Everything you need for a completely functional GPSDO - NR3700-CAL-T 10MHz frequency reference, antenna and power supply. This TCXO based kit is our lowest cost GPSDO kit. With auto-calibration to compensate for long-term drift, exceptional performance at a low price point. The perfect GPSDO for the amateur wanting frequency accuracy on a limited budget.

• Continously compensates (self-calibrating) for long-term-aging

• Holdover stability of +- 1 ppm/year

• Locked accuracy <4E-12

• Operates from a nominal 12 vdc source

• GPS lock indicator allows system to know when the unit signal is being controlled by GPS -  alerts to potential problems

• Kit includes NR3700-CAl-T,  antenna and power adapter

• Add portability with a high impact plastic waterproof case (order separately)

• Custom kits  -we can put together a kit for any of our GPS locked references