http://www.microsemi.com/products/timing-synchronization-sys...
Also you can get fairly cheap rubidium clocks from ebay that tend to output around 10MHz for fairly cheap. They would be less accurate that the one he's sporting however.
http://www.microsemi.com/products/timing-synchronization-sys...
Also you can get fairly cheap rubidium clocks from ebay that tend to output around 10MHz for fairly cheap. They would be less accurate that the one he's sporting however.