Among all the mini rc servos, DS939HV is a digital one with high torque. The stall torque is 2.6kg.cm / 2.8kg.cm. Some of our clients apply the model DS939HV in toy robots, boats and planes,etc. There are some differences between DS939HV and DS939MG. DS939HV is a digital one, but DS939MG is analog one. The biggest difference is that DS939HV has a larger torque than the model DS939MG. For more details, please have a look at the two tables below.
40°/one side pulse traveling 400us
2 slider/direct Drive
Connector Wire Length
Operating Temperature Range
Packaging and shipping
By Express ( FedEx, UPS, DHL, TNT, EMS, etc... )
--- Advantage: Fast ( takes about 7 - 10 days in the delivery ), door to door
--- Disadvantage: A little expensive
By Sea ( Ocean ) Transportation
--- Advantage: Much cheaper than Express or Air transportation.
Disadvantage: Slow and you need to take the goods from your destination port by yourself.