The FireFly-IIA from Jackson Labs Technologies is a GPS/GNSS Disciplined Oscillator with Frequency 1574 MHz, Operating Temperature 0 to 75 Degree C, Output Power 13 dBm, Phase Noise -155 to -90 dBc/Hz, Power Dissipation 4 W. Tags: Module with Connector. More details for FireFly-IIA can be seen below.