尺寸:55X46mm MTK3339芯片 GPS单模
Features
n Build on high performance, low-power MediaTek MT3339 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 5.5V
n Operating temperature range: -40to85℃
n Patch Antenna Size: 25x25x4mm
n Small form factor: 55x46x14.5mm
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~5.5V 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 (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 |
Max Update Rate | • Up to 10Hz,1Hz by default |
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 |
Temperature Range | • Normal operation: -40°C ~ +85°C • Storage temperature: -45°C ~ +125°C |
Physical Characteristics | • Size: 55±0.20 × 46±0.20 ×14.5±0.50mm • Connecting line specifications: Audio head 4Pin, L=300cm • Weight: Approx.80g |