尺寸:9X9mm MTK3337芯片 GPS单模
Features
nBuild on high performance, low-power MediaTek MT3337 chip set
nUltra high Track sensitivity: -165dBm
nExtremely fast TTFF at low signal level
nBuilt in high gain LNA
nLow power consumption: Max 28mA@3.3V
nNMEA-0183 compliant protocol or custom protocol
nOperating voltage: 2.8V to 4.3V
nOperating temperature range:-40to85℃
nUltra-small SMD form: 9x9x1.8mm
nRoHS compliant (Lead-free)
Parameter | Specification | ||
Power Supply | • Supply voltage: 2.8V~4.3V Typical: 3.3V | ||
Power Consumption | • Acquisition: 28mA @VCC=VBAT=3.3V • Tracking: 20mA @VCC=VBAT=3.3V • Standby: 1.0mA @VCC=VBAT=3.3V • Backup: 7uA @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 (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 | ||
Horizontal Position Accuracy (Autonomous) | • <2.5m CEP @-130 dBm | ||
Update Rate | • 1Hz | ||
Accuracy of 1PPS Signal | • Typical accuracy: ±10ns • Time pulse width 100ms | ||
Acceleration Accuracy | • Without aid: 0.1m/s² | ||
Dynamic Performance | • Maximum altitude: 18,000m • Maximum velocity: 515m/s • Acceleration: 4G | ||
UART Port | • UART Port: TXA and RXA • Supports baud rate from 4800bps to 115200bps, 9600bps by default • UART port is used for NMEA output, MTK proprietary commands input | ||
Temperature Range | • Normal operation: -40°C ~ +85°C • Storage temperature: -45°C ~ +125°C | ||
Physical Characteristics | • Size: 9±0.15 × 9±0.15 ×1.8±0.1mm • Weight: Approx.0.36g | ||