{"title":"Larger Message Payloads","description":"\u003cp\u003eBrowse satellite messaging hardware for applications that need to send and receive more than small telemetry packets, without moving to a full IP connection.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis collection currently focuses on Iridium Messaging Transport, or IMT. IMT devices support two way message-based payloads from 25 bytes to 100 KB, making them a good fit for batched sensor data, logs, configuration files, richer diagnostics, image snippets, and other payloads that are awkward to fit into low data SBD messages.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAs a rule of thumb, larger message payload devices are usually a good fit for deployments sending around 10-55 KB per month. If you expect to send much more than that, or you need TCP\/IP, Ethernet-connected equipment, remote access, or continuous data sessions, look at RockREMOTE and other Certus 100 hardware instead.\u003c\/p\u003e","products":[{"product_id":"rockblock-9704","title":"RockBLOCK 9704","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRockBLOCK 9704 is a compact Iridium Messaging Transport module for developers who need more than SBD, but don't need full IP.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e \u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt's built around the Iridium Certus 9704 transceiver and gives your project two way satellite messaging with payloads from 10 bytes up to 100 KB. That makes it a good fit for richer telemetry, batched sensor data, compressed files, image chips, logs, configuration updates, and more useful data from remote devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e \u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConnect over USB-C for development, or use the 3.3V TTL UART and 16-pin connector for embedded integration. The board handles the awkward bits around power and satellite module integration, so your host device can focus on collecting, packing, sending, and receiving the right data.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e \u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRockBLOCK 9704 is available with either an integrated patch antenna or an SMA connector for an external Iridium-certified antenna. It also supports GNSS passthrough, allowing the Iridium antenna path to be shared with a separate GNSS receiver in your design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e \u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUse it when your device needs to move kilobytes, not just bytes, from places normal networks do not reach.\u003c\/span\u003e\u003c\/p\u003e","brand":"Ground Control","offers":[{"title":"Patch","offer_id":58088373813596,"sku":"FP-RB-9704-ANT","price":299.0,"currency_code":"USD","in_stock":true},{"title":"SMA","offer_id":58088373846364,"sku":"FP-RB-9704-SMA","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/2411\/6572\/files\/9704Patch-1.jpg?v=1782491514"},{"product_id":"rockblock-plus-9704","title":"RockBLOCK Plus 9704","description":"\u003cp\u003eRockBLOCK Plus 9704 takes the RockBLOCK 9704 IMT module and packages it for field deployment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt gives your system two way Iridium Messaging Transport over the Iridium network, with message payloads up to 100 KB. Use it when classic SBD message sizes are too limiting, but you still want a message-based satellite link rather than full IP connectivity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe sealed IP67 enclosure includes the Iridium Certus 9704 transceiver, internal patch antenna, power handling, and onboard u-blox MAX-M10S GNSS. Your host system connects over RS-232, with separate serial access for Iridium and GNSS data.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe integrated GNSS receiver outputs raw location data over serial. It's not a fixed-function tracker; you decide how to parse, filter, combine, store, or transmit location data in your own application.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eChoose RockBLOCK Plus 9704 when you want 100 KB IMT messaging and GNSS in a mountable outdoor device. Choose RockBLOCK 9704 if you want the board-level version for your own enclosure, or RockBLOCK Pro if you want more onboard application logic and I\/O.\u003cbr\u003e\u003c\/p\u003e","brand":"Ground Control","offers":[{"title":"3 meters","offer_id":58094303281500,"sku":"FP-GC-RB-PLUS9704-3M","price":479.0,"currency_code":"USD","in_stock":true},{"title":"5 meters","offer_id":58094303314268,"sku":"FP-GC-RB-PLUS9704-5M","price":499.0,"currency_code":"USD","in_stock":true},{"title":"10 meters","offer_id":58094303347036,"sku":"FP-GC-RB-PLUS9704-10M","price":519.0,"currency_code":"USD","in_stock":true},{"title":"15 meters","offer_id":58094303379804,"sku":"FP-GC-RB-PLUS9704-15M","price":539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/2411\/6572\/files\/RockBLOCK-Plus-with-normal-cable.jpg?v=1781693432"},{"product_id":"rockblock-pro-oem","title":"RockBLOCK Pro OEM","description":"\u003cp\u003eRockBLOCK Pro OEM is the board-level version of RockBLOCK Pro, built for teams integrating Iridium Messaging Transport into their own products.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt gives your device two way satellite messaging over the Iridium network, with IMT payloads from 10 bytes up to 100 KB. Use it when SBD message sizes are too small, but you still want a message-based satellite link rather than full IP connectivity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe onboard processor handles message queueing, retries, and network interaction, reducing the amount of modem management your host application needs to handle. It runs the same firmware as the enclosed RockBLOCK Pro and uses the same Cloudloop device management workflow.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe OEM assembly is supplied as a PCB with mounting frame, with essential non-RF connections brought out through a single 30-way header. It's designed for integration into your own enclosure, power system, antenna path, and host hardware.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRockBLOCK Pro OEM supports RS232 or RS485 serial integration, depending on the configuration supplied. \u003cbr\u003e\u003c\/p\u003e","brand":"Ground Control","offers":[{"title":"Default Title","offer_id":58094427373916,"sku":"FP-RB-PRO-OEM","price":600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/2411\/6572\/files\/RockBLOCK-Pro-OEM-angled.jpg?v=1781700064"},{"product_id":"rockblock-pro","title":"RockBLOCK Pro","description":"\u003cp\u003eRockBLOCK Pro offers a more integrated route into Iridium Messaging Transport. It gives your system two way satellite messaging over the Iridium network, with payloads from 10 bytes up to 100 KB. Use it when SBD message sizes are too small, but you still want a message-based satellite link rather than full IP connectivity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe onboard processor handles the parts you may not want to rebuild: message queues, retries, and network management. Your host can talk to RockBLOCK Pro over RS232, RS485, or USB-C using the serial API, with support for familiar 9603-style AT commands where that helps migration from older RockBLOCK deployments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRockBLOCK Pro also gives you GNSS, BLE configuration, and four configurable I\/O channels for analog input, digital input, or open-drain output. It's built into an IP66 aluminum enclosure, with 5-30V DC input, USB-C power, and low power modes for remote systems running from battery or solar.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eChoose RockBLOCK Pro when you want larger IMT messages, onboard handling of the satellite workflow, configurable I\/O, and a field-ready enclosure. Choose RockBLOCK 9704 if you want the smaller board-level module for your own enclosure, or RockBLOCK Plus 9704 if you need a simpler sealed IMT device with GNSS over RS-232.\u003cbr\u003e\u003c\/p\u003e","brand":"Ground Control","offers":[{"title":"Integrated Antenna","offer_id":58350253736284,"sku":"FP-RB-PRO-ANT","price":870.0,"currency_code":"USD","in_stock":true},{"title":"SMA Connector","offer_id":58350253769052,"sku":"FP-RB-PRO-SMA","price":770.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/2411\/6572\/files\/RockBLOCK-Pro-Angled.jpg?v=1781705515"},{"product_id":"iridium-certus-9704-developer-kit","title":"Iridium Certus 9704 Developer Kit","description":"\u003cp\u003eThe Iridium Certus 9704 Developer Kit is an evaluation platform for testing Iridium Messaging Transport and the Certus 9704 transceiver.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt supports two way satellite messages up to 100 KB and includes the hardware needed for bench testing, host integration work, and open sky field evaluation. The kit is intended for engineering validation rather than commercial deployment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor a simpler route from prototype to production, consider RockBLOCK 9704. It uses the same IMT service, supports C, Python, and Arduino libraries, and is usually the better fit when you want to build on the same hardware you plan to deploy.\u003cbr\u003e\u003c\/p\u003e","brand":"Ground Control","offers":[{"title":"Default Title","offer_id":58099704398172,"sku":"FP-IRI-9704KIT","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/2411\/6572\/files\/Iridium-Certus-9704-Developer-Kit-no-Antenna.jpg?v=1781790457"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/2411\/6572\/collections\/RockBLOCK-9704-Patch_39ca838b-1285-4cd8-8f4d-ff36be84add7.png?v=1782225033","url":"https:\/\/store.groundcontrol.com\/collections\/larger-message-payloads.oembed","provider":"Ground Control","version":"1.0","type":"link"}