The LNRClok-1500 (Low Noise Rubidium Clock) is a smart, low cost, low noise, compact and with an optionally integrated GPS/GNSS receiver. It uses the adaptive SmarTiming+ technology, disciplining the GPS/GNSS reference at 1ns resolution, providing a host of complex time and frequency features in one package solution, while achieving state-of-the-art performance, reliability and extended lifetime. Its low noise performance features -130dBc/Hz @ 10 Hz with a 10MHz output signal.