Smart GPS Patch Antenna Modules Specifications We have a range of High sensitive GPS modules of various types like Patch, SMD and GPS Engine Board with MMCX. These GPS modules We manufacture GPS Antenna Modules, also known as smart GPS patch antenna modules. We offer the following range: RASTA-P-634R/RASTA-634F RS232 serial port with 6 pins wafer connector Dimension: 33.9 * 33.9 mm RASTA-P-625F RS232 serial port with 6 pins wafer connector Dimension: 25 * 25 mm RASTA-P-634UR USB port with Mini DIM USB Interface Dimension: 33.9 * 33.9 mm