NB Communication Module for Internet Smart Meter

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)”

Introduction

- WFET-800SN NB-IoT module supports NB network of all communication operators.

- The hardware adopts multi-layer board design to ensure the signal integrity and improve the anti-interference ability of the system;

- The performance index is strictly designed to meet all kinds of harsh operating environment;

- WFET-800SN is widely used in communication base station enterprises and institutions, commercial users, large users and residential users of data measurement and measurement, and places required remote wireless data transmission.

Technical Parameters

Certificate

Q/GDW 1373-2013, Q/GDW 1374-2013, Q/GDW 1376.1-2013, DL/T 645-1997, DL/T 645-2007

Features

1. It can be connected to many kinds of domestic and overseas meter protocols at the same time.

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

3. It has the function of active fault reporting, which can locate and solve the fault instantly.

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

5. Function module can be remotely upgraded and remotely maintained, enables function expansion of system in the future;

6. Advanced data compression and encryption technology.

Function

1. The use of high-performance 32-bit embedded high-performance hardware platform, the use of stable and reliable real-time embedded operating system software platform.

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

Software modularization: the application software adopts modular programming mode, and each application module runs independently and does not influence each other, so it can monitor the operation status of each module. When the module runs abnormally, it can recover automatically, thus ensuring the reliability of the software operation. Support NB-IoT communication network, automatic adaptation.

3. With the integration of NB-IoT communication technology, the power supply of the communication module can be controlled separately, which can further prevent the data communication module from crashing.

4. It can be connected to many kinds of meter protocols at home and abroad at the same time.

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

6. It has the function of fault active reporting, which can find and solve the fault in time.

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

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

9. Advanced data compression and encryption technology.

Situation

Widely used in communication base station enterprises and institutions, commercial users, large users and residential users of data measurement and measurement, and places required remote wireless data transmission.

Dimension

Single Phase: 60mm×50mm×20mm (L x W x H)

Three Phase: 94.8mm×65mm×24mm (L x W x H)