... ect. Detailed Product DescriptionCC81131 is a high performance time and frequency reference receiver, able to telecom, mobile communication base station, ... Zhen OCXO and high quality, precision timing GPS receiver type, frequency of monitoring the use of advanced GPS technology, the ... : 1 channel, N type, 1575.42MHz 2.048MHz signal output 1 channel, BNC, square wave, 75Ω Frequency Accuracy: <1E-12 ...