MikroTik IoT Gateway WiFi 2.4GHz BT5.0 2x100Mbps - Robust KNOT

In this review the MikroTik IoT Gateway WiFi RB924i-2nD-BT5&BG77 (KNOT) is examined for small network operators and industrial IoT deployments. The bottom line: this gateway is best for installers who need a compact, protocol-flexible device that forwards Bluetooth advertisement packets and bridges wired sensors using cellular backup. Its combination of 2.4 GHz WiFi, Bluetooth 5.0, and dual 100 Mbps Ethernet with PoE makes it a practical tool for cabinet-mounted telemetry, asset tracking, and remote sensor bridging.

Key Features

• Bluetooth 5.0 interface: Allows collection and forwarding of Bluetooth advertisement packets for asset tracking and telemetry from nearby sensors.
• 2.4 GHz wireless: Provides local WiFi connectivity for device management and lightweight data access in constrained deployments.
• Dual 100 Mbps Ethernet with PoE: Two Ethernet ports support PoE-in and PoE-out, enabling flexible power and network arrangements in cabinets.
• Cellular NB-IoT and CAT-M support: Narrow Band and CAT-M options provide a low-cost, low-bandwidth cellular backup supported by many mobile operators worldwide.
• Modbus and GPIO bridging: Can monitor onboard GPIOs and convert Modbus to TCP, letting wired sensors report to modern networks.
• HTTPS and MQTT forwarding: Bluetooth packets and sensor data can be forwarded to cloud services using MQTT or HTTPS for easy integration.

Who It's For

The KNOT is aimed at field technicians, systems integrators, and network managers who need a compact gateway to bring wireless connectivity to wired sensors, provide a cellular fallback, and capture Bluetooth beacon data for tracking. Its DIN rail mount and outdoor cabinet suitability make it a good fit for utility cabinets, remote telemetry points, and industrial IoT nodes.

Those who need high-throughput enterprise WiFi, multi-band concurrent radios, or extensive user-facing features should look elsewhere; this device focuses on protocol versatility and IoT bridging rather than consumer access point feature sets.

Pros & Cons

Pros

• Strong protocol support that forwards Bluetooth advertisements to MQTT or HTTPS for cloud integration.
• Flexible power and networking with two 100 Mbps Ethernet ports offering PoE-in and PoE-out for chained installations.
• Cellular NB-IoT and CAT-M capability provides a low-cost backup or primary link where operators support it.
• Compact DIN rail design simplifies mounting in outdoor cabinets and industrial racks.

Cons

• Not intended for high-bandwidth WiFi tasks or environments that require multi-band concurrent wireless performance.
• Advanced configuration may require familiarity with MikroTik tooling and networking concepts.

Specifications

Model	RB924i-2nD-BT5&BG77 (KNOT)
Wireless	2.4 GHz WiFi
Bluetooth	Bluetooth 5.0
Ethernet	2x 100 Mbps ports with PoE-in and PoE-out
Cellular	Narrow Band IoT and CAT-M support
Interfaces	Micro-USB, GPIO, Modbus support
Mounting	DIN rail mount for cabinet integration

Our Verdict

The MikroTik KNOT IoT Gateway is a well considered, value-oriented device for bringing Bluetooth sensing and wired Modbus sensors into IP networks with cellular backup. It is particularly useful for installers who need compact cabinet mounting, protocol conversion, and reliable forwarding to MQTT or HTTPS endpoints. For those specific tasks it represents strong value, though it is not a replacement for high-capacity enterprise WiFi hardware.

Frequently Asked Questions

Can this gateway forward Bluetooth data to cloud services?
Yes. The device can forward Bluetooth advertisement packets to a TCP/IP network via HTTPS or MQTT for cloud integration.

Does it support Modbus sensors?
Yes. KNOT can monitor onboard GPIOs and act as a TCP bridge to convert Modbus protocol to TCP for reporting sensor readings.

Can it be mounted in outdoor cabinets?
Yes. It includes a DIN rail mount and is intended for cabinet installations with PoE power options and optional cellular backup.