... (Default: UART) -Fully utilized SS4 upgrade features IntroductionThe Leadtek LR9130 GPS module is a high sensitivity, low power, Surface Mount ... the SiRFstarIV GSD4e chipset, SiRF's newest chipset technology. The LR9130 provides flexible I/O interfaces (UART is default, I2C ... and SPI by customer requirement). The LR9130 is designed to allow quick and easy integration into GPS ...