... crystal drift, and these parameters are stored in onboard EEPROM memory. When the GPS is not available or when abnormal, CC81131 ... information, easy to implement integrated systems management and monitoring. Features:Clock output: 10MHz, 2.048Mb/s(E1), 2.048MHz, 1pps, ... IRIG-B, RS232, RS422, RS485We configure clock output according to the different demand. For example, as single ...