Quectel EC25 Hardware Design

LTE Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design Confidential / Released 29 / 42
4 Electrical and Radio Characteristics
4.1. General Description
This chapter mainly describes the following electrical and radio characteristics of EC25 Mini PCIe:
 Power supply requirements
 I/O requirements
 Current consumption
 RF characteristics
 GNSS receiver
 ESD characteristics
4.2. Power Supply Requirements
The input voltage of EC25 Mini PCIe is 3.3V±9%, as specified by PCI Express Mini CEM Specifications
1.2. The following table shows the power supply requirements of EC25 Mini PCIe.
Table 14: Power Supply Requirements
Parameter
Description
Min.
Typ.
Max.
Unit
VCC_3V3
Power Supply
3.0
3.3
3.6
V
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Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC