Industrial Cellular Gateway

The Bivocom TG451 Series Gateway is a type of industrial 802.11/b/g/n cellular gateway, which adopts a high-powered industrial 32-bits CPU, with multi-layer software detection and hardware protection mechanism to ensure reliability and stability of the device.

It supports worldwide carrier 4G/3G/2Gcellular network FDD-LTE, TDD-LTE, and WCDMA, EVDO, TD-SCDMA, EDGE, CDMA 1Xand GPRS. With rich VPN protocols (IPSEC, PPTP, L2TP, GRE and OpenVPN) to ensure the security of data transmission, and rich interfaces, such as4x LAN ports, 1x WAN port, 1x USB port, 2x Relay (Option),1x RS232,1x RS485, 2x DI(Digital Input), 1x CAN(Option), Dual SIM(Single module and Dual module, option), GPS(Option)and WIFI, etc.

The TG451 Series Gateway can help users to quickly access the Internet, to ensure secure and reliable data transmission. It’s ideal for IOT (Internet of Things) and M2M (Machine to Machine) applications, and has been widely used in many applications, such as Intelligent Transportation, Smart Grid, Oil and Gas, ATM, Vending Machine, Agricultural Irrigation, Environmental Protection, Industrial Automation and Energy.

Product Specification


CPU: Industrial 32-bit

FLASH: 16MB (Extendable to 64MB)

SDRAM: 128MB (Extendable to 256MB)

Cellular Interface


Cellular Antenna Interface

Number of Ports: 2

Note: Standard SMA female antenna interface, characteristic impedance 50Ω

SIM Interface

  • Number of Ports: 1, or 2(D ual SIM is optional)
  • Note: Standard drawer type card holder, support 1.8V/3V SIM/UIM card, built-in 15KV ESD protection

Ethernet Port (RJ45)

  • Number of Ports: 5, 1x WAN, 4x LAN
  • Note: 10/100M, Auto MDI/MDIX, 1.5KV magnetic isolation protection

USB Port

  • Number of ports: 1x USB 2.0
  • Note: used for data storage (up to 128G) or gateway upgrade.

Relay (Option)

  • Number of ports: 2, up to 5A output
  • Note: to control the power supply of external devices.

DI (Digital Input)

  • Number of ports: 2
  • Input range: DC 0-30V
  • Note: to check the status of external devices.

CAN (Option)

  • Number of ports: 1x standard CAN interface


  • Standard: IEEE802.11b/g/n for wireless LAN
  • Transmission Rates: IEEE802.11b/g: Up to 54Mbps, IEEE802.11n: Up to 300Mbps
  • Security: WEP, WPA/WPA2
  • TX Transmit Power: 21.5dBm (11g), 26dBm (11b)
  • RX Sensitivity: <-72dBm@54Mpbs


GPS (Option)

  • Built in external GPS module

Serial Interface (6-pin Industrial terminal block)

  • Number of interfaces: 2, 1x RS232, 1x RS485
  • Note: Built-in 8KV ESD protection for RS232, and 15KV ESD protection for RS485

Serial Communication Parameters

  • Baudrate: 300~230400bits/s
  • Data Bit: 5, 6, 7, 8 bits
  • Stop Bit: 1, 1.5, 2 bits
  • Check: No, Even-parity, Odd Parity, SPACE and MARK

Power Requirements

Standard Power: DC 12V/1.5A

Power Range: DC 5~35V

Note: Built-in power inverting protection and over voltage protection

Power Consumption

  • Communication: 121~280mA@12VDC
  • Standby: 115~210mA@12VDC
  • Scheduled Shutdown: 2mA@12VDC

LED Indicators

  • Power, System, WIFI, Alarm, Online, Signal Strength


  • MTBF: >10,000hrs
  • EMC up to level 3
  • Use NTP technology, build-in RTC
  • SIM/UIM card port built-in 15KV ESD protection


  • Warranty Period: 12 months

Environmental Limits

  • Operating Temperature: -35~+75ºC (-31~+167 ºF)
  • Storage Temperature: -40~+80ºC (-40~+176 ºF)
  • Ambient Relative Humidity: 93%±3%, non-condensing

Physical Characteristics

  • Protection Class: IP30, Housing and system are isolated safely, ideal for industrial automation application
  • Housing: Iron
  • Weight: 790g (1.74lbs)
  • Dimension: 145x143x45mm (5.71x5.63x1.77 inches), Antenna and other accessories not included.

Bivocom IoT Product Range

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