尺寸:22X22mm MTK3333芯片 GPS﹠北斗雙模
Features
n Build on high performance,low-power
MediaTek MT3333 chip set
n Ultra high Track sensitivity: -165dBm
n Extremely fast TTFF at lowsignal level
n Built in high gain LNA
n Low power consumption: Max45mA@3.3V
n NMEA-0183 compliantprotocol or custom
protocol
n Operating voltage: 3.0V to5.0V
n Operating temperaturerange:-40to85℃
n PatchAntenna Size: 18.4x18.4x4mm
n Module Size: 22.1x22.1x8.6mm
n Communication type: UART/TTL
n 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 ? Standby: 2.0mA @VCC=VBAT=3.3V ? Backup: 20uA @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: -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 | ||
HorizontalPosition 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 commandsinput and firmware upgrade | ||
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 | ||