HD1688-17 DCF  radio controlled clock movements
Receiving frequency : 77.5KHz(DCF)

Battery size : LR6/AA

Battery life : approx 1 year

operating voltage : 1.25V~1.7V

Quartz adjustment : ±1s / d

Operating temperature : -5℃~+55 ℃

Storage temperature : -20℃~+70 ℃

Current consumption (1.5V): Less than 175 μA

Receiving time : 3~12 min（DCF / MSF)   3-16min(JJY)

Receiving current : ≤105 μA

Setting time after reception : max. 4min

Antenna : Ferrite core internal

Reception : 12x/day

Peak current : 7mA

Sensitivity : Less than 80μV/m

Second hand torque(1.5V) : ≥ 150μNm