Our products include a broad range of frequency reference products from low-cost TCXO to atomic GNSS locked references suitable for scientific applications and satellite uplinks. Our pulsed and reference amplifiers preserve the integrity of the source while being protected from the transients and faults to be expected in the real world. NMEA and PPS sources provide reliable timing under GNSS denied and/or unreliable conditions and configurable to match the content of your system. 10 to 100 MHz references.