TR321 Industrial 4G LTE Cellular Router 2-LAN
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020

TR321 Industrial 4G LTE Cellular Router 2-LAN

Available:Accepting Orders

TR321 Industrial 4G LTE Cellular Router 2-LAN

Freq. Bands: B1-B2-B3-B5-B7-B8-B28 (Telstra and all other AU providers)

TR321 Series Router is a compact industrial cellular router, which adopts 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 cellular network FDD-LTE, TDD-LTE, and WCDMA, EVDO, TD-SCDMA, EDGE, CDMA 1X and GPRS. With rich VPN protocols (IPSEC, PPTP, L2TP, OpenVPN) to ensure the security of data transmission, and rich interfaces, such as RS232, RS485, Ethernet Port, I/O(Option) and WIFI(Option), etc.

TR321 Series Router enables 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, Energy Saving, Smart Home, etc.

List of Australia 4G LTE Frequencies


  • Support Open WRT for multiple developments
  • 4G/3G/PPPoE/DHCP and Static address connection mode, switchover between wired and wireless connectivity, with rich working modes to choose
  • APN/VPDN to ensure the security of data transmission
  • Multiple VPN protocols, IPSec, L2TP, PPTP and OPEN VPN. DHCP server, DHCP binding MAC address, DDNS, Firewall, NAT, DMZ host, QoS, Traffic Analysis, Real-time display of data transfer rate, etc
  • TCP/IP, UDP, FTP, HTTP network protocols
  • SPI Firewall, DoS attack, VPN traversal, Access Control, Port Mapping, DMZ Mapping, Access Control List(ACL), IP-MAC binding and Clone function, etc
  • Heartbeat link detection, offline automatic reconnection
  • Hardware and software auto inspection technology, enable operation fault auto repairing
  • Status query of system, network connection, routing
  • Telnet, web, ssh configurations
  • Web upgrade, local system log, remote log, the serial port output log
  • Support MQTT protocol


CPU and Memory
CPU Industrial 32-bit
FLASH 16MB(Extendable to 32MB)
SDRAM 128MB(Extendable to 256MB)


Power Requirements
Standard Power DC 12V/1.5A
Power Range DC 5~35V
Built-in power inverting protection and over voltage protection
Serial Port
RS232 and RS485 (or RS422)  Industrial terminal block, suitable for industrial applications
 Built-in 15KV ESD protection and TTL GPIOs is customizable
Serial Port Rate 300~230400bits/s
Data Bit 5, 6, 7, 8 bits
Stop Bit 1, 1.5, 2 bits
Check No check, Even-parity Check, Odd Parity Check, SPACE and MARK check
Ethernet Port
WAN 1x10/100M WAN (RJ45), Auto MDI/MDIX, 1.5KV magnetic isolation protection
Note: WAN can be customized to LAN.
LAN 1x10/100M LAN (RJ45), Auto MDI/MDIX, 1.5KV magnetic isolation protection
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 18dBm(11g), 21dBm(11b)
RX Sensitivity <-72dBm@54Mpbs
Indicators Power, Signal Strength, System, Online, Alarm, WAN and LAN.
Antenna Interface Standard SMA female antenna interface, characteristic impedance 50Ω
SIM/UIM Card Holder Standard drawer type card holder, support 1.8V/3V SIM/UIM card, built-in 15KV ESD protection


Environmental Limits
Operating Temperature: -35~+75ºC(-31~+167 ºF) Storage Temperature: -40~+80ºC(-40~+176 ºF)
Ambient Relative Humidity: 93%±3%, non-condensing
Power Consumption
Standby 110~200mA@12VDC
Communication 123~250mA@12VDC
Scheduled Shutdown 2mA@12VDC
Type Level Voltage/Current Waveform Value
Power Frequency Magnetic Field 3 Continuous sine wave 30A/m
Damped Oscillatory Magnetic Field 3 Continuous sine wave 30A/m
Pulse Magnetic Field 3 Pulse 100A/m
Radiated Electromagnetic Field 3 80MHz~1000MHz Continuous-wave 10V/m
Level 3, suitable for equipment installed in a typical industrial environment: Plant, Power Plant, or residential area.
Protection Class
IP30, Housing, and system are isolated safely, ideal for industrial automation application
MTBF(mean time between failures): >10,000hrs
Ultra-low consumption design includes sleep mode, scheduled online and offline mode
EMC up to level 3
Use NTP technology, built-in RTC
SIM/UIM card port built-in 15KV ESD protection
Physical Characteristics
Housing Metal, IP30
Dimensions 100x100x23mm(3.94x3.94x0.91 inches), Antenna and other accessories not included
Weight 320g(0.71lbs)


Package Checklist
1. TR321 Router Host
2. AU Power Adapter (DC 12V/1.5A)
3. Cellular Antenna (Male SMA)
4. Console Cable (RS232)
5. Ethernet Cable (1 meter)
6. 5-Pin Terminal Block



 Note: This Router has all certifications including RCM AU certification.