What is the Additional Feature ?

Name: EG91EXGA-128-SGNS
Brand: Quectel
SKU: EG91EXGA-128-SGNS
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Quectel EG91EXGA-128-SGNS

Part No.:: EG91EXGA-128-SGNS

Manufacturer:: Quectel

Package:

Datasheet:: EG91EXGA-128-SGNS.pdf

Description:: RF TXRX MOD CELLULAR SMD

In Stock:: 455

Quantity:: Add To Cart

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EG91EXGA-128-SGNS Specifications

Package/Case:
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
RFFamily/Standard:
Cellular
Protocol:
EDGE, GPRS, LTE, UMTS, WCDMA
Modulation:
-
Frequency:
-
DataRate:
42Mbps
Power-Output:
-
Sensitivity:
-
SerialInterfaces:
I²C, PCM, SPI, UART, USB
AntennaType:
Antenna Not Included
UtilizedIC/Part:
-
MemorySize:
-
Voltage-Supply:
3.3V ~ 4.3V
Current-Receiving:
29mA
Current-Transmitting:
29mA
MountingType:
Surface Mount

EG91EXGA-128-SGNS this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including EG91EXGA-128-SGNS price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for EG91EXGA-128-SGNS to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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EG91EXGA-128-SGNS information

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EG91EXGA-128-SGNS Typical application Circuitry

The EG91EXGA-128-SGNS is not a typical microcontroller or digital processing chip; it is an LTE Cat 1 module from Quectel. This module is designed specifically for use in the Internet of Things (IoT) applications that require cellular network connectivity to transmit or receive data. It is well-suited for applications such as smart metering, wearable devices, asset tracking, and various other IoT solutions that require medium data rate transmission capabilities.

Key Features and Specifications:

- LTE Category 1 Wireless Module: Supports LTE Cat 1, enabling up to 10 Mbps download and 5 Mbps upload speeds, suitable for IoT applications that need moderate bandwidth.

- Multi-Band Support: Covers various LTE bands, enhancing its usability across different global cellular networks.

- Interfaces: Offers a wide range of interfaces including UART, USB, I2C, and SPI, providing flexibility in connecting to different microcontrollers or processors.

- Form Factor: Comes in an LGA package which is advantageous for compact designs.

- Power Supply: Typically requires a power supply in the range of 3.3V to 4.2V, with robust power management necessary to handle cellular module power demands.

Application Scenario: Smart Metering System

In a smart metering system, the EG91EXGA-128-SGNS can be used to enable communication between the meter and a central system for real-time data reporting and management.

Circuit Design Methodology:

1. Power Supply Connection (VBAT, GND):

- VBAT: Connect the VBAT pin to a regulated power supply that provides a stable voltage between 3.3V and 4.2V. Include power conditioning and surge protection to handle fluctuations and spikes in the supply.

- GND: Connect all ground pins to the common ground plane to ensure stability and minimize noise in the circuit.

2. Antenna Connection (ANT):

- ANT: Connect the ANT pin to an LTE antenna that matches the module's frequency bands. Proper antenna selection and placement are critical for optimal wireless performance.

3. Data Communication Interface (UART, USB):

- UART: Utilize the UART interface for serial communication between the module and the microcontroller in the smart meter. This setup is typically used for sending AT commands and handling data transmission.

- USB: Optionally, the USB interface can be used for initial configuration, firmware updates, or diagnostics when integrated into a more complex system.

4. SIM Card Interface (SIM CLK, SIM DATA, SIM RST):

- SIM Interfaces: Connect these pins to a micro or nano SIM card holder. Ensuring secure and reliable connections to the SIM card is essential for cellular network access and authentication.

5. Programming and Monitoring (STATUS, PWRKEY):

- STATUS: Connect the STATUS pin to an input on the microcontroller to monitor the operational status of the module.

- PWRKEY: The PWRKEY pin can be connected to a GPIO pin on the microcontroller for turning the module on or off programmatically.

Design Considerations:

- EMI and Noise Management: Incorporate shielding and grounding techniques to mitigate electromagnetic interference, especially crucial in cellular applications to avoid signal degradation.

- Power Efficiency: Optimize power usage, particularly for battery-operated devices like smart meters, by effectively managing the power states of the cellular module.

- Thermal Management: Evaluate the heat dissipation in the design, as cellular modules can generate significant heat under continuous operation.

- Device Security: Implement hardware and software security measures to protect data transmitted between the smart meter and the network, crucial for maintaining data integrity and privacy.

- Reliability and Redundancy: Ensure that the system design includes mechanisms for redundancy in communication, especially in critical applications like smart metering where data needs to be reliably reported.

Integrating the EG91EXGA-128-SGNS in a smart metering system efficiently enables the meter to communicate with central systems, facilitating real-time data exchange and remote management, which are essential for modern energy management and billing systems. This application highlights the module's utility in enhancing connectivity and operational efficiency in IoT devices.

EG91EXGA-128-SGNS FAQ

1. How to order EG91EXGA-128-SGNS on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that EG91EXGA-128-SGNS is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the EG91EXGA-128-SGNS. All suppliers must pass our qualification reviews before they can publish their products including EG91EXGA-128-SGNS on icwhale.com; we pay more attention to the channels and quality of EG91EXGA-128-SGNS products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the EG91EXGA-128-SGNS price and inventory displayed accurate?

The price and inventory of EG91EXGA-128-SGNS fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of EG91EXGA-128-SGNS?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the EG91EXGA-128-SGNS we delivered, we will accept the replacement or return of the EG91EXGA-128-SGNS only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of EG91EXGA-128-SGNS.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations