Evaluation Board - Quectel UC20 Manual

ANT_GNSS
VBAT_RF
PCM
WAKEUP_IN
W_DISABLE#
SLEEP_IND
VBAT_BB
VDD_2V85
PWRKEY
RESET_N
VRTC

2.5. Evaluation Board

In order to help you to develop applications with UC20, Quectel supplies an evaluation board (EVB),
RS-232 to USB cable, USB data cable, power adapter, earphone, antenna and other peripherals to
control or test the module. For details, please refer to document [2].
UC20_Hardware_Design
GSM
UMTS
Baseband
RF Transceiver
GNSS Receiver
Power
Management Unit
19.2MHz 32kHz
Figure 1: Functional Diagram
Confidential / Released
UMTS/HSPA Module Series
UC20 Hardware Design
RF
ANT_MAIN
Switch
RF
Switch
DDR RAM/
NAND Flash
ANT_DIV
UART
USB
VDD_EXT
ADC
USIM
STATUS
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