A2235-H

A2235-H

The A2235-H GPS module enables fast acquisition and tracking with SiRFstar IV technology. This small form-factor module addresses the demand for low power consumption with SiRFaware technology. The removal of jammers and high sensitivity during acquisition allows for use in many different environments and under tough operating conditions.

Product Highlights

  • Simplified integration
  • Efficient time to market
  • Leading performance
  • Lowest assembly cost
  • Small footprint
  • Ultra-low power consumption
  • In-band jamming signal removal

Key Markets

A2235-H

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    A2235-H Overview

    The A2235-H GPS module enables fast acquisition and tracking with SiRFstar IV technology. This small form-factor module addresses the demand for low power consumption with SiRFaware technology. The removal of jammers and high sensitivity during acquisition allows for use in many different environments and under tough operating conditions.

    Small footprint

    The power pins, ground pins, and dedicated pins are at the same pin location across device densities so it can adapt to your actual configuration.

    Ultra Low power consumption

    SiRFaware’s advanced low power management modes, high level of integration and multiple communication ports in a small form-factor makes the A2235-H suitable for a broad spectrum of GPS applications where performance, cost and time to market are prime considerations (only 29 mA average tracking).

    Anti-jamming detection

    Our receivers offer an anti jamming feature: they constantly scan the signals in the area and blank out the non-satellite ones. You are then safe from jammers and others interferences.

    Download SiRF Live

    Test the performance of Lantronix GNSS receivers and develop your application with SiRF Live software. Download here

    A2235-H Tech Specs

      The A2235-H provides a SiRFStar IV GPS engine with a custom-designed high directional patch antenna on board to ease the integration of leading GPS technology into designs. The A2235-H addresses the demand for extremely low power operation and ultra-fast Time-To-First-Fix. Their high level of sensitivity allows for use in the most demanding environmental conditions.

      • SMT based integrated GPS antenna module
      • 17.8 x 16.5 mm2
      • 29 mA average tracking (full power mode)
      • -163 dBm tracking
      • up to 8 strongest interferes signals detected and mitigated
      PERFORMANCE A2235-H
      Channels 48 parallel tracking
      Correlators 400,000 plus
      Frequency LI – 1,575 MHz
      Tracking – 163 dBm
      Navigation – 160 dBm
      Acquisition (cold start) – 148 dBm
      Position Accuracy
      (horizontal)
      < 2.5 m CEP (autonomous)
      < 2.0 m CEP SBAS
      Time To First Fix
      Hot Start < 1 s
      Warm Start < 32 s
      Cold Start < 35 s
      Navigation
      Update Rate 1 Hz / 5 Hz Supported
      COMMUNICATION
      UART – NMEA (Default)
      NMEA message Switchable GGA, RMC, GSA, GSV, VTG, GLL, ZDA
      Baud rate
      Switchable
      4,800 (default)
      1,200 to 115.2k
      Ports Tx (NMEA output)
      Rx (NMEA input)
      UART – SiRF Specific SSB/OSP
      SiRFbinary protocol Protocol for SiRFstar product family up to SSIII
      One Socket Protocol Protocol extension for SiRFstarIV
      Baud rate
      Switchable
      57.6k (default)
      1,200 to 115.2k
      Ports Tx (NMEA output)
      Rx (NMEA input)
      HIGHLIGHTS
      SiRFnavTM High availability and coverage; improved TTFF in weak signal environments
      SiRFawareTM Keeps module in a state of readiness for rapid navigation (hot start)
      Jammer remover technology Detects and removes up to 8 in-band jammers with minimal loss of sensitivity
      A-GPS Embedded Extended Ephemeris (SiRFInstantFix1) and Ephemeris Push support
      MEMS I2C interface Prepared to use additional sensor information for improved navigation
      Flash-based design
      (A2135-H only)
      Prepared to store configuration and calibration data and to allow firmware updates
      Internal antenna Best matched build-in antenna for easy integration
      POWER
      Input voltage 3.0 to 3.6 VDC
      Nominal 3.3 VDC
      Average Current Draw A2135-H A2235-H
      Full power mode (Searching) 36 mA 36 mA
      Full power mode (tracking) 24 mA 22 mA
      PTF mode 0.7 mA 0.9 mA
      TricklePowerTM Mode 8.7 mA 7.2 mA
      Hibernate 27 μA 27 μA
      Antenna supply via Vant
      Voltage range up to 5.0V
      Max. allowed current 50 mA
      MECHANICAL
      Dimensions
      L x W x H 17.8 x 16.5 x 7.1 mm
      L x W x H 0.7” x 0.65” x 0.28”
      Weight 4.0 g / 0.14 oz.
      ENVIRONMENT
      Temperature
      Operating -40°C to +85°C
      Storage -40°C to +85°C
      Humidity Non condensing

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    A2235-H Part Numbers

    GPS Receivers
    A2235H GNSS A2235H

    GNSS A2235H - SiRFstarIV-based 48-channel GPS receivers built-in patch antenna, -148 dBm acquisition sensitivity, -160 dBm navigation sensitivity, I²C MEMS interface

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