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-HA2235-H 
  • Full power mode (Searching )36 mA36 mA
  • Full power mode (tracking) 24 mA22 mA 
  • PTF mode 0.7 mA 0.9 mA 
  • TricklePowerTM Mode 8.7 mA7.2 mA
  • Hibernate 27 μA27 μA
  • Antenna supply via Vant 
  • Voltage range up to 5.0V
  • Max. allowed current 50 mA
• MECHANICAL
  • Dimensions 
    • L x W x H17.8 x 16.5 x 7.1 mm
    • L x W x H0.7” 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
• HumidityNon condensing