The 1450B from Novatech Instruments is a Time and Frequency Standard with Frequency 100 kHz, 1 MHz, 5 MHz, 10 MHz, Phase Noise -140 to -90 dBc/Hz, Short Term Stability -0.03 to 0.03 ppb. Tags: Rack mount, Frequency Standard. More details for 1450B can be seen below.
