Quectel EC200U-CN

LTE Standard Module Series
EC200U_Series_Hardware_Design 13 / 94
Baseband
PMIC
Transceiver
PA
PAM
ANT_MAIN
VBAT_BB
VBAT_RF
PWRKEY
ADCs
VDD_EXT (U)SIMs UARTsI2Cs
Control
Duplex
Tx
PRx
SD
Card
STATUS
RESET_N
SAW
WLAN
ANT_BT/WIFI_SCAN
26 MHz
DCXO
SPI Nor Flash (64Mb)
PSRAM (128Mb)
LOUDSPK
MIC
ANT_GNSS
LCD
32 kHz Clock
GNSS
USB Keypads
SAW
LNA
APT
SPI PCM
Figure 1: Functional Diagram
2.4. EVB
In order to help customers to develop applications with EC200U series, Quectel provides an evaluation
board (UMTS & LTE EVB), USB to RS-232 converter cable, earphone, antennas and other peripherals to
control or test the module. For more details, please refer to document [1].