.. _quectel-ec25-specification:

Quectel EC25-xx (LTE / HSPA+ / EGRPS) subsystem
""""""""""""""""""""""""""""""""""""""""""""""""""

.. list-table:: Quectel EC25-xx (LTE / HSPA+ / EGRPS) subsystem Cellular frequency support
   :widths: 12 12 12 12 12 12 12
   :header-rows: 1

   * - Band Name
     - Transmit (MHz)
     - Receive (MHz)
     - LTE-FDD
     - LTE-TDD
     - UMTS
     - GSM
   * - IMT (2100)
     - 1920-1980
     - 2110-2170
     - B1
     - —
     - B1
     - —
   * - PCS (1900)
     - 1850-1910
     - 1930-1990
     - B2
     - —
     - B2
     - PCS1900
   * - DCS (1800)
     - 1710-1785
     - 1805-1880
     - B3
     - —
     - —
     - DCS1800
   * - AWS
     - 1710-1755
     - 2110-2155
     - B4
     - —
     - B4
     - —
   * - Cell (850)
     - 824-849
     - 869-894
     - B5
     - —
     - B5
     - GSM850
   * - UMTS 800
     - 830-840
     - 875-885
     - —
     - —
     - B6
     - —
   * - IMT-E
     - 2500-2570
     - 2620-2690
     - B7
     - —
     - —
     - —
   * - EGSM (950)
     - 880-915
     - 925-960
     - B8
     - —
     - B8
     - EGSM900
   * - 700 lower A-C
     - 699-716
     - 729-746
     - B12
     - —
     - —
     - —
   * - 700 upper C
     - 777-787
     - 746-756
     - B13
     - —
     - —
     - —
   * - 700 upper D
     - 788-798
     - 758-768
     - B14
     - —
     - —
     - —
   * - Lo. 800 (JAP)
     - 815-830
     - 860-875
     - B18
     - —
     - —
     - —
   * - Up. 800 (JAP)
     - 830-845
     - 875-890
     - B19
     - —
     - B19
     - —
   * - EU800
     - 832-862
     - 791-821
     - B20
     - —
     - —
     - —
   * - Ext. Cellular
     - 814-849
     - 859-894
     - B26
     - —
     - —
     - —
   * - 700 APAC
     - 703-748
     - 758-803
     - B28/B28A
     - —
     - —
     - —
   * - IMT-E
     - 2570-2620
     - 2570-2620
     - —
     - B38
     - —
     - —
   * - S-Band
     - 2300-2400
     - 2300-2400
     - —
     - B40
     - —
     - —
   * - BRS (US)
     - 2555-2655
     - 2555-2655
     - —
     - B41
     - —
     - —
   * - B66
     - 1710-1780
     - 2110-2180
     - B66
     - —
     - —
     - —
   * - B71
     - 663-698
     - 617-652
     - B71
     - —
     - —
     - —

.. note:: Frequency support may vary depending on your system configuration. Certain device configurations may come equipped with a cellular modem specifically designed for a specific region (US/EU/APAC). For exact frequency support information, please contact us.


**LTE Capabilities**


.. list-table::
   :widths: 50 50
   :header-rows: 0

   * - LTE Category
     -  Non-CA Cat. 4 FDD
        
        TDD
   * - LTE Release
     - 3GPP rel. 8
   * - MIMO support
     - In DL direction
   * - LTE RF BW support
     - 1.4/3/5/10/15/20 MHz

**LTE Throughput**

.. list-table::
   :widths: 30 30 30
   :header-rows: 1

   * - LTE throughput
     - DL
     - UL
   * - LTE-FDD 
     - 150 Mbps
     - 50 Mbps
   * - LTE-TDD 
     - 130 Mbps
     - 30 Mbps

**UMTS Capabilities**

.. list-table::
   :widths: 30 70
   :header-rows: 0

   * - UMTS support
     - 3GPP rel. 8

       * DC-HSDPA
       * HSPA+
       * HSDPA
       * HSUPA
       * WCDMA
   * - UMTS modulations
     - QPSK

       16QAM

       64QAM


**UMTS Throughput**

.. list-table::
   :widths: 30 30 30
   :header-rows: 1

   * - UMTS Throughput
     - DL
     - UL
   * - DC-HSDPA
     - 42 Mbps
     - —
   * - HSUPA
     - —
     - 5.76 Mbps
   * - WCDMA
     - 384 Kbps
     - 384 Kbps


.. list-table::
   :widths: 40 60
   :header-rows: 1

   * - Technology
     - Transmit Power Class
   * - GSM850/EGSM900
     - Class 4 (33 dBm ±2 dB)
   * - DCS1800/PCS1900
     - Class 1 (30 dBm ±2 dB)
   * - GSM850/EGSM900 (8-PSK)
     - Class E2 (27 dBm ±3 dB)
   * - DCS1800/PCS1900 (8-PSK)
     - Class E2 (26 dBm ±3 dB)
   * - WCDMA bands
     - Class 3 (24 dBm +1/-3 dB)
   * - LTE-FDD bands
     - Class 3 (23 dBm ± 2 dB)
   * - LTE-TDD bands
     - Class 3 (23 dBm ± 2 dB)


.. list-table:: GPRS/EDGE Information
   :header-rows: 1
   :widths: 40 60

   * - Feature
     - Value
   * - GPRS/EDGE Class
     - Multi-slot class 33
   * - GPRS Coding Schemes
     - CS-1; CS-2; CS-3; CS-4
   * - EDGE Support
     - GMSK & 8-PSK for different MCS
   * - EDGE Coding Schemes
     - MCS 1-9 (DL/UL)
   * - GPRS Throughput (DL/UL)
     - 107 Kbps / 85.6 Kbps
   * - EDGE Throughput (DL/UL)
     - 296 Kbps / 236.8 Kbps






**GNSS subsystem**


.. list-table:: Quectel EC25-xx subsystem: GNSS frequency support
   :widths: 40 50
   :header-rows: 1

   * - Type
     - Frequency (MHz)
   * - GPS
     - 1575.42 ± 1.023 (L1)
   * - Galileo
     - 1575.42 ± 2.046 (E1)
   * - QZSS
     - 1575.42 (L1)
   * - GLONASS
     - 1597.5-1605.8
   * - BeiDou / COMPASS
     - 1561.098 ± 2.046



.. list-table::
   :widths: 40 60  
   :header-rows: 0

   * - Protocol
     - NMEA 0183
   * - Data update rate
     - 1 Hz (default)


.. list-table:: 
   :widths: auto
   :header-rows: 0

   * - GNSS acquisition performance
     - .. list-table::
          :widths: auto

          * - Cold start (open sky)
            - 10 seconds typical
          * - Warm start (open sky)
            - 2.2 seconds typical
          * - Hot start (open sky)
            - 1.8 seconds typical


.. list-table::
   :widths: 50 50
   :header-rows: 0

   * - CEP-50 accuracy (open sky)
     - < 2.5 metres typical