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Quectel EC21 Series - User Manual

Quectel EC21 Series
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EC21 Series
Hardware Design
LTE Standard Module Series
Version: 1.9
Date: 2021-08-17
Status: Released

Table of Contents

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Quectel EC21 Series Specifications

General IconGeneral
CategoryControl Unit
Form FactorLCC
Operating Temperature-40°C to +85°C
Storage Temperature-45°C to +90°C
Power ConsumptionTBD
Network Support (LTE TDD)B38/B40/B41
Network Support (GSM)850/900/1800/1900 MHz
Module TypeLTE Cat 1
Supply Voltage3.3V
InterfaceUSB 2.0
SIM Interface1.8V/3.0V
Data Rate (Downlink)10 Mbps
Data Rate (Uplink)5Mbps
Network Support (LTE FDD)B1/B3/B5/B8/B20
GNSSGPS/GLONASS/BeiDou
CertificationsCE, FCC, GCF, PTCRB

Summary

2 Product Overview

2.2. Key Features

Details key features of the EC21 series module, including power supply and transmission.

3 Application Interfaces

3.2. Pin Assignment

Visual representation of the EC21 series module's pin assignment (top view).

3.3. Pin Description

Detailed description of each pin's I/O type, function, and characteristics.

4 RF Specifications

4.1. Cellular Network

Details antenna interfaces, frequency bands, and operating frequencies for cellular network.

4.2. GNSS

Covers GNSS antenna interface, frequencies, and performance metrics.

5 Electrical Characteristic and Reliability

5.4. Power Consumption

Presents current consumption values for various operating states and conditions.

6 Mechanical Information

6.1. Mechanical Dimensions

Provides the physical dimensions and tolerances of the EC21 module.

6.2. Recommended Footprint

Offers a recommended PCB footprint for the EC21 series module.

7 Storage, Manufacturing and Packaging

7.2. Manufacturing and Soldering

Guides on manufacturing processes, soldering, and thermal profiles.

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