尺寸:33X25mm MTK3337芯片 GPS单模
Features
n Buildon high performance, low-power MediaTek MT3337 chip set
n Ultrahigh Track sensitivity: -165dBm
n Extremelyfast TTFF at low signal level
n Builtin high gain LNA
n Lowpower consumption: Max 28mA@3.3V
n NMEA-0183compliant protocol or custom protocol
n Operatingvoltage: 3.0V to 5.0V
n Operatingtemperature range:-40to85℃
n PatchAntenna Size: 25x25x4mm
n Smallform factor: 33.6x25.5x14mm
n Communicationtype: UART/TTL
n Wireinterface type: Audio head 4Pin, L=1250px
n RoHScompliant (Lead-free)
Parameter | Specification | ||
Power Supply | • Supply voltage: 3.0V~5.0V Typical: 3.3V | ||
Power Consumption | • Acquisition: 28mA @VCC=3.3V • Tracking: 25mA @VCC=3.3V • Standby: 2.0mA @VCC=3.3V • Backup: 15uA @VBAT=3.3V | ||
Receiver Type | • Code 66 search channels, GPS&QZSS L1 1575.42MHz C/A • 22 simultan ous tracking channels | ||
Sensitivity | • Tracking: -165dBm • Re-acquisition: -156dBm • Acquisition: -148dBm | ||
TTFF (Autonomous) | • Cold start: 35s typ @-130dBm • Warm start : 30s typ @-130dBm • Hot start : 1s typ @-130dBm | ||
HorizontalPosition Accuracy (Autonomous) | • <2.5m CEP @-130 dBm | ||
Update Rate | • 1Hz | ||
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 | ||
Temperature Range | • Normal operation: -40°C ~ +85°C • Storage temperature: -45°C ~ +125°C | ||
Physical Characteristics | • Size: 22.1±0.20×22.1±0.20×8.6±0.20mm • Weight: Approx. 8.6g | ||