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尺寸:18X18mm MTK芯片 GPS&北斗双模 带电池

GAM-1818B-MTBD

Features

n  Build on high performance,low-power

          MediaTekMT3333 chip set

n  Ultra high Track sensitivity: -165dBm

n  Extremely fast TTFF at lowsignal level

n  Built in high gain LNA

n  Low power consumption: Max45mA@3.3V

n  NMEA-0183 compliantprotocol

n  Operating voltage: 3.0V to5.0V

n  Operating temperaturerange:-40to85℃

n PatchAntenna Size: 18x18x4mm

n  Module Size: 18.5x18.6x7.2mm

n  Communication type: UART/TTL

n  RoHS compliant (Lead-free)

Parameter

Specification

Power Supply

?         Supply voltage:  3.0V~5.0V   Typical: 3.3V

Power Consumption

?         Acquisition:  45mA @VCC=VBAT=3.3V

?         Tracking:  40mA  @VCC=VBAT=3.3V

?         Standby:  2.0mA  @VCC=VBAT=3.3V

?         Backup:  20uA  @VBAT=3.3V

Receiver Type

?         Code 66 search channels, 22 synchronous tracking  channels

?         GPS&QZSS L1 1575.42MHz C/A , Beidou B1  1561.098MHz

    SBAS: WAAS, EGNOS, MSAS, GAGAN

Sensitivity

?         Tracking:    -165dBm

?         Re-acquisition:   -156dBm

?         Acquisition:    -148dBm


TTFF (EASY enabled)

?         Cold start:    15s  typ @-130dBm

?         Warm start:    5s  typ @-130dBm

?         Hot start :    1s  typ @-130dBm

TTFF (EASY disabled)

?         Cold start(Autonomous):   35s   typ @-130dBm

?         Warm start (Autonomous):   30s   typ @-130dBm

?         Hot start (Autonomous):   1s   typ @-130dBm

HorizontalPosition

Accuracy (Autonomous)

?         <2.5m CEP @-130 dBm

Max Update Rate

?         Up to 10Hz,1Hz by  fault


Accuracy of 1PPS Signal

?         not enabled


Acceleration Accuracy

?         Without aid: 0.1m/s2


Dynamic Performance

?         Maximum altitude:  18,000m

?         Maximum velocity:  515m/s

?         Acceleration: 4G


UART Port

?         UART Port: TXD and  RXD

?         Supports baud rate  from 4800bps to 115200bps, 9600bps by default

?         UART port is used for  NMEA output, MTK proprietary

    commandsinput and firmware upgrade


Temperature Range

?         Normal operation: -40°C ~ +85°C

?         Storage temperature:  -45°C ~ +125°C


Physical Characteristics

?         Size: 18.5±0.20×18.6±0.20×7.2±0.20mm

?         Approx.6.8g



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