The AXCS9000HP from AXTAL is a Time and Frequency Standard with Frequency 5 MHz, 10 MHz / 100 kHz and 1 MHz, Frequency Stability 0.0001 to 0.0001 ppm, Output Power 7 to 13 dBm, Phase Noise -159 to -100 dBc/Hz, Short Term Stability 0.00027 to 0.005 ppb. Tags: Rack mount, Time & Frequency Standard. More details for AXCS9000HP can be seen below.