Lathem DDC2 - Manual (Page 60)

Warranty Digital Display Wall Clock Guide Page 54
The LTR-GPS package includes:
LTR-GPS Satellite Synchronizer
115vAC, 2.7w, 50/60Hz Power Adapter
Active GPS Antenna with 25ft. Cable
Antenna Mounting Bracket and Hardware
Installation and Set-Up Guide
Separately, from Lathem, for Installer convenience:
GPS-INSTALL-TOOLS: Battery / Beeper assemblies aid in Antenna positioning
LTR-GPS Specifications:
Size / Weight 3.25”x 2”x6.6” / 1 lb.
Power: 6-12vAC/DC, 300mA (max)
Certificates: FCC Part-15, ICES003