尺寸:55X46mm MTK3333芯片 GPS&北斗雙模 RS232通訊方式
Features
n Build on high performance, low-power
MediaTek MT3333 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 45mA@5.0V
n NMEA-0183 compliant protocol
n Operating voltage: 3.3V to 5.5V
n Operating temperature range: -40to85℃
n Patch Antenna Size:25x25x4mm
n Small form factor: 55x46x14.5mm
n Communication type: RS232
n Wire interface type: Molex 4PIN, L=300cm
n RoHS compliant (Lead-free)
Parameter | Specification |
Power Supply | ? Supply voltage: 3.3V~5.5V Typical: 5.0V |
Power Consumption | ? Acquisition: 45mA @VCC=VBAT=5.0V ? Tracking: 40mA @VCC=VBAT=5.0V |
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: -146dBm |
TTFF (Autonomous) | ? Cold start: 35s typ @-130dBm ? Warm start: 30s typ @-130dBm ? Hot start: 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 | ? not enabled |
Acceleration Accuracy | ? Without aid: 0.1m/s2 |
Dynamic Performance | ? Maximum altitude: 18,000m ? Maximum velocity: 515m/s ? Acceleration: 4G |
RS232 Port | ? RS232 Port: RS232_TX and RS232_RXD ? Supports baud rate from 4800bps to 115200bps, 9600bps by default ? RS232 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: 55±0.50 × 46±0.50 ×14.5±0.50mm ? Connecting line specifications: Molex 4PIN , L=300cm ? Weight: Approx.80g |