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EG21-G Mini PCIe

IoT/M2M-optimized LTE Cat 1 Module

Quectel EG21-G Mini PCIe is an LTE category 1 module adopting standard PCI Express® Mini Card form factor (Mini PCIe). It is optimized specially for M2M and IoT applications, and delivers maximum data rates up to 10Mbps downlink and 5Mbps uplink.

EG21-G Mini PCIe 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.

EG21-G Mini PCIe supports Qualcomm® IZat™ location technology Gen8C Lite (GPS, GLONASS, BeiDou/Compass, Galileo and QZSS). The integrated GNSS greatly simplifies product design, and provides quicker, more accurate and dependable positioning.

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

Key benefits

  • LTE category 1 module optimized for broadband IoT applications
  • Worldwide LTE, UMTS/HSPA(+) and GSM/GPRS/EDGE coverage
  • Standard PCI Express® Mini Card form factor (Mini PCIe) ideal for manufacturers to easily integrate wireless connectivity into their devices
  • MIMO technology meets demands for data rate and link reliability in modem wireless communication systems
  • Multi-constellation GNSS receiver available for applications requiring fast and accurate fixes in any environment

Frequency Bands

  1. EG21-G Mini PCIeLTE-TDD:B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28LTE-TDD:B38/B39/B40/B41WCDMA:B1/B2/B4/B5/B6/B8/B19GSM:B2/B3/B5/B8


  1. LTE:LTE-FDD: Max 10Mbps (DL)/Max 5Mbps (UL)LTE-TDD: Max 8.96Mbps (DL)/Max 3.1Mbps (UL)
  2. UMTS:HSDPA: Max 42Mbps (DL)HSUPA: Max 5.76Mbps (UL)WCDMA: Max 384Kbps (DL)/Max 384Kbps (UL)
  3. GSM:EDGE: Max 296Kbps (DL)/Max 236.8Kbps (UL)GPRS: Max 107Kbps (DL)/Max 85.6Kbps (UL)


  1. Speech Codec Modes:HR/FR/EFR/AMR/AMR-WB
  2. Echo Arithmetic:Echo Cancellation/Noise Suppression
  3. Audio:Digital Audio and VoLTE (Voice over LTE) (Optional)


  1. USB x 1: USB 2.0 with High Speed up to 480Mbps
  2. PCM x 1: Digital Audio through PCM (Optional)
  3. I2C x 1
  4. (U)SIM x 1: 1.8V/3.0V (U)SIM Interface
  5. UART × 1: Main UART
  6. LED_WWAN# for Network Status Indication
  7. W_DISABLE# for Disabling RF Function
  8. PERST# for Module Resetting
  9. Main, Rx-diversity and GNSS Antenna Connectors

Enhanced Features

  1. eCall*
  2. DTMF*
  3. QuecLocator®
  4. Downlink MIMO (Supports Rx-diversity Antenna)
  5. DFOTA:Delta Firmware Upgrade Over-The-Air
  6. GNSS:GPS/GLONASS/BeiDou (Compass)/Galileo/QZSS (Optional)

Electrical Characteristics

  1. Output PowerClass 3 (23dBm±2dB) for LTE-FDD bandsClass 3 (23dBm±2dB) for LTE-TDD bandsClass 3 (24dBm+1/-3dB) for WCDMA bandsClass E2 (27dBm±3dB) for GSM850 8-PSKClass E2 (27dBm±3dB) for EGSM900 8-PSKClass E2 (26dBm±3dB) for DCS1800 8-PSKClass E2 (26dBm±3dB) for PCS1900 8-PSKClass 4 (33dBm±2dB) for GSM850Class 4 (33dBm±2dB) for EGSM900Class 1 (30dBm±2dB) for DCS1800Class 1 (30dBm±2dB) for PCS1900
  2. Consumption3.6mA @Sleep, Typ.35mA @Idle
  3. SensitivityLTE B1: -99.5dBm (10MHz)LTE B2: -99.9dBm (10MHz)LTE B3: -99.7dBm (10MHz)LTE B4: -99.7dBm (10MHz)LTE B5: -99.9dBm (10MHz)LTE B7: -99.2dBm (10MHz)LTE B8: -99.8dBm (10MHz)LTE B12: -99.8dBm (10MHz)LTE B13: -99.5dBm (10MHz)LTE B18: -100dBm (10MHz)LTE B19: -99.9dBm (10MHz)LTE B20: -99.8dBm (10MHz)LTE B25: -100dBm (10MHz)LTE B26: -99.5dBm (10MHz)LTE B28: -99.6dBm (10MHz)LTE B38: -98dBm (10MHz)LTE B39: -99.5dBm (10MHz)LTE B40: -99.2dBm (10MHz)LTE B41: -97.5dBm (10MHz)WCDMA B1: -109.2dBmWCDMA B2: -110dBmWCDMA B4: -109.7dBmWCDMA B5: -110.4dBmWCDMA B6: -110.5dBmWCDMA B8: -110.5dBmWCDMA B19: -110.1dBmGSM850: -108dBmEGSM900: -108dBmDCS1800: -107.5dBmPCS1900: -107.5dBm

Software Features

  1. USB Serial DriverWindows 7/8/8.1/10,Linux 2.6~5.4,Android 4.x/5.x/6.x/7.x/9.x
  2. GNSS DriverAndroid 4.x/5.x/6.x/7.x/8.x/9.x
  3. RIL DriverAndroid 4.x/5.x/6.x/7.x/8.x/9.x
  4. NDIS DriverWindows 7/8/8.1/10
  5. MBIM DriverWindows 8/8.1/10, Linux 3.18~5.4
  6. GobiNet DriverLinux 2.6~5.4
  7. QMI_WWAN DriverLinux 2.6~5.4

General Features

  1. Operation Temperature Range: -35°C ~ +75°C
  2. Extended Temperature Range: -40°C ~ +80°C
  3. Dimensions: 51.0mm x 30.0mm x 4.9mm
  4. Weight: Approx. 9.8g
  5. Mini PCIe Package
  6. Supply Voltage: 3.0V~3.6V, 3.3V Typ.
  7. 3GPP E-UTRA Release 11
  8. Bandwidth: 1.4/3/5/10/15/20MHz
  9. 3GPP TS27.007, 27.005 and Enhanced AT Commands


  1. CarrierDeutsche Telekom* (Europe)Verizon*/AT&T*/T-Mobile*/Sprint* (North America)
  2. RegulatoryGCF (Global)CE (Europe)FCC/PTCRB* (North America)IC (Canada)Anatel (Brazil)IFETEL (Mexico)KC* (South Korea)NCC (Taiwan, China)JATE/TELEC (Japan)RCM (Australia)ICASA* (South Africa)
  3. OthersRoHSWHQL
* Under Development
EG21-G Mini PCIe - IoT/M2M-optimized LTE Cat 1 Module

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Quectel EG21-G Mini PCIe LTE Standard Specification V1.0 (689.9 KB)
Quectel EG21-G Mini PCIe Hardware Design V1.0 (866 KB)
Quectel LTE Standard MQTT Application Note V1.2 (685.3 KB)

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