.. _sierra-wireless-em7421-specification:

Sierra Wireless EM7421 (LTE / HSPA+) subsystem
------------------------------------------------

.. list-table:: Sierra Wireless EM7421: Cellular frequency support
   :widths: 26 11 11 11 11 11
   :header-rows: 1

   * - Band Name
     - Transmit (MHz)
     - Receive (MHz)
     - LTE-FDD
     - LTE-TDD
     - UMTS
   * - IMT (2100)
     - 1920-1980
     - 2110-2170
     - B1
     - —
     - B1
   * - DCS (1800)
     - 1710-1785
     - 1805-1880
     - B3
     - —
     - —
   * - Cell (850)
     - 824-849
     - 869-894
     - —
     - —
     - B5
   * - IMT-E
     - 2500-2570
     - 2620-2690
     - B7
     - —
     - —
   * - EGSM (950)
     - 880-915
     - 925-960
     - B8
     - —
     - B8
   * - EU800
     - 832-862
     - 791-821
     - B20
     - —
     - —
   * - 700 APAC
     - 703-748
     - 758-803
     - B28
     - —
     - —
   * - L-band
     - —
     - 1452-1496
     - B32
     - —
     - —
   * - IMT-E
     - 2570-2620
     - 2570-2620
     - —
     - B38
     - —
   * - S-Band
     - 2300-2400
     - 2300-2400
     - —
     - B40
     - —
   * - BRS (US)
     - 2555-2655
     - 2555-2655
     - —
     - B41
     - —
   * - CBRS (EU/JAP)
     - 3400-3600
     - 3400-3600
     - —
     - B42
     - —
   * - C-Band
     - 3600-3800
     - 3600-3800
     - —
     - B43
     - —


.. list-table::
   :widths: 33 33 33
   :header-rows: 0

   * - LTE Category: 2CA Cat. 7 FDD & TDD
     - LTE throughput:

       Downlink: 300 Mbps (Cat. 7 with 2CA, 64QAM)

       Uplink: 150 Mbps (Cat. 13 with 2CA)
     - UMTS release: 3GPP rel. 9

       UMTS support: DC-HSPA+; HSPA+; HSPA; UMTS1

       UMTS throughput:

       Downlink: 42 Mbps (Cat. 24)

       Uplink: 5.76 Mbps (Cat. 6)
   * - LTE Release: 3GPP rel. 11 [#f1]_
     - Carrier aggregation:

       DL LTE-FDD: 40 MHz

       DL LTE-TDD: 40 MHz

       UL LTE: 40 MHz intraband contiguous
     -
   * - MIMO support: In DL direction
     - LTE RF BW support: 1.4/3/5/10/15/20 MHz
     -


**GNSS subsystem**


.. list-table:: Sierra Wireless EM7421 subsystem: GNSS frequency support
   :widths: 40 50
   :header-rows: 1

   * - Type
     - Frequency (MHz)
   * - GPS
     - 1575.42
   * - Galileo
     - 1575.42
   * - GLONASS
     - 1597.5-1605.8
   * - BeiDou
     - 1561.098


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

   * - Protocol: NMEA 0183 v3.0
     - GNSS acquisition performance:

       Cold start (open sky): 32 seconds typical

       Warm start (open sky): 29 seconds typical

       Hot start (open sky) 1 second typical
   * - Data update rate: 1 Hz (default)
     - Accuracy (open sky): < 8 metres typical


.. rubric:: Footnotes

.. [#f1] Some auxiliary functions support Release 12 or Release 13.