X72 Rubidium Atomic Clock is a high-performance Rubidium Atomic Oscillator produced by Symmetricom, USA. The feature is that it supports external 1pps taming, and can be connected to an external GPS receiver or
<BR>RUBIDIUM SYMMETRICOM EFRATOM LPRO-101 10Mhz Oscillator</P> <P>Symmetricom Timehub 5500 Expansion LOT 093-55505-02 tm</P> <P>Symmetricom 58521A GPS Cable w/ Extras</P> <P>Symmetricom 58529A GPS Line Amplifier with L1 Bandpass</P> <P>SYMMETRICOM 090-61030-01 SECURE7 DS0 DATAPORT ...