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