| BRAND | Hopf |
| Product | FG7020GPS |
| Description | control board |
| Internal code | IMP1946330 |
| Weight | 1 |
| Custom code | 91091000 |
| Technical specification | for System 7001GPS with: Front Panel 3U/4HP 22-channel GPS receiver Output of: DCF77 antenna simulation (77.5kHz) DCF77 pulse (TTL) PPS pulse/Switch-Box Control (TTL) hopf Master/Slave String (RS232/RS422) |
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