ClockTamer

ClockTamer is a device manufactured by Fairwaves to provide a low-cost small-size configurable clock generator with GPS sync option. It is was specifically designed to be used with USRP, but nothing prevents you from using it with other device of your choice given it has external clock input.

ClockTamer is not only Open-Source Software project, but is also an Open-Source Hardware (OSHW) project. All schematics, bill of materials and components placement are published in Downloads section.

This Google Code project holds all source code you may need to work with ClockTamer and various instructions how to use and hack it.

ClockTamer may be used as a reference clock, e.g. for:

   GSM (e.g. with OpenBTS)
   TETRA
   DAB
   DVB
   GPS
   RFID
   LTE
   WiMAX
   many others... 

Referensi

• http://code.google.com/p/clock-tamer/