The AT94B-MRX-S from Aaren Technology Ltd is a Rubidium Oscillator with Frequency 10 MHz, Output Power 7 to 13 dBm, Frequency Retrace ±2x10-11, Supply Voltage 12 to 18 V, Input Power 6 W. Tags: Surface Mount. More details for AT94B-MRX-S can be seen below.