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尺寸:45X38mm MTK3333芯片 GPS&北斗雙模

GGM-4538-MTBD

Features

  • Build on high performance, low-power

  • MediaTek MT3333 chipset

  • Ultra high Track sensitivity: -165dBm

  • Extremely fast TTFF at low signal level

  • Built in high gain LNA

  • The built-in super capacitor for backup ephemeris

  • Low power consumption: Max 45mA@3.3V

  • NMEA-0183 compliant protocol or custom protocol

  • Operating voltage: 3.0V to 5.0V

  • Operating temperature range: -40to85℃

  • Patch Antenna Size:25x25x4mm

  • Small form factor: 45x38x13.8mm

  • Communication type: UART/TTL

  • Wire interface type: Molex 4Pin , L=150cm

  • 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

Backup:  15uA @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:   -146dBm

TTFF (Autonomous)

Cold start:  35s  typ @-130dBm

Warm start:  30s  typ @-130dBm

Hot start:  1s  typ @-130dBm

Horizontal Position

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

           commands input and firmware upgrade

Temperature Range

Normal operation: -40°C ~ +85°C

Storage temperature: -45°C ~ +125°C

Physical Characteristics

Size: 45±0.50 × 38±0.50 ×13.8±0.50mm

Connecting line specifications: molex 4pin, L=150cm

Weight: Approx.75g



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