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Gateways/Controllers
MIKROTIK KNOT IoT Gateway with NB-IoT, CAT-M, Bluetooth, and Dual Ethernet (RB924i-2nD-BT5&BG77)
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Versatile MikroTik KNOT IoT Gateway featuring NB-IoT/CAT-M support, Bluetooth, and dual PoE Ethernet ports. Ideal for remote sensor monitoring, protocol conversion, and industrial automation.
81,42€ 88,02€
€67.29 (bez PVN)
Out of stock
KNOT // RB924i-2nD-BT5&BG77 | White | Built-in processor Yes | Internal memory 64 MB | Flash memory 16 MB | Forwarding rate 300 Mpps | Ethernet LAN data rates 100/10 Mbit/s | Wi-Fi Yes | Bluetooth Yes | SIM card slot Yes | 2xEthernet LAN (RJ-45) ports | Power consumption (typical) 18 W
The newest addition to the MikroTik IoT product family – KNOT – is a truly universal device with exceptional connectivity options and protocol support. It is an IoT Gateway that uses Narrow Band and CAT-M technology. Because of the low cost, low bandwidth cellular connection, it is supported by countless mobile operators around the globe.
KNOT can monitor onboard GPIOs, convert Modbus protocol to TCP, and even forward Bluetooth packets to TCP/IP network via HTTPS and MQTT.
You can use the KNOT as a TCP bridge from wired Modbus sensors to send readings to a Modbus server. Yes, the KNOT brings wireless connectivity to wired sensors, such as electricity meters and relays.
It could be used as a backup connection for the Ethernet or as a management channel for your network. NB/CAT-M monthly plan is much cheaper than LTE. Why spend extra money on bandwidth you don’t need? For example, you can manage a KNOT-powered vending machine with temperature and liquid sensors with only a few megabytes per day!
KNOT features so many protocol support and connectivity options:
2.4 GHz wireless, Bluetooth, 2x 100 Mbps Ethernet ports with PoE-in and PoE-out, Micro-USB. Maximum convenience at the lowest cost!
With the Bluetooth interface, you can use the KNOT for asset tracking and telemetry based on Bluetooth advertisement packets. KNOT supports any BLE tag that sends advertisement data. iBeacon, Eddystone or any other format.
It has powerful filters for forwarding only relevant packets and ignoring others.
KNOT is a great tool for most outdoor cabinet IoT applications as well. It comes with a DIN rail mount that allows easy integration with all kinds of setups: from agriculture and asset tracking to cold chain monitoring, industrial manufacturing, and so on.
Bring flexible low-cost connectivity to the most remote or tricky areas with the MikroTik KNOT!
| Summary | Mikrotik RB924I-2ND-BT5&BG77. Product colour: White, Mounting type: DIN-rail, International Protection (IP) code: IP20. Antenna gain level (max): 1.5 dBi. Processor model: QCA9531, Processor frequency: 650 MHz, Internal memory: 64 MB. Ethernet LAN data rates: 10,100 Mbit/s, Forwarding rate: 300 Mpps, Networking standards: IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3af, IEEE 802.3at. SIM card type: NanoSIM, Serial interface type: RS-485 |
| Unit Box Height | 0.26 |
| Unit Box Length | 0.58 |
| Unit Box Width | 0.22 |
| International Protection (IP) code | IP20 |
| Mounting type | DIN-rail |
| Product colour | White |
| Antenna gain level (max) | 1.5dBi |
| Built-in processor | Yes |
| Flash memory | 16MB |
| Internal memory | 64MB |
| Number of processors installed | 1 |
| Processor frequency | 650MHz |
| Processor model | QCA9531 |
| Bluetooth | Yes |
| Bluetooth version | 5.2 |
| Cabling technology | 10/100Base-T(X) |
| Ethernet LAN data rates | 10/100Mbit/s |
| Forwarding rate | 300Mpps |
| Networking standards | IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/IEEE 802.11n/IEEE 802.3af/IEEE 802.3at |
| Top Wi-Fi standard | Wi-Fi 4 (802.11n) |
| Wi-Fi | Yes |
| Wi-Fi band | Single-band (2.4 GHz) |
| Wi-Fi standards | 802.11b/802.11g/Wi-Fi 4 (802.11n) |
| Wireless connection | Yes |
| WLAN data transfer rate (max) | 300Mbit/s |
| WLAN data transfer rates supported | 300Mbit/s |
| Ethernet LAN (RJ-45) ports | 2 |
| Micro-USB 2.0 ports quantity | 1 |
| Serial interface type | RS-485 |
| SIM card slot | Yes |
| SIM card type | NanoSIM |
| Power consumption (typical) | 18W |
| Power over Ethernet (PoE) | Yes |
| Compatible operating systems | RouterOS |
| Depth | 87mm |
| Height | 26mm |
| Width | 122mm |
| Operating temperature (T-T) | -40 – 70°C |
| Certification | CE, FCC, IC, EAC, ROHS |
| Harmonized System (HS) code | 85176990 |
| Product model code | KNOT // RB924i-2nD-BT5&BG77 |
| Units per Pallet | 0 |
| Units per Shipping Box | 1 |
| Unit Calculated Volume | 0.03318cubm |
| Product Net Weight | 0.35kg |
| Unit Calculated Weight | 9.3kg |
Based on 1 review
Only logged in customers who have purchased this product may leave a review.
How does the warranty work if I purchase the KNOT from Apsardze24.lv?
We provide a 2-year warranty on all MikroTik devices. Should you encounter any technical issues, our dedicated service center located in Riga, Latvia, provides fast and reliable local support.
Can the RB924i-2nD-BT5&BG77 act as a bridge for wired Modbus sensors?
Yes, the KNOT is designed to act as a TCP bridge, allowing you to convert wired Modbus sensor data into TCP/IP, MQTT, or HTTPS formats for remote monitoring.
What should I do if I am having trouble configuring the GPIO or protocol conversion settings?
If you are having difficulty with advanced configuration, please reach out to our technical support team at [email protected] for expert guidance on your setup.
Is the MikroTik KNOT (RB924i-2nD-BT5&BG77) the official version for European frequency bands?
Yes, the units supplied by Apsardze24.lv are official versions compliant with EU standards and regulations, ensuring full compatibility with local network operators.
Can I use the Bluetooth interface for asset tracking?
Yes, the KNOT supports Bluetooth 5.2 and can scan for advertisement packets from BLE tags, including iBeacon and Eddystone formats, and forward this data to your network.
Does the MikroTik KNOT RB924i-2nD-BT5&BG77 include a power supply in the box?
No, the power supply unit is not included in the retail box. You will need to provide a compatible power source, utilizing the PoE-in port or the appropriate DC input.
Does this device support Power over Ethernet (PoE) output?
Yes, the KNOT features two 100 Mbps Ethernet ports. One supports PoE-in for powering the unit, and the other supports PoE-out for powering connected downstream devices.
Is the RB924i-2nD-BT5&BG77 suitable for mounting on a DIN rail?
Yes, the unit is designed for industrial integration and comes with a DIN rail mount, making it ideal for installation in cabinets and machinery enclosures.
What is the operating temperature range for the MikroTik KNOT?
The device is built for industrial and outdoor cabinet environments, operating reliably in temperatures ranging from -40°C to +70°C.
Is a specific SIM card size required for the cellular connectivity features?
The device features a NanoSIM card slot for the integrated NB-IoT and CAT-M cellular modem, which offers a cost-effective alternative to standard LTE.
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Simon Bennett –
Great experience with apsardze24.lv! The MikroTik KNOT arrived quickly and works perfectly for my industrial setup. Its versatility with Modbus and BLE is exactly what I needed for remote monitoring. Setting it up was a breeze thanks to the compact design. Highly recommended for any serious IoT project!
Simon Bennett –