尺寸:45X38mm MTK3339芯片 GPS單模
Features
n Build on high performance, low-power
MediaTek MT3339（Flash）chipset
n Ultra high Track sensitivity: -165dBm
n Extremely fast TTFF at low signal level
n Built in high gain LNA
n The built-in super capacitor for backup ephemeris
n Low power consumption: Max 28mA@3.3V
n NMEA-0183 compliant protocol or custom protocol
n Operating voltage: 3.0V to 5.0V
n Operating temperature range: -40to85℃
n Patch Antenna Size:25x25x4mm
n Small form factor: 45x38x14.3mm
n Communication type: UART/TTL
n Wire interface type: Audio head 4Pin, L=300cm
n RoHS compliant (Lead-free)
Parameter | Specification |
Power Supply | ? Supply voltage: 3.0V~5.0V Typical: 3.3V |
Power Consumption | ? Acquisition: 28mA @VCC=VBAT=3.3V ? Tracking: 20mA @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: -147dBm |
TTFF (Autonomous) | ? Cold start: 10~15s typ @-130dBm ? Warm start: 10s typ @-130dBm ? Hot start: 1s typ @-130dBm |
Horizontal Position Accuracy (Autonomous) | ? <2.5m CEP @-130 dBm |
Update Rate | ? 1Hz |
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 ? baud rate: 9600bps ? 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: 45±0.50 × 38±0.50 ×14.3±0.50mm ? Connecting line specifications: Audio head 4Pin, L=300cm ? Weight: Approx 75g. |