... 2)High performance, low power consumption GR-87 3)GPS car navigation module GR-87 GR 87 Kindly NOTE:All accessories(antenna,cable ... module ,GPS module GR-87,HOLUX GPS Module GR-872)High performance, low power consumption GR-873)Small size GR-87,GPS car navigation ... module4)Easy integrated GPS engine/module The GR-87 design utilizes the latest surface mount technology (BGA) and ...