GPS gprs module of high Performance, Low Price 1.Chipset: ... sec. 3.Size:20.0*28.0*3.2 mm GPS gprs module with Low Price, High Performance, International Approvals, ... meters, DGPS corrected. 4).Time 1 microsecond synchronized to GPS time. 5.Datum:Default:WGS-84.6.Acquisition Rate ... the pulse positive edge 4).Measurements Aligned to GPS second, ±1 microsecond Electrical specification can be customized.