TG501 Industrial Cellular 4G Mini RTU with rich I/O
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020

TG501 Industrial Cellular 4G Mini RTU with rich I/O

Available:Accepting Orders

TG501 Industrial Cellular 4G Mini RTU with rich I/O

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

Compatible with global 4G/3G and LTE CAT M1/NB-IoT
2-RS232, 1-RS485, 3-ADC, 2-DI, 2-Relay, 1-power output
Modbus TCP/RTU, MQTT, TCP/UDP protocols
Up to 16MB Local data storage, support 5 data centres
SMS alarm and AT command

1. Rich and flexible industrial interfaces

2x rain gauges, 1x 12-bit gray code, 2x RS232, 2x RS485, 1x SDI-12, 8x analog input, 8x digital input, 2x digital output, 8x relay output, etc.

2. Large capacity of local data storage
Supports up to 16MB data storage and additional SD card data storage (Up to 16G), ideal for long term data storage and parameters setting.

3. Secure and transparent data transmission
Built in standard TCP/IP stack, supports up to 5 data centers for synchronous and transparent data transmission.
Local historical data exporting (via serial port or SD card), remote real time and historical data query.
Integrated with data acquisition and 4G/3G data transmission, reliable and cost-saving, to realize hydrology and water resources data acquisition, storage, display, control, alarm and transmission, etc.

4. Easy to configure and use
Support multi types of configuration, including configured through local LCD and keyboard, serial port, remote configuration, etc.

5. Low power consumption design
Supports types of work modes, sleep mode, timing collecting and sending data to center, auto report, etc.

6. Remote management
Support remote management, including remote configuration through data center and SMS(under development), remote firmware upgrade, and center management software(option) to manage the devices remotely.

7. Extendable functionalities 

Support monitoring status of current of external battery.
Support image capture(via serial port camera).
Support external LCD display screen via USB port.

8. Robust and reliable
High standard Industrial grade design, suitable for unattended and harsh industrial applications.
Complete system protection and keep online mechanism, to ensure always online
Support anti-electromagnetic interference, suitable for harsh environment.


CPU: Industrial 32-bit

DataStorage Flash: 16MB

Cellular Interface

Cellular Antenna Interface
Number of ports: 1
Note: Standard SMA female antenna interface, characteristic impedance 50Ω

SIM Interface
Number of Ports: 1
Note: Standard drawer type card holder, support 1.8V/3V SIM/UIM card, built-in 15KV ESD protection

DI(Digital Input)
2 Logic 0: Wet contact 0-3VDC, or dry contact close Logic 1: Wet contact DC 5-30V, or dry contact open


2 Max switching voltage: 30VDC/250VAC Max switching current: 5A

Serial Interface (Industrial terminal block)
Number of ports: 2 × RS232(1 for debug) + 1 × RS485

3 x 16-bit AD, supports 4-20mA current signal input, and 0-5V voltage signal input is optional
Note: Built-in 8KV ESD protection for RS232, and 15KV ESD protection for RS485

Power Requirements
Standard Power: DC 12V/1.5A
Power Range: DC 5~35V
Note: Built-in power inverting protection and over voltage protection

Low power consumption design, including sleep mode, scheduled online/offline modes.
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


  • TG501 RTU SpecSheet