It helps userstoturn theideaintopracticalapplicationand makethe InternetofThings areality. It is easy tocreate and connectyour thingseverywhere.25 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to Arduino projects. 26 26 ))) 27 -))) 28 28 29 29 ((( 30 30 ((( 31 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol. 30 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol. 32 32 ))) 33 33 ))) 34 34 ... ... @@ -36,8 +36,10 @@ 36 36 ((( 37 37 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 38 38 ))) 38 +))) 39 39 40 40 ((( 41 +((( 41 41 Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application. 42 42 ))) 43 43 ))) ... ... @@ -52,10 +52,12 @@ 52 52 53 53 == 1.2 Features == 54 54 56 + 57 +* Arduino Shield base on LA66 LoRaWAN module 55 55 * Support LoRaWAN v1.0.4 protocol 56 56 * Support peer-to-peer protocol 57 57 * TCXO crystal to ensure RF performance on low temperature 58 -* SM DAntennapad and i-pex antennaconnector61 +* SMA connector 59 59 * Available in different frequency LoRaWAN frequency bands. 60 60 * World-wide unique OTAA keys. 61 61 * AT Command via UART-TTL interface ... ... @@ -67,6 +67,7 @@ 67 67 68 68 == 1.3 Specification == 69 69 73 + 70 70 * CPU: 32-bit 48 MHz 71 71 * Flash: 256KB 72 72 * RAM: 64KB ... ... @@ -88,115 +88,17 @@ 88 88 89 89 90 90 91 -== 1.4ATCommand==95 +== 2.4 Pin Mapping & LED == 92 92 93 93 94 - AT Command is valid over Main TXDand Main RXD. Serial Baud Rate is 9600.AT commands can befoundinAT Commanddocuments.98 +[[image:image-20220814101457-1.png||height="553" width="761"]] 95 95 96 - 97 - 98 -== 1.5 Dimension == 99 - 100 -[[image:image-20220718094750-3.png]] 101 - 102 - 103 - 104 -== 1.6 Pin Mapping == 105 - 106 -[[image:image-20220720111850-1.png]] 107 - 108 - 109 - 110 -== 1.7 Land Pattern == 111 - 112 -[[image:image-20220517072821-2.png]] 113 - 114 - 115 - 116 -= 2. LA66 LoRaWAN Shield = 117 - 118 - 119 -== 2.1 Overview == 120 - 121 - 122 -((( 123 -[[image:image-20220715000826-2.png||height="145" width="220"]] 124 -))) 125 - 126 -((( 127 - 128 -))) 129 - 130 -((( 131 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to Arduino projects. 132 -))) 133 - 134 -((( 135 -((( 136 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol. 137 -))) 138 -))) 139 - 140 -((( 141 -((( 142 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 143 -))) 144 -))) 145 - 146 -((( 147 -((( 148 -Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application. 149 -))) 150 -))) 151 - 152 -((( 153 -((( 154 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 155 -))) 156 -))) 157 - 158 - 159 - 160 -== 2.2 Features == 161 - 162 -* Arduino Shield base on LA66 LoRaWAN module 163 -* Support LoRaWAN v1.0.4 protocol 164 -* Support peer-to-peer protocol 165 -* TCXO crystal to ensure RF performance on low temperature 166 -* SMA connector 167 -* Available in different frequency LoRaWAN frequency bands. 168 -* World-wide unique OTAA keys. 169 -* AT Command via UART-TTL interface 170 -* Firmware upgradable via UART interface 171 -* Ultra-long RF range 172 - 173 -== 2.3 Specification == 174 - 175 -* CPU: 32-bit 48 MHz 176 -* Flash: 256KB 177 -* RAM: 64KB 178 -* Input Power Range: 1.8v ~~ 3.7v 179 -* Power Consumption: < 4uA. 180 -* Frequency Range: 150 MHz ~~ 960 MHz 181 -* Maximum Power +22 dBm constant RF output 182 -* High sensitivity: -148 dBm 183 -* Temperature: 184 -** Storage: -55 ~~ +125℃ 185 -** Operating: -40 ~~ +85℃ 186 -* Humidity: 187 -** Storage: 5 ~~ 95% (Non-Condensing) 188 -** Operating: 10 ~~ 95% (Non-Condensing) 189 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 190 -* LoRa Rx current: <9 mA 191 -* I/O Voltage: 3.3v 192 - 193 -== 2.4 LED == 194 - 195 195 ~1. The LED lights up red when there is an upstream data packet 196 196 2. When the network is successfully connected, the green light will be on for 5 seconds 197 197 3. Purple light on when receiving downlink data packets 198 198 199 199 105 + 200 200 == 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 201 201 202 202 ... ... @@ -207,7 +207,7 @@ 207 207 208 208 209 209 210 -**1. open Arduino IDE** 116 +(% style="color:blue" %)**1. open Arduino IDE** 211 211 212 212 213 213 [[image:image-20220723170545-4.png]] ... ... @@ -214,25 +214,22 @@ 214 214 215 215 216 216 217 -**2. Open project** 123 +(% style="color:blue" %)**2. Open project** 218 218 219 219 220 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/ trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]126 +LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]] 221 221 222 -[[image:image-2022072 3170750-5.png||height="533" width="930"]]128 +[[image:image-20220726135239-1.png]] 223 223 224 224 131 +(% style="color:blue" %)**3. Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload** 225 225 226 - **3. Click the buttonmarked 1 in the figureto compile, and after the compilation is complete, click the button marked2inthe figure to upload**133 +[[image:image-20220726135356-2.png]] 227 227 228 228 229 - [[image:image-20220723171228-6.png]]136 +(% style="color:blue" %)**4. After the upload is successful, open the serial port monitoring and send the AT command** 230 230 231 231 232 - 233 -**4. After the upload is successful, open the serial port monitoring and send the AT command** 234 - 235 - 236 236 [[image:image-20220723172235-7.png||height="480" width="1027"]] 237 237 238 238 ... ... @@ -240,16 +240,17 @@ 240 240 == 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 241 241 242 242 243 -**1. Open project** 146 +(% style="color:blue" %)**1. Open project** 244 244 245 245 246 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/ trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]149 +Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]] 247 247 151 + 248 248 [[image:image-20220723172502-8.png]] 249 249 250 250 251 251 252 -2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets 156 +(% style="color:blue" %)**2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets** 253 253 254 254 255 255 [[image:image-20220723172938-9.png||height="652" width="1050"]] ... ... @@ -259,10 +259,10 @@ 259 259 == 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. == 260 260 261 261 262 -**1. Open project** 166 +(% style="color:blue" %)**1. Open project** 263 263 264 264 265 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/ trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]169 +Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]] 266 266 267 267 268 268 [[image:image-20220723173341-10.png||height="581" width="1014"]] ... ... @@ -269,7 +269,7 @@ 269 269 270 270 271 271 272 -**2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets** 176 +(% style="color:blue" %)**2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets** 273 273 274 274 275 275 [[image:image-20220723173950-11.png||height="665" width="1012"]] ... ... @@ -276,7 +276,7 @@ 276 276 277 277 278 278 279 -**3. Integration into Node-red via TTNV3** 183 +(% style="color:blue" %)**3. Integration into Node-red via TTNV3** 280 280 281 281 For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]] 282 282 ... ... @@ -297,6 +297,7 @@ 297 297 [[image:image-20220602100052-2.png||height="385" width="600"]] 298 298 299 299 204 + 300 300 === 2.8.2 Connection === 301 301 302 302 ... ... @@ -322,6 +322,7 @@ 322 322 [[image:image-20220602102240-4.png||height="304" width="600"]] 323 323 324 324 230 + 325 325 === 2.8.3 Upgrade steps === 326 326 327 327 ... ... @@ -431,6 +431,7 @@ 431 431 432 432 == 3.2 Features == 433 433 340 + 434 434 * LoRaWAN USB adapter base on LA66 LoRaWAN module 435 435 * Ultra-long RF range 436 436 * Support LoRaWAN v1.0.4 protocol ... ... @@ -443,10 +443,9 @@ 443 443 * Firmware upgradable via UART interface 444 444 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 445 445 446 - 447 - 448 448 == 3.3 Specification == 449 449 355 + 450 450 * CPU: 32-bit 48 MHz 451 451 * Flash: 256KB 452 452 * RAM: 64KB ... ... @@ -463,10 +463,9 @@ 463 463 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 464 464 * LoRa Rx current: <9 mA 465 465 466 - 467 - 468 468 == 3.4 Pin Mapping & LED == 469 469 374 +[[image:image-20220813183239-3.png||height="526" width="662"]] 470 470 471 471 472 472 == 3.5 Example: Send & Get Messages via LoRaWAN in PC == ... ... @@ -594,97 +594,108 @@ 594 594 595 595 596 596 597 -== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sampleprocess and DRAGINO-LA66-APP.==502 +== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP == 598 598 599 599 600 -=== 3.8.1 DRAGINO-LA66-APP===505 +=== 3.8.1 Hardware and Software Connection === 601 601 602 602 603 - [[image:image-20220723102027-3.png]]508 +==== (% style="color:blue" %)**Overview:**(%%) ==== 604 604 605 605 511 +((( 512 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features: 606 606 607 -==== (% style="color:blue" %)**Overview:**(%%) ==== 514 +* Send real-time location information of mobile phone to LoRaWAN network. 515 +* Check LoRaWAN network signal strengh. 516 +* Manually send messages to LoRaWAN network. 517 +))) 608 608 609 609 610 -DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter. 611 611 612 - Viewthemmunication signalstrengthbetweenthe nodeandthe gateway through theRSSI value(DRAGINO-LA66-APPcurrentlyonlysupports Android system)521 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ==== 613 613 523 +A USB to Type-C adapter is needed to connect to a Mobile phone. 614 614 525 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter. 615 615 616 - ==== (% style="color:blue" %)**Conditionsof Use:**(%%)====527 +[[image:image-20220813174353-2.png||height="360" width="313"]] 617 617 618 618 619 - Requiresatype-ctoUSBadapter530 +==== (% style="color:blue" %)**Download and Install App:**(%%) ==== 620 620 621 -[[i mage:image-20220723104754-4.png]]532 +[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]. (Android Version Only) 622 622 534 +[[image:image-20220813173738-1.png]] 623 623 624 624 625 625 ==== (% style="color:blue" %)**Use of APP:**(%%) ==== 626 626 627 - 628 628 Function and page introduction 629 629 630 -[[image:image-20220723113448-7.png||height=" 1481" width="670"]]541 +[[image:image-20220723113448-7.png||height="995" width="450"]] 631 631 632 - 1.Display LA66 USBLoRaWAN Module connectionstatus543 +**Block Explain:** 633 633 634 - 2.Checkandreconnect545 +1. Display LA66 USB LoRaWAN Module connection status 635 635 636 - 3.Turnsendtimestamps onorff547 +2. Check and reconnect 637 637 638 - 4.DisplayLoRaWanconnection status549 +3. Turn send timestamps on or off 639 639 640 - 5.CheckLoRaWan connection status551 +4. Display LoRaWan connection status 641 641 642 - 6.The RSSI valueof thenodewhen the ACK isreceived553 +5. Check LoRaWan connection status 643 643 644 - 7.Node'sSignalStrengthIcon555 +6. The RSSI value of the node when the ACK is received 645 645 646 - 8.Setthepacketsendingintervaloftheodein seconds557 +7. Node's Signal Strength Icon 647 647 648 - 9.ATcommandinputbox559 +8. Configure Location Uplink Interval 649 649 650 - 10.SendAT commandbutton561 +9. AT command input box 651 651 652 -1 1.Nodelogbox563 +10. Send Button: Send input box info to LA66 USB Adapter 653 653 654 -1 2.clearlog button565 +11. Output Log from LA66 USB adapter 655 655 656 -1 3.exitbutton567 +12. clear log button 657 657 569 +13. exit button 658 658 571 + 659 659 LA66 USB LoRaWAN Module not connected 660 660 661 -[[image:image-20220723110520-5.png||height=" 903" width="677"]]574 +[[image:image-20220723110520-5.png||height="677" width="508"]] 662 662 663 663 664 664 665 665 Connect LA66 USB LoRaWAN Module 666 666 667 -[[image:image-20220723110626-6.png||height=" 906" width="680"]]580 +[[image:image-20220723110626-6.png||height="681" width="511"]] 668 668 669 669 670 670 671 -=== 3.8.2 UseDRAGINO-LA66-APP to obtainpositioning informationandsend itto TTNV3through LA66 USB LoRaWAN Adapterandintegrateit intoNode-RED===584 +=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red === 672 672 673 673 674 -**1. Register LA66 USB LoRaWAN Module to TTNV3** 587 +(% style="color:blue" %)**1. Register LA66 USB LoRaWAN Module to TTNV3** 675 675 676 676 [[image:image-20220723134549-8.png]] 677 677 678 678 679 679 680 -**2. Open Node-RED,And import the JSON file to generate the flow** 593 +(% style="color:blue" %)**2. Open Node-RED,And import the JSON file to generate the flow** 681 681 682 -Sample JSON file please go to this link to download :放置JSON文件的链接595 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download. 683 683 684 -For the usage of Node-RED, please refer to: [[http:~~/~~/ 8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]597 +For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]] 685 685 686 - Thefollowingisthe positioningeffectmap599 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red. 687 687 601 + 602 +Example output in NodeRed is as below: 603 + 688 688 [[image:image-20220723144339-1.png]] 689 689 690 690 ... ... @@ -700,9 +700,19 @@ 700 700 701 701 702 702 703 -= 4. OrderInfo=619 += 4. FAQ = 704 704 705 705 622 +== 4.1 How to Compile Source Code for LA66? == 623 + 624 + 625 +Compile and Upload Code to ASR6601 Platform :[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]] 626 + 627 + 628 + 629 += 5. Order Info = 630 + 631 + 706 706 **Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 707 707 708 708 ... ... @@ -718,8 +718,7 @@ 718 718 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 719 719 * (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 720 720 647 += 6. Reference = 721 721 722 -= 5. Reference = 723 723 724 - 725 725 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
- image-20220726135239-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +91.4 KB - Content
- image-20220726135356-2.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +45.6 KB - Content
- image-20220813173738-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +13.2 KB - Content
- image-20220813174353-2.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +189.1 KB - Content
- image-20220813183239-3.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +642.4 KB - Content
- image-20220814101457-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +913.4 KB - Content