BoltGATE 20-25

EN50155 Multi-service IoT Edge Gateway - Intel Atom, LTE Cat 4, IP66

The BoltGATE 20-25 is a Multi-service IoT Edge Gateway, EN50155 and IP66 certified, designed to exceed the requirements of rolling stock in the TX temperature class.

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Rolling Stock Certified - Certified for EN50155 (TX Temperature Class, EN50155 Class S2 wide range power supply) and EN45545 (Fire and Smoke). Suitable for any heavy duty, rugged application where long-term availability and support is a must have requirement
Integrated Stack - Visually compose powerful data flows for bus data acquisition, edge analysis and cloud communication
Fanless Performance - Low power performance, with single, dual and quad core Intel Atom E3800 options in a fanless and ventless package
Highly Connected - Carrier pre-certified LTE cellular connectivity, 2.4/5.0GHz Wi-Fi, BLE, and Dead Reckoning GPS
Open Platform - Provides an integrated open IoT Edge Framework to free the developer from proprietary solutions
Highly Customizable - Modular design for application customizations, ranging from factory options to custom front panel connectors and software builds
Long-term Availability - Designed for markets and use cases where long-term availability and support is a must have requirement
Cloud Certified - Seamless integration with Eurotech Everyware Cloud, Microsoft Azure, AWS IoT Core and other Cloud services


The BoltGATE 20-25 is a Multi-service IoT Edge Gateway, EN50155 certified, and designed to exceed the requirements of rolling stock in the TX temperature class. With IP66 rating, it is extremely rugged and suitable for any application where consistent performance and reliability are a must.

Based on the Intel Atom E3800 processor family, with up to 4GB of RAM and 8GB of eMMC, the BoltGATE 20-25 offers extra storage expansions through optional internal or removable 2.5” SATA SSD/HDD, mSATA, and a user-accessible microSD slot.

At 30W max, the BoltGATE 20-25 is a fanless, compact unit that provides a large number of communication and I/O interfaces: two Gbit Ethernet, protected USB 2.0, four isolated serial interfaces, eight isolated DI/O plus odometer and key signals, CAN bus, video, and optional MVB. It also features a wide range of connectivity capabilities including one cellular modem, Wi-Fi, Bluetooth Low Energy, and a dedicated internal GNSS with Untethered Dead Reckoning.

As a result of its modular design, the BoltGATE 20-25 can easily be customized for the requirements of the target application. With three full miniPCIe slots, it can accommodate additional connectivity or communication options and, through Eurotech Professional Services, it can offer custom front panel configuration and connectors or customized software images.

The BoltGATE 20-25 comes with Linux and Windows operating systems. It offers Everyware Software Framework (ESF), a commercial, enterprise-ready edition of Eclipse Kura, the open source Java/OSGi middleware for IoT EdgeGateways. Distributed and supported by Eurotech, ESF supports ready-to-use field protocols (including Modbus, OPC-UA, S7), MQTT connectivity, web-based visual data flow programming and deep configuration. ESF is also integrated with Everyware Cloud (EC), Eurotech's IoT Edge Management Platform (separately available), enabling advanced diagnostics, provisioning, and full remote device access and management.

The BoltGATE 20-25 is AWS IoT Core Qualified and can be integrated with 3rd party cloud services.

General Specifications
PROCESSOR CPU E3845, 1.91GHz, Quad Core - E3827, 1.75GHz, Dual Core - E3815, 1.46GHz, Single Core
STORAGE Embedded 8GB eMMC – Optional mSATA Module
Drive Bay 1x Removable Drive Bay for up to 2x 2.5” Drives (with Key Lock)
Other 1x microSD Slot (Service Panel)
I/O INTERFACES Ethernet 2x 10/100/1000Mbps, M12 X-coded Connector
USB 2x USB 2.0 Noise and Surge Protected, 1x USB 2.0 (Service Panel)
Serial 2x RS-232/422/485 (9-wire) Isolated, 2x RS-485/RS-422 (5-wire), 1x TTL Console (Service Panel)
CAN 2.0B 2x CAN bus 100mA with 5V Power Out, Isolated
Digital I/O 4x Digital Input, 4x Digital Output, 1x Odometer, 1x Ignition Key (All DI/O Isolated, EN50155), 24V
Video 1x Micro HDMI (Service Panel) – Optional: 1x HDMI (Circular Connector)
Audio 1x Line IN, 1x 2W Class D Stereo OUT – Factory Option: 1x Stereo Mic In, 1x Line OUT
EXPANSION MiniPCIe Slots 3x Full/Half-Size Mini PCIe Slots (USB/mSATA, USB/PCIe, USB)
RADIO INTERFACES Cellular 1x LTE Cat 4 Modem
GPS GPS/QZSS/GLONASS/BeiDou/Galileo with Dead Reckoning
Wi-Fi / BT 802.11 a/b/g/n, BLE 4.0
Antennas (External) 2x SMA Cellular, 2x RSMA Wi-Fi/BT, 1x SMA GPS
OTHER RTC Yes, with SuperCAP (up to 2 Months Retain)
Ext. Watchdog Yes
TPM Factory Option: TPM 1.2/2.0
Sensors Temperature, Accelerometer
LEDs 1x Power, 3x Activity (MiniPCIe Slots), 2x Programmable
Buttons 1x Reset, 1x Programmable (Service Panel)
SIM Slot 2x Single SIM, Switchable for Bandwidth Aggregation and Carrier/Cellular Backup (Service Panel)
POWER Input 9 - 137.5VDC Wide Input Range, EN50155 Class S2 for 24VDC and 110VDC Nominal Voltage Inputs
Consumption 15W Typ, 30W Max
ENVIRONMENT Operating Temp. TX according to EN50155 (-40 to +70°C, -40 to +85°C for 10 Minutes)
Storage Temp. - 40 to +85°C
Safety EN 62368
Vertical EN50155, EN45545 (Fire and Smoke)
Environmental RoHS3, REACH
Wi-Fi / BT Radio CE (RED)
Cellular Radio CE (RED)
Ingress IP66
MECHANICAL Enclosure Material: Aluminium - Color: Black Anodized
Dimensions 268x141x85mm (LxWxH) – With Connectors
Weight 3.7Kg
SOFTWARE OS Eurotech Everyware Linux or Windows 10 IoT Enterprise
SDK Yocto-based Eclipse Tooling, Azul Java
IoT Framework Everyware Software Framework (Java/OSGi)
IoT Platform AWS IoT Core Qualified, Everyware Cloud Native

§ UL, NRTL listing Factory Option

Standard Variants
Ordering codes CPU RAM Drive Bay Included Drives Cellular Software
BTGATE-20-25- 01 E3815, Single Core 2GB 1067MHz ECC Yes No Yocto
02 E3827, Dual Core 2GB 1333MHz ECC Yes No Yocto
03 E3827, Dual Core 2GB 1333MHz ECC Yes 1x 512GB SSD MLC High Reliability No Yocto
04 E3845, Quad Core 4GB 1333MHz ECC Yes 1x 512GB SSD MLC High Reliability No Yocto
Video-oriented Variants
Ordering codes CPU RAM Drive Bay Included Drives Video on Rear Panel Cellular Software
BTGATE-20-25- 11 E3845, Quad Core 4GB 1333MHz ECC Yes 1x 512GB SSD MLC High Reliability 1x HDMI (circular connector) 1x LTE Cat 4 (EU) Yocto
15 E3845, Quad Core 4GB 1333MHz ECC Yes 1x 64GB mSATA – 1x 512GB SSD MLC High Reliability 1x HDMI (circular connector) 1x LTE Cat 4 (EU) Windows 10 IoT ETP


BoltGATE 20-25 Datasheet
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  • • EN50155 Class TX with IP66
  • • Fanless Performance
  • • LTE, Wi-Fi/BLE, GNSS and Video
  • • Isolated I/O, CAN bus, Optional MVB
  • • Open Platform
  • • Highly Customizable
  • • Long-term Availability
  • • Cloud Certified
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