Quectel EC25 Mini PCle 4G/LTE Module

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SKU: Quectel EC25 Mini PCle 4G/LTE Module
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This Quectel EC25 Mini PCIe is a series of LTE category 4 module adopting standard PCI Express® MiniCard form factor (Mini PCIe). It is optimized specially for M2M and IoT applications and delivers 150Mbps downlink and 50Mbps uplink data rates.

The module is backward-compatible with existing EDGE and GSM/GPRS networks, ensuring that it can be connected even in remote areas devoid of 4G or 3G coverage.

EC25 supports Qualcomm® IZat™ location technology Gen8C Lite (GPS, GLONASS, BeiDou, Galileo and QZSS). The integrated GNSS greatly simplifies product design and provides quicker, more accurate and more dependable positioning.

EC25 supports multiple-input multiple-output (MIMO) technology, a cutting-edge antenna technology capable of transmitting multiple data streams on multiple transmitters to multiple receivers. The antennas at each end of the communication circuit are combined to minimize errors and optimize data speed. The module also combines high-speed wireless connectivity with embedded multi-constellation high-sensitivity GNSS receiver.

A rich set of Internet protocols, industry-standard interfaces and abundant functionalities (USB drivers for Windows XP, Windows Vista, Windows 7/8/8.1/10, Linux(Raspian), Android/eCall) extend the applicability of
the module to a wide range of M2M applications such as an industrial router, industrial PDA, rugged tablet PC, minicomputers like Raspberry Pi, video surveillance and digital signage.

You can easily insert a Mini PCIe module in Sixfab Base Shield then start using cellular internet with your Raspberry Pi. Both UART and USB communication with modules is available.


  1. With the Sixfab Base Shield, you can easily use EC25 with your projects.
  2. EC25 is fallback compatible with UMTS/HSPA+ UC20 module and multi-mode LTE EC20 module in the compact and unified form factor, providing a flexible and scalable platform for migrating from UMTS/HSPA+ to LTE.
  3. Multi-constellation GNSS receiver available for applications requiring fast and accurate fixes in any environment
  4. MIMO technology meets demands for data rate and link reliability in modem wireless communication systems
  5. 3GPP E-UTRA Release 11
  6. Bandwidth: 1.4/3/5/10/15/20MHz
  7. Temperature Range: -40°C ~ +80°C
  8. Dimensions: 51.0mm x 30.0mm x 4.9mm
  9. Approx. 9.8g
  10. Supply Voltage: 3.0V~3.6V, 3.3V Typ.
  11. 3GPP TS27.007 and Enhanced AT Commands

Key Applications

  1. Video/Music Streaming
  2. Large Data Downloads and Uploads
  3. LTE Dongle/Router
  4. Mobile Internet Hotspot
  5. High-speed GPS Tracking
  6. Real-time Environmental Monitoring
  7. Smart City & Agriculture Applications
  8. Smart Parking
  9. Security & Asset tracking

Regional Options

Variant for Europe/Middle East/Africa/Korea/Thailand

EC25-E Mini PCIe:
LTE FDD: B1/B3/B5/B7/B8/B20
LTE TDD: B38/B40/B41
GSM: B3/B8
Certification: RCM/CE/Deutsche Telekom/ICASA/FAC/GCF/LGU+*/Telefonica*/KT

Variants for North America

EC25-A Mini PCIe:
LTE FDD: B2/B4/B12
Certification: FCC/PTCRB/IC/ AT&T/T-Mobile
EC25-V Mini PCIe:
Certification: FCC/GCF/ Verizon

Variant for Australia/New Zealand/Taiwan/Brazil

EC25-AU Mini PCIe:
LTE FDD: B1/B2①/B3/B4/B5/B7/B8/B28
WCDMA: B1/B2/B5/B8
GSM: B2/B3/B5/B8
Certification: RCM/NCC/Anatel

Variant for Japan

EC25-J Mini PCIe:
LTE FDD: B1/B3/B8/B18/B19/B26
WCDMA: B1/B6/B8/B19
Certification: JATE/TELEC/ DOCOMO/ SoftBank/KDDI

Variant for Australia Telstra

EC25-AUT Mini PCIe:
LTE FDD: B1/B3/B5/B7/B28

Note: Wi-Fi, Bluetooth and Ethernet Interfaces, Embedded GNSS are supported by all variations.

*Under Development

①: Rx-diversity not supported.


Technical Details

Data Speeds

LTE FDD: Max 150Mbps (DL)/Max 50Mbps (UL)
LTE TDD: Max 130Mbps (DL)/Max 35Mbps (UL)

DC-HSDPA: Max 42Mbps (DL)
HSUPA: Max 5.76Mbps (UL)
WCDMA: Max 384Kbps (DL)/Max 384Kbps (UL)

EDGE: Max 296Kbps (DL)/Max 236.8Kbps (UL)
GPRS: Max 107Kbps (DL)/Max 85.6Kbps (UL)

Note: This speeds highly depends the on the in-use antenna, environment and the distance to base stations.



Speech Codec Modes:
Echo Arithmetic:
Echo Cancellation/Noise Reduction
Digital Audio and VoLTE (Voice over LTE)(Optional)



  • USB 2.0 with High Speed up to 480Mbps
  • 1.8V/3.0V (U)SIM Card Interface
  • LED_WWAN# for Network Status Indication
  • W_DISABLE# for Disabling RF Function
  • UART × 1
  • PERST# for Module Resetting


Enhanced Features

  • eCall
  • DTMF
  • (U)SIM Card Detection
  • Antenna:
    DL MIMO, Support Rx-diversity/GNSS Antennas
  • DFOTA*:
    Delta Firmware Upgrade Over the Air
  • GNSS:

!WARNING: When you use the EC25 with Sixfab Base Shield, may all features not be enabled in the shield.




EC25 antenna interfaces include a main antenna interface, an Rx-diversity antenna interface which is
used to resist the fall of signals caused by high-speed movement and multipath effect and a GNSS
antenna interface. The impedance of the antenna port is 50Ω.

For the just cellular connection, you’ll need just connect an antenna to the main antenna port. To obtain better Rx-sensitivity and signal reception, we’d recommend an additional antenna to Rx-diversity antenna port. Rx-diversity function(ANT_DIV) is enabled by default.

All of the antenna connectors are ECT818000117. This is compatible with the Hirose U.FL(known by a variety of
names including AMC, UMCC, IPX) connectors. The recommended RF connector is UF.L-R-SMT.


Antenna Recommendations

LTE: Sixfab LTE Antennas

GNSS/GPS: Sixfab GNSS Antennas


Output Power

  • Class 3 (23dBm±2dB) for LTE
  • Class 3 (24dBm+1/-3dB) for UMTS
  • Class E2 (27dBm±3dB) for EDGE 850/900MHz
  • Class E2 (26dBm±3dB) for EDGE 1800/1900MHz
  • Class 4 (33dBm±2dB) for GSM 850/900MHz
  • Class 1 (30dBm±2dB) for GSM 1800/1900MHz


Power Consumption

  • 3.6mA @Sleep, Typ.
  • 35mA @Idle



  • LTE B1, B3, : -101.5dBm (10M)
  • LTE B2, B4, B5, B8, B12: -101dBm (10M)
  • LTE B7: -99.5dBm (10M)
  • LTE B13: -100dBm (10M)
  • LTE B20: -102.5dB (10M)
  • LTE B28: -102dBm (10M)
  • UMTS B1, B2, B4: -110dBm
  • UMTS B5, B8: -110.5dBm
  • GSM, DCS: -109dBm

Software Features


Driver Availability

USB Serial Driver:

  • Windows XP, Windows Vista, Windows 7/8/8.1/10, Windows CE 5.0/6.0/7.0*
  • Linux 2.6/3.x/4.1
  • Android 4.x/5.x/6.x/7.x

RIL Driver: Android 4.x/5.x/6.x/7.x

NIDS Driver: Windows 7/8/8.1/10

ECM Driver*: Linux 2.6/3.x/4.1

Gobinet Driver: Linux 2.6/3.x/4.1

Linux qmi wwan Driver: 3.x (3.4 or later)/4.1





You may find your questions in F.A.Q under the support menu. If not, please feel free to ask us by contact form or drop an email to hello [at] sixfab dot com.



User Manuals

You can download all the documentation that officially provided for EC25 Mini PCIe module from this Quectel link. (101MB).

Package Includes

  • 1x Quectel EC25-X Mini PCIe 4G IoT Module



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