SG2100
Shaft Outside Diameter: 42mm (1 5/8")
DiSEqC 1.2 compliant
Plastic gears inside
Rotation Speed 1.9 - 2.5 degrees per second
Most dishes would fit on it.
Takes a dish upto 1.2 m (48")
Made in Taiwan
HH100
Shaft Outside Diameter: 54mm (2 1/8")
DiSEqC 1.2 & USALS compliant
Metal gears inside
Rotation Speed 1.2 - 1.5 degrees per second
Requires a dish with U Bolts mounting bracket
Takes a dish upto 1.0 m (39")
Made in Italy