尺寸:55X46mm MTK3333芯片 GPS&北斗双模 RS232通讯方式
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 default |
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 |