... Wenjing Zhen OCXO and high quality, precision timing GPS receiver type, frequency of monitoring the use of advanced GPS technology, the crystal ... :Antenna Input: 1 channel, N type, 1575.42MHz 2.048MHz signal output 1 channel, BNC, square wave, 75Ω Frequency Accuracy: <1E-12 (GPS ... ITU G.823 10MHz signal output 1 channel, BNC, square wave, TTL level Frequency stability: better than ± 5E-10 (0 ~ 50 °C ...