royaltek gps module RGM-2106: 1,smart antenna GPS module 2,SiRFstar IV GPS 3,gps module with antenna 4,Support MEMS Sensor RoyalTek RGM ... noise environment. Power by the new SiRFStar IV architecture, the module can acquire satellites as low as -163dBm better than SiRF ... Star III. The high sensitivity, low power, 48-channel GPS module is the best choice to be embedded in a portable ...