A5135-H – Technical specifications

Technical Documentation
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PERFORMANCEA5135-H
Channels52
FrequencyLI - 1,575 MHz
SensitivityGPSGLONASS
Tracking- 165 dBm- 163 dBm
Navigation- 160 dBm- 159 dBm
Acquisition (cold start)- 147 dBm
Position Accuracy
(horizontal)
< 2.5 m CEP (autonomous)
< 2.0 m CEP SBAS
Time To First Fix
Hot Start< 1 s
Warm Start< 30 s
Cold Start< 35 s
Navigation
Update Rate1 Hz / 5 Hz Supported
COMMUNICATION
UART - OSP
SiRFbinary protocolProtocol for SiRFstar product family up to SSIII
Open Socket ProtocolProtocol extension for SiRFstarV
Baud rate
Switchable
115.2k (default) 1,200 to 115.2k
PortsTx (Binary output)
Rx (Binary input)
UART - NMEA (default)
NMEA message SwitchableGGA, RMC, GSA, GSV, VTG, GLL, ZDA
Baud rate Switchable1,200 to 115.2k Default 9600
PortsTx (NMEA output)
Rx (NMEA input)
HIGHLIGHTS
SiRFnavTMHigh availability and coverage; improved TTFF in weak signal environments
SiRFawareTMKeeps module in a state of readiness for rapid navigation (hot start)
Jammer remover technologyDetects and removes up to 8 in-band jammers with minimal loss of sensitivity
A-GPSEmbedded Extended Ephemeris (SiRFInstantFix) and Ephemeris Push support
MEMS I2C interfacePrepared to use additional sensor information for improved navigation
POWER
Supply voltage3.0 to 3.6 VDC
Average Current Draw(typical)
Full power mode (Searching) Peak Current42mA
Full power mode (Searching) Average Current36mA
Full power mode (Tracking) Average Current31mA
Micro Power Mode (SiRFawareTM)29uA
Hibernate Status27uA
MECHANICAL
Dimensions
L x W x H17.78 x 16.01 x 2.5 mm
L x W x H0.7” x 0.65” x 0.1”
Weight4 g / 0.14 oz.
ENVIRONMENT
Temperature
Operating-40°C to +85°C
Storage-40°C to +85°C
HumidityNon condensing

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