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

CE RCM FCC
    Home > Products > TG452b Battery Backed Edge Gateway
    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
    1
    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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