Field Connect Outdoor Gateway

GTW-400

Category: Uncategorized

E4A’s GTW-400 is a rugged dual-band IoT gateway engineered for high-reliability monitoring in demanding outdoor and industrial environments. Its Bluetooth® 5 interface enables efficient local integration with field sensors, while LTE provides secure, long-range connectivity for transmitting data to the cloud for remote visibility and analytics - ensuring continuous insight even when sites are far beyond traditional infrastructure.

Designed for true remote autonomy, GTW-400 supports solar-powered operation, enabling long-term deployments in off-grid and hard-to-reach locations without reliance on external power. With onboard support for RTD probes, analog voltage inputs, 4–20 mA a current loop transmitter and industrial digital signals, GTW-400 delivers a unified platform for environmental and industrial data acquisition.

BROCHURE

Technical Specifications

Power Supply

DC Input

12VDC to 24VDC, 25W maximum

Solar Input

18V panel, 15W maximum

Solar Maximum Power Point

17.6VDC

USB-C Specification

Power delivery 3.2

USB-C Power Profiles (PDO)

5V@3A, 9V@3A, 15V@3A, 20V@3A

Internal Battery Cell

INR21700 × 2 (2S1P), 9800 mAh

Internal Heater

Power

10W (24VDC, 400mA)

Secondary Protection

Temperature cutout, +85⁰C ±0.5⁰C

Typical Performance

-20⁰C to +5⁰C, 30 Minutes

Operating Specifications

Operating Temperature

-20⁰C to +60⁰C (normal condition)
0⁰C to +45⁰C (battery re-charge)

Storage Temperature

+10⁰C to +25⁰C (recommended)
-20⁰C to +25⁰C (12 months)

Permissible Humidity

20-85% RH (operating and storage)

Pollution Degree

2

Ingress Protection

IP67

Physical Characteristics

Housing Material

Flame Retardant Polycarbonate/ABS

Physical Dimensions

Height: 170 mm / 6.7 inches
Width: 130 mm / 5.1 inches
Depth: 52 mm / 2.1 inches

Weight

794g

Mounting

Mounting bracket

Inputs / Outputs

Digital Inputs

Input Standard

IEC 61131-2 Type 1, Type 3

Digital Outputs

Operating Voltage Range

5VDC to 48VDC

Maximum Current

1.6A

Analog Inputs

Input Range

4-20mA, ±10VDC

Resolution

24-bit

Typical Measurement Accuracy

<±0.5%

Edge Level Communication

Primary Sensor Communication

Transceiver

Bluetooth® 5 integrated transceiver

Frequency Band

2.4GHz

Communication Range

Up to 300m line of sight (Bluetooth® 5)

Data Rate

125kbps (Bluetooth® 5 long-range)

Protocol Type

Proprietary Bluetooth® 5 based

Output Power

Up to ±5dBm with temp. compensation

Receiver Sensitivity

-105dBm

Reporting Interval

User programmable

Range Extender / Repeater

Transceiver

LTE CAT 1

Supported Bands

LTE-FDD B2, B4, B12

Communication Range

Up to 3km

Max. Power into Antenna

+28dBm/630mW (B12)

Max. Supported Data Rate

10 Mbps DL, 5 Mbps UL

Carrier (Canada)

Rogers/Telus

Carrier (U.S.)

AT&T/T-Mobile/U.S Cellular

Cloud Level Communication

Wireless Connectivity

LTE Cat 1 2G/3G/4G

Telemetry Protocol

MQTT v5.0 over TCP/IP

Security

Encryption

Advanced Encryption Standard (AES)
Data Encryption Standard (DES)
Secure Hash Algorithm / Message Digest Algorithm (SHA / MD5)
Cyclical Redundancy Check (CRC)

User Interface

Pushbuttons

6 pushbuttons for gateway function
7 pushbuttons for menu navigation

Status LED

5 status LED’s (red, green, amber)

OLED Display

Graphic LCD 2.7″, 128×64 resolution

Product Certifications

FCC ID

2AXVKGTW400

Industry Canada

26661-GTW400

Safety Standards

CSA C22.2 No. 61010-1:12; UPD 1:2015; UPD 2:2016; UPD 3:2023; UPD 4:2024; A1:2018
CSA C22.2 No. 61010-2-030:18 UL 61010-1: Ed.3, 2012(R2024) UL 61010-2-030: Ed.2, 2018(R2023)

Features

5

Wireless Connectivity

Integrates seamlessly with Bluetooth® 5 sensors while LTE connectivity securely transmits data to the cloud for reliable remote monitoring.

5

Solar-Powered Operation

Supports solar-powered operation for long-term, autonomous deployments in remote outdoor locations without requiring continuous external power infrastructure.

5

Multi-Protocol Sensor Support

Interfaces with RTD probes, analog voltage inputs, 4-20 mA transmitters, and industrial digital signals through a single gateway.

5

Rugged Outdoor Design

Built for industrial and environmental conditions, delivering performance, durability, and reliable operation in every season.

5

Cloud-Based Data Transmission

Securely transfers field data to cloud platforms, enabling real-time monitoring, analytics, remote diagnostics, and centralized asset management.

5

Remote Site Connectivity

Provides dependable connectivity for remote and infrastructure-limited locations, ensuring continuous monitoring where conventional communication networks are unavailable.