MikroTik KNOT Embedded LTE4 Industrial IoT Gateway
The MikroTik KNOT Embedded LTE4 (EC25-EU&KNe) is a tiny, DIN-rail-mountable industrial LTE Cat4 gateway purpose-built for IoT integrators, automation specialists, and smart-city engineers. Originally designed for coffee and vending machine monitoring, it delivers LTE Cat4 connectivity, Bluetooth 5.4 for BLE sensor integration, built-in GNSS/GPS, eSIM support, a sensor-ready GPIO header, and RouterOS v7 — all in a passively cooled, 7W form factor that fits anywhere space is limited but reliability is critical.
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The MikroTik KNOT Embedded LTE4 (EC25-EU&KNe) is built for the spaces that most networking hardware cannot reach — automation cabinets, vending machines, kiosks, utility meters, parking sensors, and vehicle tracking systems. It packs LTE Cat4, Bluetooth 5.4, GNSS, GPIO, eSIM, and RouterOS v7 into one of the smallest and most affordable industrial gateways MikroTik has ever made.
Mount it on a DIN rail inside any control panel or cabinet, connect an external antenna via the SMA connector, insert a Nano SIM or activate the embedded eSIM, and it is ready to go. RouterOS provides the full networking stack — VPN tunnels, firewall rules, SMS control and notifications, scripted automation, and remote management — without any additional licensing or subscription cost.
The GPIO header adds a direct path to physical sensors and actuators: digital input, analog input, and open-drain output — all 24V tolerant — enabling simple automation and monitoring logic without an external PLC or microcontroller.
Key features:
- LTE Cat4 — 150 Mbps downlink, 50 Mbps uplink, 2×2 MIMO DL / 1×1 MIMO UL
- LTE FDD bands: B1 (2100 MHz), B3 (1800 MHz), B7 (2600 MHz), B8 (900 MHz), B20 (800 MHz), B28A (700 MHz)
- LTE TDD bands: B38 (2600 MHz), B40 (2300 MHz), B41 (2500 MHz)
- 3G R8 fallback — 42.2 Mbps downlink, 5.76 Mbps uplink; bands B1, B8
- 2G Class12 fallback — bands B3 (1800 MHz), B8 (900 MHz)
- Bluetooth 5.4 — BLE sensor integration, beacons, MikroTik BTH sensor support
- Built-in GNSS/GPS — SMA connector for external antenna, vehicle and asset tracking
- eSIM + 1× Nano SIM slot — flexible carrier provisioning without physical SIM swaps
- Sensor-ready GPIO header — digital input, analog input, open-drain output (all 24V tolerant)
- 1× Gigabit Ethernet with PoE-in (802.3af/at, 12–57V)
- USB-C power input (5V) as alternative to PoE
- DIN rail mountable — K-91 fastening set included
- Single-core ARM 32-bit Cortex A7, 800 MHz, 256 MB RAM, 512 MB NAND
- Passive cooling, -40°C to +70°C, max power consumption 7W, MTBF ~100,000 hours at 25°C
- RouterOS v7, License Level 3 — full networking stack, VPN, firewall, SMS control, scripted automation
- Certified CE, EAC, RoHS | IP20
- Requires external antennas — sold separately
In the box: K-91 fastening set, 5V 0.8A power adapter.
Ideal for: smart city infrastructure (parking, sensors, metering), coffee and vending machine monitoring, industrial automation cabinets, environmental and utility monitoring, vehicle and asset tracking, retail kiosks and payment terminals, digital signage, LTE backup for existing Ethernet devices, and IoT gateways for BLE sensors and beacons.
- CPU
- ARM 32-bit Cortex A7 up to 1.2 GHz
- Operating System
- RouterOS v7, License level 3
- Size of RAM
- 256 MB
- Storage size
- 512 MB
- Number of DC inputs
- 2 (PoE-In, USB Type-C (powering only))
- 3G Category
- R8 (42.2Mbps Downlink, 5.76Mbps Uplink)
- 3G bands
- 1 (2100MHz) / 8 (900MHz)
- GNSS standards
- BeiDou, Galileo, GPS, Glonass
- Dimensions
- 90 x 70 x 22 mm
- Number of SIM slots
- Nano SIM, eSIM
- 2G Category
- Class12
- LTE Category
- 4 (150Mbps Downlink, 50Mbps Uplink)
- LTE FDD bands
- 1 (2100MHz) / 3 (1800MHz) / 7 (2600MHz) / 8 (900 MHz) /20 (800MHz) / 28A (700 MHz)
- LTE TDD bands
- 38 (2600MHz) / 40 (2300MHz) / 41 (2500MHz)
- MIMO DL
- 2x2
- MIMO UL
- 1x1
- TAC
- 86554604
- Operating Temperature
- -40°C to +70°C
- RAM type
- DDR
- Number of 1G Ethernet ports
- 1
- 2G bands
- 3 (1800MHz) / 8 (900MHz)
- Bluetooth version
- 5.4
- LTE modem
- EC25-EU
- Power adapter nominal voltage
- 5 V
- Power adapter nominal current
- 0.8 A
- PoE-In
- 802.3af/at
- GNSS interface model
- EC25-EU
- PoE-In input Voltage
- 12-57 V
- RF connector type
- SMA female
- USB Type-C input voltage
- 5 V