Reliable PLL GPSDO GPS Taming Clock with Sine Wave GPS Receiver Technology. Features: Brand new and high quality Made of high-quality materials, sturdy and practical PLL-GPSDO GPS Tamed Clock Sine Wave GPS Receiver 10M 1PPS Specification: Part name: PLL-GPSDO GPS Taming Clock material: metal Colour: Black Mode: PLL-GPSDO Power: DC6.0-12.0V/. 0.1Hz, off: frequency deviation accuracy. Please kindly note that. Also, the each additional item means. The the same color and size. Transit time may be a little delayed because of the. If you have any questions.