February 16, 2022
The PMB-688 GPS features 20 parallel satellite-tracking channels for fast acquisition of NMEA0183 v2.2 data for robotics navigation, telemetry, or experimentation. There is a built-in patch antenna as well as a connection for an external one, rechargeable battery for memory and RTC backup, cable for power, and TTL connection.
See our GPS Comparison Chart to evaluate this model side-by-side with the very similar PMB-648.
Key Features:
- High sensitivity
- SiRFstarIII chipset
- 20 parallel satellite-tracking channels for fast acquisition and reacquisition
- Built-in rechargeable battery for memory and RTC backup
- Supports NMEA0183 V2.2 data protocol
- Includes cable for power, TTL
Application Ideas:
- Navigation
- Tracking Devices
- AVL and Location-Based Services
