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Mikrotik KNOT LR9G kit - IoT Gateway with LoRa® (RB924iR-2nD-BT5&BG770A&R11e-LR9G)
The MikroTik KNOT LR9G kit is an IoT gateway with LoRa® designed for asset tracking, remote monitoring, and automation. It supports LTE CAT-M/NB, GPS, Bluetooth and Wi-Fi 2.4 GHz, 2x 100 Mbps Ethernet, PoE-in & PoE-out
MikroTik KNOT LR9G kit – Industrial IoT gateway with LoRa, LTE CAT-M, and GPS support
MikroTik KNOT LR9G kit (RB924iR-2nD-BT5&BG770A&R11e-LR9G) is a versatile IoT gateway designed for telemetry and industrial automation systems. The device acts as an intelligent node that collects data from LoRa wireless sensors (915 MHz version) and transmits it to the cloud or local servers using the energy-efficient LTE CAT-M1 and NB-IoT cellular standards. Thanks to the integrated GNSS/GPS module, the gateway can simultaneously maintain a stable network connection and report its location. This makes the device ideal for monitoring moving assets, logistics, and managing distributed measurement stations.
The device's performance is based on a QCA9531 processor clocked at 650 MHz, which works with 64 MB of RAM and 128 MB of NAND flash. Management is performed via the RouterOS v7 system (Level 4 license), giving the user complete freedom in configuring advanced routing, proprietary scripts, and secure VPN tunnels. Additionally, the device boasts a rich set of interfaces: two Ethernet ports, an RS485 (Modbus) serial port for communication with industrial controllers, GPIO control pins, Bluetooth 5.2 modules, and a local Wi-Fi access point. Radio signal stability is ensured by three dedicated SMA female antenna connectors.
The gateway can be powered in three ways: via a standard DC socket, a MicroUSB port, or a PoE-in input. Furthermore, the second Ethernet port offers PoE-out functionality, allowing for direct powering of additional devices such as environmental sensors or IP cameras, without the need for separate cables. With a base power consumption of just 6 W, the design remains fully operational in temperatures ranging from -40°C to 70°C and has an IP20 protection class.
Key features:
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Performance: QCA9531 processor (650 MHz), 64 MB RAM, 128 MB NAND memory.
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Operating system: RouterOS v7 with Level 4 license.
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Wireless connectivity: LoRa module (915 MHz), LTE CAT-M1 / NB2 modem, GNSS/GPS, and Bluetooth 5.2.
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Communication interfaces: 2x RJ45 10/100 Mbps, Wi-Fi 4 (2.4 GHz), RS485 port (Modbus), and GPIO pins.
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Antenna connectors:Three separate SMA Female sockets (LTE, GPS, LoRa) for maximum range.
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Versatile power supply: DC Jack (12-57 V), PoE-in (802.3af/at), and MicroUSB (5 V).
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Additional functionality: PoE-out (802.3af) on the Ether2 port for powering external devices.
Technical Specifications
| Architecture | MIPSBE |
| Processor | QCA9531 |
| Number of Processor Cores | 1 |
| Nominal Processor Frequency | 650 MHz |
| Switch Chip Model | QCA9531 |
| License RouterOS | 4 |
| Operating System | RouterOS v7 |
| RAM Size | 64 MB |
| Storage Size | 128 MB |
| Storage Type | NAND |
Wireless Specifications |
|
| Max. Transmission speed (2.4 GHz) | 300 Mbit/s |
| Number of chains 2.4 GHz | 2 |
| 2.4 GHz wireless standards | 802.11b/g/n |
| Antenna gain for 2.4 GHz | 1.5 dBi |
| 2.4 GHz wireless system model | QCA9531 |
| Network standard wireless | Wi-Fi 4 |
Ethernet |
|
| 10/100 Ethernet ports | 2 |
PoE output (PoE-out) |
|
| PoE output ports | Ether2 |
| Output standard PoE | 802.3af |
| Output Current Limit (Low Voltage) | 650 mA |
| Output Current Limit (High Voltage) | 450 mA |
Expansion Ports |
|
| Number of SIM Slots | 1 Smart card (Nano SIM) |
| Slots MiniPCI-e | 1 |
| Serial Console Port | RS485 |
| Number of USB Ports | 1 |
| USB Socket Type | microUSB Type AB |
| Maximum USB Current (A) | 1 |
Bluetooth |
|
| Version Bluetooth | 5.2 |
| Bluetooth RF connector type | uUFL |
Other |
|
| PCB Temperature Monitor | Yes |
| Voltage Monitor | Yes |
Power |
|
| Number of entries DC | 3 (DC Jack, PoE-IN, MicroUSB) |
| MicroUSB Input Voltage | 5 V |
| DC Jack Input Voltage | 12-57 V |
| PoE Input | 802.3af/at |
| PoE-in Input Voltage | 18-57 V |
| Maximum Power Consumption | 23 W |
| Max. Power Consumption without Accessories | 6 W |
| Cooling Type | Passive |
Other |
|
| Ingress Protection Class | IP20 |
| Tested Ambient Temperature | -40°C to 70°C |
| MTBF | Approximately 200,000 hours at 25°C |
| Certification | FCC, IC, EAC |
Included Parts |
|
| K-47 Wall Mount Kit 24V 1.2A Power Supply DIN Rail Mount Kit USB OTG Cable |
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| Manufacturer SKU | RB924iR-2nD-BT5&BG770A&R11e-LR9G |
|---|---|
| Manufacturer | Mikrotik |
| GPSR contact | Mikrotikls SIA Unijas iela 2, LV-1039 Riga, Latvia support@mikrotik.com |
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