尺寸:11X8mm MTK3339芯片 GPS单模
Features
nBuild on high performance, low-power MediaTek MT3339 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℃
nSMD type with stamp holes
nSmall form factor: 11.4x8.8x2.0mm
nRoHS compliant (Lead-free)
Parameter | Specification |
Power Supply | • Supply voltage: 2.8V~4.3V Typical: 3.3V |
Power Consumption (General firmware) | • Acquisition: 28mA @VCC=VBAT=3.3V • Tracking: 20mA @VCC=VBAT=3.3V • Backup: 12uA @VBAT=3.3V |
Power Consumption (Low power firmware) | • Acquisition: 20mA @VCC=VBAT=3.3V • Tracking: 5~15mA @VCC=VBAT=3.3V • Backup: 12uA @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 |
HorizontalPosition Accuracy (Autonomous) | • <2.5m CEP @-130 dBm |
Max Update Rate | • Up to 10Hz,1Hz by fault |
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; General mode defaults to 9600bps, Low power mode defaults to 115200bps • 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: 11.4±0.15 ×8.8±0.15 ×2.0±0.1mm • Weight: Approx. 0.41g |