The GPS-500 from Microchip Technology is a GPS/GNSS Disciplined Oscillator with Frequency 10 MHz, Operating Temperature -40 to 85 Degree C, Phase Noise -155 to -90 dBc/Hz, Senstivity 142 to 158 dBm, Storage Temperature -45 to 85 Degree C. Tags: Surface Mount. More details for GPS-500 can be seen below.