Electrical, Reliability And Radio Characteristics; General Description; Power Supply Requirements - Quectel EC21 Mini PCIe Series Hardware Design

6
Electrical, Reliability and Radio
Characteristics

6.1. General Description

This chapter mainly describes the following electrical and radio characteristics of EC21 Mini PCIe:


Power supply requirements


I/O requirements

RF characteristics

GNSS receiver

ESD characteristics

Current consumption

Thermal consideration
6.2. Power Supply Requirements
The input voltage of EC21 Mini PCIe is 3.0V~3.6V, as specified by PCI Express Mini CEM Specifications
1.2. The following table shows the power supply requirements of EC21 Mini PCIe.
Table 20: Power Supply Requirements
Parameter Description
VCC_3V3 Power Supply
EC21_Mini_PCIe_Hardware_Design
Min. Typ.
3.0 3.3
LTE Standard Module Series
EC21 Mini PCIe Hardware Design
Max. Unit
3.6 V
42 / 67