Quectel UC20-G Mini PCle 3G Module

This product only includes the Quectel UC20-G Mini PCle  3G Module. In order to use this with a Raspberry Pi, you need to use a Base HAT and an antenna.


35 in stock

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Sixfab SIM is a cellular connectivity solution for connecting your IoT devices with the best global networks. You can activate and use your SIM card in a few minutes, without any contract or commitment.


Quectel UC20-G 3G IoT Mini PCIe is a series of powerful functions UMTS/HSPA+ module featuring a maximum data rate of 14.4Mbps downlink and 5.76Mbps uplink. It is designed to provide customers with global network coverage on the connectivity of HSPA+/WCDMA. The module is fully backward-compatible with existing EDGE and GSM/GPRS networks, ensuring that it can be connected even in remote areas devoid of 3G coverage.

UC20 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 an 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. The compact profile of 51.0mm × 30.0mm × 4.9mm in standard Mini PCIe form factor and the high integration level enable integrators and developers to easily design their applications and truly benefit from the low power consumption and convenient Plug and Play function.

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

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  1. Worldwide UMTS/HSDPA+ and GSM/GPRS/EDGE coverage with single module
  2. With the Sixfab Base HAT, you can easily integrate UC20 with your RPi projects.
  3. High-quality data and image transmission even in a harsh environment
  4. GNSS receiver available for applications requiring fast and accurate fixes in any location
  5. MIMO technology meets demands for data rate and link reliability in modem wireless communication systems
  6. 3GPP E-UTRA Release 11
  7. Bandwidth: 1.4/3/5/10/15/20MHz
  8. Temperature Range: -40°C ~ +80°C
  9. Dimensions: 51.0mm x 30.0mm x 4.9mm
  10. Approx. 9.8g
  11. Supply Voltage: 3.0V~3.6V, 3.3V Typ.
  12. 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

Technical Details

Data Speeds

HSDPA: Max.14.4Mbps (DL)
HSUPA: Max.5.76Mbps (UL)
WCDMA: Max.384Kbps (DL) / Max.384Kbps (UL)
EDGE: Max.236.8Kbps (DL) / Max.236.8Kbps (UL)
GPRS: Max. 85.6Kbps (DL) / Max. 85.6Kbps (UL)
CSD: Max.14.4Kbps (DL) / Max. 14.4Kbps (UL)
*DL: Downlink, UL: Uplink
Note: The speed highly depends on the in-use antenna, environment and distance to base stations.


  • Text and PDU Mode
  • SMS Cell Broadcast
  • Point-to-point MO and MT


  • USB 2.0 with High Speed up to 480Mbps
  • Digital Audio through PCM (Optional)
  • 1.8V/3.0V (U)SIM Card Interface
  • ADC × 2: 15 Bits
  • STATUS for Power ON/OFF Status Indication
  • LED_WWAN# for Network Status Indication
  • W_DISABLE# for Disabling RF Function
  • UART × 2: Main UART, Debug UART
  • PERST# for Module Resetting
  • RTC Backup
  • SD Card Interface

Enhanced Features

  • Firmware Update: via USB or UART Interface
  • QuecFile: File System Access and Management
  • Antenna: DL MIMO, Support Rx-diversity/GNSS Antennas
  • DFOTA: Delta Firmware Upgrade Over the Air

GNSS Features

  • Qualcomm gpsOne Gen8 with 16 GPS Channels and 14 GLONASS Channels
  • Support XTRA™ Technology
  • Accuracy <1.5m CEP-50 @Open Sky
  • TTFF @-130dBm with XTRA™:
    • Cold/Warm/Hot Start: Typ. 22s/3s/2s
  • TTFF @-130dBm without XTRA™:
    • Cold/Warm/Hot Start: Typ. 32s/29s/2.5s
  • Sensitivity with LNA:
    • Cold Start/Reacquisition/Tracking: -147dBm/-159dBm/-161dBm
  • Power Saving Mode: DPO Mode
  • Dedicated GNSS AT Commands

Frequency Bands

  • 800/850/900/1900/2100MHz @UMTS
  • 850/900/1800/1900MHz @GSM


UC20-G is the global version of the module, it can be used all around the world.



UC20 has 2 antenna interfaces:  Main antenna interface and a GNSS antenna interface. The impedance of the antenna ports is 50Ω.

uc20 antenna interface

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

Output Power

  • Class 4 (33dBm±2dB) for GSM850 and EGSM900
  • Class 1 (30dBm±2dB) for DCS1800 and PCS1900
  • Class E2 (27dBm±3dB) for GSM850 and EGSM900 8-PSK
  • Class E2 (26dBm+3/-4dB) for DCS1800 and PCS1900 8-PSK
  • Class 3 (24dBm+1/-3dB) for UMTS800/850/900/1900/2100

Power Consumption

  • 20μA – Power Off
  • 2.7mA – GSM Sleep, DRX=2 (USB Disconnected)
  • 2.7mA – WCDMA Sleep, DRX=6 (USB Disconnected)
  • 587mA – GPRS Data, Max Power
  • 469mA – EDGE Data, Max Power
  • 548mA – HSDPA, Max Power
  • 534mA – HSUPA, Max Power

Note: The consumption results obtained while GNSS OFF.


  • -110dBm @UMTS Bands
  • -108.5dBm @GSM850/EGSM900
  • -108dBm @DCS1800/PCS1900

Software Features

Driver Availability

USB Serial DriverWindows 7/8/8.1/10,
Windows CE 5.0/6.0/7.0*,
Linux 2.6/3.x/4.1~4.14,
Android 4.x/5.x/6.x/7.x
RIL DriverAndroid 4.x/5.x/6.x/7.x
NDISWindows 7/8/8.1/10
MBIMWindows 8/8.1/10, Linux 3.18–5.4
GobiNet DriverLinux 2.6/3.x/4.1~4.14
QMI_WWAN DriverLinux 3.x(3.4 or later)/4.1~4.14



Package Includes

  • 1x Quectel UC20-G Mini PCIe 3G Global Module

Technical Documentation

Quectel UC20 Specification v2.0
Quectel UC20 AT Commands Manual v1.5
Quectel UC20 PPP Application Note v1.0
Quectel UC20 HTTP AT Commands Manual v1.0
Quectel UC20 TCP/IP AT Commands Manual v1.2
Quectel UC20 FTP AT Commands Manual v1.1
Quectel UC20 GNSS AT Commands Manual v1.1
Quectel UC20 Mini PCIe Hardware Design


Quectel UC20 Windows USB Driver v1.1 
Quectel UC20 Android GPS & RIL & USB Drivers


Quectel Qflash
Quectel Qnavigator
Quectel LTE&LTE-A QFlash Linux&Android
Quectel LTE&5G QFirehose Linux&Android


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