Product Info

LTE Standard Module Series
EC21 Mini PCIe Hardware Design
EC21_Mini_PCIe_Hardware_Design 43 / 64
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 3.3V±9%, as specified by PCI Express Mini CEM Specifications
1.2. The following table shows the power supply requirements of EC21 Mini PCIe.
Table 19: Power Supply Requirements
Parameter Description Min. Typ. Max. Unit
VCC_3V3 Power supply 3.0 3.3 3.6 V