TG452B

Battery Backed Edge Gateway

TG452B is a rugged, programmable industrial edge gateway equipped with an integrated 18650
rechargeable Li-ion backup battery slot. Designed to eliminate data loss during power outages,
it bridges field sensors, meters, and controllers to cloud platforms with seamless 4G/5G RedCap
cellular failover and rich protocol translation.

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TG452B Battery Backed Edge Gateway

" Stay connected. Keep monitoring Keep your data protected. "

Features

·4G LTE, or 5G RedCap (Optional), Dual SIM
·2-ETH, 1-RS232, 2-RS485, 2-DI, 6-ADC, 3-Relay, 1-TF Slot, 1-CAN*, 2-DC Power Output, 2.4G WIFI, GNSS
·18650, 3.7V Li-ion Battery slot for power backup
·Programming Bivocom OS: C/C++, Python, Node-RED, Ubuntu*, Docker*
·Modbus RTU/TCP, JSON, BACnet IP/MSTP*, OPC UA*, IEC 101/104/61850*, DNP3* and customized industrial protocols
·MQTT, FTP*, HTTP(S), Wireguard, Tailscale*, SNMP*, Telnet, SSH

Certifications

Systems

CPU

32-bit ARM Cortex A7

Flash

1GB (8GB Optional)

RAM

256MB (512MB Optional)

Cellular

Antenna

2 x 50 Ω SMA-K

SIM Slot

2 Mini SIM (2FF)

Ethernet

Ports

2 x 10/100 Mbps

1 x WAN, 1 x LAN, or 2 x LAN Configurable

Serial

Ports

1 x RS232, 2 x RS485

Baud Rate

1200bps to 230400bps

I/O

Digital Input

2-DI (Isolation, Dry contact), Optional Wet contact (Status "1": 0-3V, Status "0": 5-30V)

Relay Output

3-Relay (COM+NO+NC, Up to 5A, 30VDC/250VAC switch)

Analog Input

6 x 12-bit (4-20mA/0-5V Configurable)

CAN (Optional)

1, CAN2.0B, SAE J1939*

Power Output*

1 x 12VDC/1A and 1 x 5VDC/1A for powering field sensors & devices

Note: Disabled on battery mode

Wi-Fi

Antenna

1 x 50 Ω RP-SMA-J

Standard

IEEE 802.11b/g/n, AP/Client modes

Bands

2.4GHz

Security

Open, WPA, WPA2, Radius

GNSS

Module

GNSS from cellular module

Antenna

1 x 50 Ω SMA-J

External Storage

TF Slot

1 x Micro SD slot, Up to 32GB

Usage

User Program and Data Storage

Power

Input

5-60VDC

Standard Power

12VDC/1.5A

Idle Mode*

220～265mA@12VDC

Working Mode*

280～330mA@12VDC

Backup Battery*

1 × 18650, 3.7 V Li-ion

Note: Battery not included; sold separately.

Software

Programming

Bivocom OS (OpenWrt based Linux OS, Or Optional Ubuntu OS)

C/C++, Python, Node-RED, Docker(Ubuntu)*, LUA* and SDK

Data Protocols

Modbus RTU/TCP, SMS, SNMP*, IEC101/104*, IEC61850*, DNP3*, BACnet IP/MSTP*, OPC UA*, etc.

Network Protocols

VXLAN, GNSS, IPV6*, DDNS, DNS, ARP, Static Routing, NAT, Firewall, Telnet/SSH, PPP, PPPoE, DHCP, ICMP, NTP, etc.

Server Supported

MQTT, HTTP(S), Transparent TCP/UDP, FTP*

VPN

Wireguard/OpenVPN/IPsec/PPTP/L2TP/Tailscale*

Firewall

ACL/DMZ/Port Mapping/MAC Binding

Management

Web, CLI, SMS, Bivocom DMP (Device Management Platform)*

Reliability

Dual SIM*, WWAN and WAN Failover, Hardware & Software Watchdog

Physical Characteristics

IP Rating

IP30

Housing & Weight

Metal, 829g (1.83lbs), without accessories

Dimensions

143 x 114 x 55.10mm (5.63 x 4.49 x 2.17in)

Mounting

Desktop, DIN-Rail

Environmental

Operating Temp.

-35°C to +75°C (-31℉ to +167℉)

Storage Temp.

-40°C to +80°C (-40℉ to +176℉)

Relative Humidity

5% to 95% (non-condensing)

Others

Reset Button

LED Indicators

Power, WIFI, System, Alarm, Online, Signal

Built-in

Watchdog, RTC, Timer

Approvals

CE*, RCM*, FCC*

Warranty Period

Standard: 2-Year limited warranty

Extended: 3-5 Years

Overview
Specifications
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Ordering

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