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Modular Design 4G Communication Module Support USIM / SIM Card WFGM-700CB

Minimum Order Quantity : 100 Price : Negotiable
Packaging Details : Carton Packaging Delivery Time : 30 days
Payment Terms : T/T Supply Ability : 2000 per day (based on the number of the order)
Place of Origin: Changsha, Hunan Brand Name: Willfar Information Techonology Co., Ltd.
Certification: CCC Model Number: WFGM-700CB

Detail Information

Color: White USB Interface: Compatible With USB2.0
Power Supply: VBAT3.3V~4.2V USIM Card Interface: Support USIM / SIM Card: 1.8V And 3V
High Light:

4g module


wireless networking module

Product Description

Communication Module 4G Communication Module WFGM-700CB


Company Profile
Willfar Information Technology Co., Ltd.
- Established in 2004;
- Listed on the STAR Market of the Shanghai Stock Exchange in December 2019;
- Leading supplier of meter reading (AMI) equipment and operation service;
- The first company to develop "One DCU Reading Multi-meter" solution in China;
- The first company to have large-scale application of technologies and systems like "CPU smart-card Charge and Control", "One DCU Reading Multi-meter", LoRa-based RF Communication and "District Metering Area (DMA)”



- WFET-700CB  4G module products adopt mature and stable 32-bit high-performance processor hardware platform and components of well-known brands.


- Delicate designed and achieved technological breakthroughs in machine stability, hardware reliability, software fault-tolerant ability and technological advancement.


- The products have the characteristics of powerful function, easy to operate, stable system, convenient maintenance, small size, convenient on-site installation and so on.


- It could provide an ideal solution for remote transmission of energy efficiency data collection at decentralized metering points.


Technical Parameters

Item Parameters
Master Station Specification Q/GDW 1376.1-2013
Electricity Specification Q/GDW 1373-2013, Q/GDW 1374-2013
Power Supply

Nominal Voltage: 220V;

Frequency: 50Hz

Support Network 2G/3G/4G, support all network operators
Local Interface

1-way for meter reading, RS-485 interface,

1-way for maintenance interface,

1-way for modulated infrared light,

1-way for USB interface

Remote Upgrade

Multi-process mode,

The upgrade does not affect the normal work,

Support breakpoint resuming

Storage Capacity

Bulky Capacity FLASH,

Data could be stored for 10 yrs when power outage happening

Environment Relative Humidity: ≤95%
Normal Working Temperature: -25℃~+60℃
Limit Working Temperature: -40℃~+70℃
Power Consumption (Static) ≤3W
Reliability MTBF≥7.6×104h
Structure Dimension: 100mm×50mm×40mm (L x W x H)
Sealed Design, Waterproof, UV resistant, Flame retardant




Q/GDW 1373-2013, Q/GDW 1374-2013, Q/GDW 1376.1-2013, CCC.




1. Can be connected to various domestic and international meter protocols and specification at the same time.


2.  Modularization hardware: independent, modular design, matching with the base meter, does not affect the metering function, supports hot-swappable function.


3. Modularization software: the application software adopts modular programming, and each application module runs independently and does not affect each other.


4. Safe and reliable control technology with multi-level protective measures;


5. Active fault reporting, which can locate and solve the fault instantly.


6. The use of large-capacity electronic disk and embedded file management technology can ensure the preservation of historical data for a long time.


6. Function module remote upgrade and remote maintenance, flexibly meet the requirements of system expansion on function in the future;


7. Sealed design


8. Waterproof and UV-resistant, flame retardant material.




1. Adopt the design scheme of independent research and development of 7 modules and 4G modules;


2. The use of high-performance A7 hardware platform, embedded LINUX operating system,


3. Efficient, real-time, and reliable;


4. Massive memory ability, FLASH and RAM both have 128M bytes, which can store data for a long time.


5. Single-phase 220V power supply, optimal wiring design;


6. With Farah capacitor backup power supply, to ensure the safety of FLASH data in the case of repeated power outage.





Suitable for communication base stations, enterprises and institutions, commercial users, large users and residential users, and requires remote wireless data transmission.




L x W x H: 32mm×29mm×2.4mm

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