The FireFly-IA from Jackson Labs Technologies is a GPS/GNSS Disciplined Oscillator with Frequency 1574 MHz, Operating Temperature 0 to 60 Degree C, Output Power 13 dBm, Phase Noise -145 to -80 dBc/Hz, Power Dissipation 1.35 to 1.8 W. Tags: Module with Connector. More details for FireFly-IA can be seen below.