尺寸:9X9mm MTK3337芯片 GPS單模
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 | ||