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  • LTE EC21
  • Quectel EC21 is a series of LTE category 1 module optimized specially for M2M and IoT applications. It features cost-saving, low power LTE connectivity, and delivers M2M-optimized speeds of 10Mbit/s downlink and 5Mbit/s uplink. These make EC21 an ideal solution for numerous IoT applications that are not reliant on high speed connectivity but still require the longevity and reliability of LTE networks.

    EC21 is compatible with Quectel UMTS/HSPA+ UC20 module and multi-mode LTE EC20/EC25 module in the compact and unified form factor. It contains 10 variants: EC21-E, EC21-A, EC21-V, EC21-AUT, EC21-AUTL, EC21-AUV, EC21-J, EC21-KL, EC21-AU and EC21-CT. This makes it backwardcompatible with existing EDGE and GSM/GPRS networks, ensuring that it can easily migrate from LTE to 2G or 3G networks.

    Quectel_EC21_LTE_Specification_V1.2

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Quectel EC21 is a series of LTE category 1 module optimized specially for M2M and IoT applications. It features cost-saving, low power LTE connectivity, and delivers M2M-optimized speeds of 10Mbit/s downlink and 5Mbit/s uplink. These make EC21 an ideal solution for numerous IoT applications that are not reliant on high speed connectivity but still require the longevity and reliability of LTE networks.
 
EC21 is compatible with Quectel UMTS/HSPA+ UC20 module and multi-mode LTE EC20/EC25 module in the compact and unified form factor. It contains 10 variants: EC21-E, EC21-A, EC21-V, EC21-AUT, EC21-AUTL, EC21-AUV, EC21-J, EC21-KL, EC21-AU and EC21-CT. This makes it backwardcompatible with existing EDGE and GSM/GPRS networks, ensuring that it can easily migrate from LTE to 2G or 3G networks.
 
EC21 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 positoning.
 
A rich set of Internet protocols, industry-standard interfaces and abundant functionalities (USB drivers for Windows XP, Windows Vista, Windows 7, Windows 8/8.1, Windows 10, Linux, Android/eCall*) extend the applicability of the module to a wide range of M2M and IoT applications such as smart metering, wearable devices, environmental monitoring, asset tracking, fleet management, security and alarm systems, and so on.

 

Key benefits

● Low-cost, lower-power LTE connectivity optimized for broadband IoT applications

● Worldwide LTE, UMTS/HSPA+ and GSM/GPRS/EDGE coverage

● Multi-constellation GNSS receiver available for applications requiring fast and accurate fixes in any environment

● Feature refinements: supports DFOTA*, eCall*, QuecLocator and DTMF

● MIMO technology meets demands for data rate and link reliability in modem wireless communication systems

 

General Features
  Frequency Bands EC21-E
LTE FDD: B1/B3/B5/B7/B8/B20
WCDMA: B1/B5/B8
GSM: B3/B8
EC21-A
LTE FDD: B2/B4/B12
WCDMA: B2/B4/B5
EC21-V LTE FDD: B4/B13
EC21-AUT
LTE FDD: B1/B3/B5/B7/B28
WCDMA: B1/B5
EC21-AUTL LTE FDD: B3/B7/B28
EC21-AUV
LTE FDD: B1/B3/B5/B8/B28
WCDMA: B1/B5/B8
EC21-J LTE FDD: B1/B3/B8/B18/B19/B26
EC21-KL LTE FDD: B1/B3/B5/B7/B8
EC21-AU
LTE FDD: B1/B2/B3/B4/B5/B7/B8/B28
LTE TDD: B40
WCDMA: B1/B2/B5/B8
GSM: B2/B3/B5/B8
EC21-CT
LTE FDD: B1/B3/B5
 
  LTE Version 3GPP E-UTRA Release 11
  Bandwidth 1.4/3/5/10/15/20MHz

 

Antenna

Supports Rx-diversity
  Supply Voltage Range 3.3V~ 4.3V , 3.8V Typ.

 

Operation Temperature

-40 °C ~ +85 °C
  Dimensions 32.0mm × 29.0mm × 2.4mm
  Package LCC
  Weight Approx. 4.9g
  Control via AT commands 3GPP TS27.007 and enhanced AT Commands
     
Specifications
  DATA LTE
LTE FDD: Max 10Mbps (DL) Max 5Mbps (UL)
LTE TDD: Max 8.96Mbps (DL) Max 3.1Mbps (UL)
    DC-HSPA+ Max 42Mbps (DL) Max5.76Mbps(UL)
    UMTS Max 384Kbps(DL) Max 384Kbps(UL)
    EDGE Max 236.8Kbps (DL) Max 236.8Kbps (UL)
    GPRS Max 85.6Kbps (DL) Max 85.6Kbps (UL)
  Voice Speech Codec Modes HR, FR, EFR, AMR, AMR-WB
  Echo Arithmetic Echo Cancellation
Noise Reduction
  eCall* Accident, Emergency Services
  VoLTE Digital Audio and VoLTE (Voice over LTE) (Optional)
  Protocols
TCP/ UDP/ PPP/ FTP/ HTTP/ NTP/ PING/ QMI/
HTTPS*/ SMTP*/ MMS*/ FTPS*/ SMTPS*/ SSL*
     
Special Features
  Drivers USB Serial
Windows XP, Windows Vista, Windows 7,
Windows 8/8.1, Windows 10, Linux 2.6 or later,
Android 4.0/4.2/4.4/5.0/5.1/6.0
  RIL Android 4.0/4.2/4.4/5.0/5.1/6.0
  NIDS
Windows XP, Windows Vista, Windows 7,
Windows 8/8.1, Windows 10
  ECM* Linux 2.6 or later
  Gobinet Linux 2.6 or later
  Linux qmi wwan Linux 3.4 or later
  DFOTA Delta firmware upgrade over the air
  BT4.0/WiFi * Optional
  GNSS GPS/GLONASS/BeiDou/Galileo/QZSS
     
Electrical Characteristics
  Output Power
Class 3 (23dBm±2dB) for LTE FDD
Class 3 (23dBm±2dB) for LTE TDD
Class 3 (24dBm+1/-3dB) for UMTS
Class E2 (27dBm±3dB) for EDGE 850/900MHz
Class E2 (26dBm+3/-4dB) for EDGE 1800/1900MHz
Class 4 (33dBm±2dB) for GSM 850/900MHz
Class 1 (30dBm±2dB) for GSM 1800/1900MHz
  Consumption
20uA @Power off
3mA @Sleep, Typ.
22mA @Idle
  Sensitivity
LTE B1: -101.5dBm (10M) LTE B20: -102.5dBm (10M)
LTE B2: -101dBm (10M) LTE B28: -102dBm (10M)
LTE B3: -101.5dBm (10M) UMTS B1: -110dBm
LTE B4: -101dBm (10M) UMTS B2: -110dBm
LTE B5: -101dBm (10M) UMTS B4: -110dBm
LTE B7: -99.5dBm (10M) UMTS B5: -110.5dBm
LTE B8: -101dBm (10M) UMTS B8: -110.5dBm
LTE B12: -101dBm (10M) GSM: -109dBm
LTE B13: -100dBm (10M) DCS: -109dBm
     
Interfaces
  USB 2.0 Device High Speed, 480Mbps
  PCM × 1, Digital Audio through PCM Interface (Optional)
  USIM 1.8V/3V
  NETLIGHT ×2, NET_STATUS and NET_MODE
  UART × 1, UART
  RESET  
  PWRKEY  
  Antenna Pads for Primary, Rx-diversity and GNSS
  ADC × 2
     
Certification
  Approval
FCC/ CE*/ CCC*/ SRRC*/ NAL*/ PTCRB*/ AT&T*/ GCF*/ Verizon*/ RCM*/ Telstra*/ JATE&TELEC*
     

* Under development

 
The module is sensitivity to moisture absorption. Before reflow, Module should be baked for 192 hours at temperature 40℃+5℃/-0℃ and <5% RH in low-temperature containers, or 24 hours at temperature 125℃±5℃ in high-temperature containers. Care should be taken that plastic tray is not heat resistant. Module should be taken out before preheating, otherwise, the tray maybe damaged by high-temperature heating.