The AR133A-03 from AccuBeat is a Rubidium Oscillator with Frequency 10 MHz, Supply Voltage 15 V, Power Consumption 8 W (Steady State), 16 W (Warm-Up), Phase Noise -159 to -110 dBc/Hz, Short Term Stability 0.03 ppb. Tags: Module with Connector. More details for AR133A-03 can be seen below.