Quectel LTE Standard Module Series User Manual

LTE Module Series
EG21-G Hardware Design
EG21-G_Hardware_Design 15 / 100
Baseband
PMIC
Transceiver
NAND
DDR2
SDRAM
PA
PAM
LNA
Switch
ANT_MAIN ANT_DIVANT_GNSS
VBAT_BB
VBAT_RF
APT
PWRKEY
ADCs
VDD_EXT
USB (U)SIM PCM UARTsI2C
RESET_N
19.2M
XO
STATUS
GPIOs
SAW
Control
IQ Control
Duplex
SAW
Tx
PRx DRx
SD
Figure 1: Functional Diagram
“*” means under development.
2.4. Evaluation Board
In order to help customers develop applications with EG21-G, Quectel supplies an evaluation board
(EVB), USB to RS-232 converter cable, earphone, antenna and other peripherals to control or test the
module.
NOTE

Quectel LTE Standard Module Series Specifications

General

Brand	Quectel
Model	LTE Standard Module Series
Category	Wireless modules
Language	English