The PMB-648 GPS module provides high performance with a SiRFstarIII chipset and integrated patch antenna. See our GPS Comparison Chart to evaluate this model side-by-side with the very similar PMB-688 and the low cost PMB-248.

The PMB-648 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; rechargeable battery for memory and RTC backup; cable for power, TTL and RS-232 connections.