| Basic order number | Name | Manufacturer |
|---|---|---|
| 6DP3900-1DC60-2__1 | DCF 77 time-of-day receiver 6021 | Siemens |
| 6DP3900-1GP68-7_X0 | GPS signal receiver 6870 | Siemens |
| 6DP3900-1GP70-0_X1 | GPS signal receiver 7001 with TTY | Siemens |
| 6DP3900-1GP70-1_Y_ | GPS signal receiver with LAN | Siemens |
| 6DP8421-8A___ | TTY cable for connecting the DCF 77 receiver 6021 with time-of-day transmitter | Siemens |
| 6DP8422-8A___ | TTY cable for connecting GPS signal receiver 7001 with time-of-day transmitter | Siemens |
| 6DP8436-8A___ | TTY cable for connecting GPS signal receiver 6870 with time-of-day transmitter | Siemens |