SparkFun Venus638FLPx GPS Logger with SMA Connector
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Description
The SparkFun Venus638FLPx GPS Logger is a high-performance positioning module featuring rapid 20Hz update capability and onboard 32M flash memory for standalone data logging. Equipped with an SMA antenna connector and high-sensitivity navigation, it is an ideal tracking solution for makers, hobbyists, and robotics students.
High-speed tracking and sensitivity
The Venus638FLPx delivers fast positioning with configurable update rates up to 20Hz and a tracking sensitivity of -165dBm. It features 2.5m accuracy, SBAS (WAAS/EGNOS) support, and built-in multipath and jamming detection.
Onboard logging and communication
Equipped with 32M serial flash memory, the board supports standalone SPI data logging. It communicates using standard NMEA-0183 or SkyTraq Binary protocols at a default baud rate of 9600bps, adjustable up to 115200bps.
Power and connectivity
The board operates efficiently at 29mA (67mW during navigation) and can be powered with a 3.3V regulated supply or a 3.5V to 12V source via the JST connector, including 3.7V LiPo batteries. It connects directly to active or passive antennas via its SMA interface.
Specifications
| Update Rate | 20Hz |
| Tracking Sensitivity | -165dBm |
| Cold Start Sensitivity | -148dBm |
| Position Accuracy | 2.5m |
| Cold Start TTFF | 29 seconds |
| AGPS TTFF | 3.5 seconds |
| Hot Start TTFF | 1 second |
| Operating Current | 29mA |
| Power Consumption | 67mW |
| Input Voltage | 3.5 - 12V (or 3.3V regulated / 3.7V LiPo) |
| Output Protocol | NMEA-0183, SkyTraq Binary |
| Default Baud Rate | 9600bps (adjustable to 115200bps) |
| Flash Memory | 32M Serial Flash |
| Dimensions | 1.25 x 0.75 inches |
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