1)HOLUX GPS Module GR-87 2)High Performance/Low Price gps receiver module 3)GPS car navigation module GR- ... module GR-87,HOLUX GPS Module GR-872)High performance, low power consumption GR-873)Small size GR-87,GPS car ... StarIII chipset. Average Cold Start time and under 45 seconds. Low power consumption 20 channels "All-in-View" tracking. 200, 000 ...