Quectel RG255C-GL - Functional Diagram

5G Module Series
RG255C-GL_Mini_PCIe_Hardware_Design 13 / 57
2.3. Functional Diagram
The following figure shows the block diagram of the module.
PCM&I2C
Mini PCI Express Interface
USB
W_DISABLE#
PERST#
LED_WWAN#
Main
Antenna
Connector
VCC_3V3
Main
Antenna
VBAT
GNSS
Antenna
Connector
GNSS
Antenna
Boost
Circuit
Diversity
Antenna
Connector
Diversity
Antenna
WAKE#
UART
DTR
RI
(U)SIM1
RG255C Module
Intergrated
(U)SIM2 Card
Connector
Figure 1: Functional Diagram
RoHS
All hardware components are fully compliant with EU RoHS directive