Quectel EC25 Hardware Design

LTE Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design Confidential / Released 16 / 42
24
3.3Vaux
RESERVED
Reserved
25
PERp0
UART_RTS
DO
UART request to send
Connect to
DTE’s CTS
26
GND
GND
Mini card ground
27
GND
GND
Mini card ground
28
1.5V
NC
29
GND
GND
Mini card ground
30
SMB_CLK
I2C_SCL
DO
I2C serial clock
Require
external
pull-up to
1.8V.
31
PETn0
DTR
DI
Sleep mode control
32
SMB_DATA
I2C_SDA
IO
I2C serial data
Require
external
pull-up to
1.8V.
33
PETp0
RESERVED
Reserved
34
GND
GND
Mini card ground
35
GND
GND
Mini card ground
36
USB_D-
USB_DM
IO
USB differential data (-)
37
GND
GND
Mini card ground
38
USB_D+
USB_DP
IO
USB differential data (+)
39
3.3Vaux
VCC_3V3
PI
3.3V DC supply
40
GND
GND
Mini card ground
41
3.3Vaux
VCC_3V3
PI
3.3V DC supply
42
LED_WWAN#
LED_WWAN#
OC
Active-low. LED signal for
indicating the state of the
card.
43
GND
GND
Mini card ground
44
LED_WLAN#
RESERVED
Reserved
45
RESERVED
PCM_CLK*
IO
PCM clock signal
46
LED_WPAN#
RESERVED
Reserved
47
RESERVED
PCM_DOUT*
DO
PCM data output
Quectel
Confidential

Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC