GPS Master Clock-Valcom GPS master clock-8 Channel technology- Microprocessor based- Immediate start up time- High reliability- In case of loss of signal, a temperature controlled time base is implemented allowing calibration of the time during variants in temperature- Synchronized to UTC within 500 nanoseconds- Interfaces directly with Valcom analog and digital clock systems- Capable of working as a master for Valcom 2-wire digital systems- Operation of auxiliary circuit for once-a-day relay closure with precise second resolution- Field programmable via 2 switches- 2 Levels of programming for technicians and end users- 10 Year battery backup for timekeeping- 1 Programmable signal duration per circuit (1- 99 seconds), allowing the user to interface with other systems- Diagnostic mode allows the user to maintain and troubleshoot the clock system from the master clock- LED display- Valcom digital inputs and outputs- Rack mountable- FCC approved- Made in the U.S.A.- When used with Valcom wireless clocks, add a V-WMCR wireless master clock repeater-When used with Valcom wired clock (2-wire correction) add V-VCU 6-Amp 2-wire clock drivers as necessary-Includes 6 foot power cord, dome antenna, 75 foot RG-59 cable- VCVGPS