尺寸:11X10mm MTK3333芯片 GPS﹠GLONASS雙模
Features
nBuild on high performance, low-power MediaTek MT3333 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: 10.1x9.7x2.2mm
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: 25mA @VCC=VBAT=3.3V ? Standby: 3.0mA @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 , GLONASS L1OF 1602MHz ? 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 | ||
Horizontal Position Accuracy (Autonomous) | ? <2.5m CEP @-130 dBm | ||
Max Update Rate | ? Up to 10Hz,1Hz by fault | ||
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 and firmware upgrade | ||
Temperature Range | ? Normal operation: -40°C ~ +85°C ? Storage temperature: -45°C ~ +125°C | ||
Physical Characteristics | ? Size: 10.1±0.15 × 9.7±0.15 ×2.2±0.1mm ? Weight: Approx. 0.41g | ||