Size:18X18mm Huada 8020 Chip GPS&Beidou Dual Mode with battery
Features
n Build on high performance, low-power CEC Huada HD8020 chipset
n Ultra high Track sensitivity:-163dBm
n Extremely fastTTFF at low signal level
n Built in highgain LNA
n The built-insuper capacitor for backup ephemeris
n Low powerconsumption: Max 60mA@3.3V
n NMEA-0183compliant protocol
n Operatingvoltage: 3.3V to 5.0V
n Operatingtemperature range: -40to85℃
n Patch Antenna Size:18.4x18.4x1.5mm
n Small formfactor: 18.4x18.4x4.6mm
n Communicationtype: UART/TTL
n RoHS compliant(Lead-free)
Parameter | Specification |
Power Supply | • Supply voltage: 3.3V~5.0V Typical: 3.3V |
Power Consumption | • Acquisition: 60mA @VCC=VBAT=3.3V • Tracking: 45mA @VCC=VBAT=3.3V • Backup: 25uA @VBAT=3.3V |
Receiver Type | • Code 72 search channels • GPS&QZSS L1 1575.42MHz C/A , Beidou B1 1561.098MHz SBAS: WAAS, EGNOS, MSAS, GAGAN |
Sensitivity | • Tracking: -163dBm • 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 and RXD • Supports baud rate from 4800bps to 115200bps, 9600bps by default • UART port is used for NMEAoutput, Huada proprietary commandsinput |
Temperature Range | • Normal operation: -40°C ~ +85°C • Storage temperature: -45°C ~ +125°C |
Physical Characteristics | • Size: 18.3±0.50 × 18.3±0.20 × 4.6±0.20mm • Weight: Approx.11.9g |