尺寸:45X38mm MTK3337芯片 GPS单模
Features
n Build on high performance, low-power MediaTek MT3337 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: 45x38x13.8mm
n Communication type: UART/TTL
n Wire interface type:3Pin, L=50cm
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: -146dBm |
TTFF (Autonomous) | • Cold start: 35s typ @-130dBm • Warm start: 30s typ @-130dBm • Hot start: 1s typ @-130dBm |
HorizontalPosition Accuracy (Autonomous) | • <2.5m CEP @-130 dBm |
Update Rate | • 1Hz |
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 |
UART Port | • UART Port: TXD • baud rate: 9600bps • UART port is used for NMEAoutput |
Temperature Range | • Normal operation: -40°C ~ +85°C • Storage temperature: -45°C ~ +125°C |
Physical Characteristics | • Size: 45±0.50 × 38±0.50 ×13.8±0.50mm • Connecting line specifications: 3Pin, L=50cm • Weight: Approx.32g |