The Mini-PCIexpress from Jackson Labs Technologies is a GPS/GNSS Disciplined Oscillator with Frequency 20 MHz, 1574 MHz, Operating Temperature -10 to 70 Degree C, Phase Noise -155 to -68 dBc/Hz, Power Dissipation 0.2 W, Senstivity Acquisition –148 dBm, Tracking -165 dBm. Tags: Module with Connector. More details for Mini-PCIexpress can be seen below.