GSM Based 4G Module For Smart Meter Cellular Data Collection System

Product Description

4G Communication Module for Smart Meter Celluar Data Collection System

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
 
- The 4G Cellular module is GSM-based wireless packet switched technology used to provide end-to-end wide area wireless IP connections, which can transfers data to users in “Packet” mode at a high-speed. The Cellular module has prominent advantages in many aspects such as the transfer rate, wireless resource management and billing.

 
Technical Parameters
 
4G Module

 
 
UART Interface
Various interfaces in 4G Module to connect Meter

 
 
Certificate
 
CE
 
Features
 
1. GSM/GPRS (850/900/1800/1900 MHz)/ UMTS (B1/B8 )/ FDD
LTE (B1/B3/ B8)
TDD LTE (B38/B39/B40/B41)
2. Over the Air Update
3. Supports TCP/UDP/FTP/DNS protocol
4. Remote SMS configuration
5. Control Via AT Commands
6. Supports USB2.0 slave mode
7. Update via USB Port
8. Data transfer
    •FDD LTE
     - Max.100Mbps (DL), Max.50Mbps (UL)
    •TDD LTE
     - Max.61Mbps (DL), Max.18Mbps (UL)
    •HSPA+
     - Max. 14.4Mbps (DL), Max.5.76Mbps (UL)
    •WCDMA
     - Max.384Kbps(DL), Max.384Kbps(UL)
    •EDGE Class:
     - Max. 236.8Kbps(DL),Max. 236.8Kbps(UL)
    •GPRS
     - Max. 85.6Kbps(DL), Max. 85.6Kbps(UL)
 
Reading Instruction

1. Power LED with green always on
2. Network LED with red always blink
3. RXD LED with red will be blink when it send data
4. TXD LED with green will be blink when it receive data
5. SIM card pedestal for installing SIM card
6. Main chip(on the bottom side) is a dual frequency for GSM/GPRS/UMTS/LTE chip
7. Antenna pedestal with SMA type
8. Super capacitor for pushing last gasp

 
Function

A 4G Module is composed of several elements, including:
 
1. CPU is a dual frequency for GSM/GPRS and UMTS chip
2. Watch Dog chip to control power supply
3. Antenna pedestal with SMA type
4. SIM card pedestal for installing SIM card
5. LED display to indicate network status
6. DC/DC power supply to adjust voltage for GPRS CPU

 
Situation
 
For smart meter required communication function. Pluggable.
 
Dimension