The AR133A from AccuBeat is a Rubidium Oscillator with Frequency 10 MHz, Supply Voltage 12 to 15 V, Power Consumption 8.25 W (Steady State), 16 to 18 W (Warm-Up), Phase Noise -158 to -102 dBc/Hz, Short Term Stability 0.005 to 0.03 ppb. Tags: Module with Connector. More details for AR133A can be seen below.