Easy to use, all in one system that will enable the rotation of an outdoor antenna from an indoor control
box and a hand held remote control. The indoor control unit has internal memory which will allow the
The Channel Master system can be specifically helpful to those who use a single outdoor antenna, but
are able to receive signals being broadcast from towers in different directions. In addition to TV antenna
use, the 9521HD is also popular among HAM radio operators and hobbyists for miscellaneous uses
requiring remote rotation. The motor and control unit are connected via a 3 conductor wire that carries
the electrical voltage and control signals from the indoor control unit to the outdoor drive unit.

Rotor Drive Unit Specifications
  • Improved Mechanical Stability
  • Enhanced Brake System
  • New Gray Color
  • Sturdy one piece cast aluminum housing
  • Heavy duty rotor motor
  • Durable powder coat paint finish
  • Precision cut gear system
  • Built-in steel thrust bearings
  • Easy push tab wire connections
  • Accepts antenna mast up to 2" OD
  • Perfect for TV, FM, HAM, WIFI, HDTV, and smaller CB Antenna Set Ups
  • Rotation - 1 RPM
  • Gear Ratio - 3200:1
  • 120V AC 60Hz
  • Operating temperature: -20 degrees Celsius to +55 degrees Celsius
  • Rotate torque: up to 100 ft/lbs
  • Driving torque: up to 1000 ft/ls
  • Overall height of drive unit: 10.25"
  • Upper Mast Holes: 2.125" center to center
  • Lower Mast Holes: 2.25" center to center
  • 3 conductor wire hook-up (Rotor wire not included, please see our other listings)

Control Unit Specifications
  • Updated physical design
  • New flush-mount front panel buttons
  • Enhanced position reliability
  • New blue LED display
  • Integrated power supply
  • Non-Volatile memory holds stored locations in power outage situations
  • 69 channel programmable memory
  • Automatic TV channel to compass location synchronization ensures pinpoint position accuracy
  • Direct RF station access via TV channel number or digital compass location
  • Unobtrusive rotor controller unit blends in with any decor
  • Compatible with most universal remote controls
  • Includes infra-red remote control
  • System carries 90 day manufacturer's warranty
The CM-9521HD complete antenna rotator system allows you to rotate your antenna in any direction.
Includes rotor drive unit, rotor controller unit, handheld remote control, and instruction manual.
The CM-9521HD is the industry standard for antenna rotors.
Rotor Post
Channel Master 3274
Grounding Block
Channel Master 1805
5' x 1-1/4" Mast Pipe
JSC Wire
Rotor Wire
Channel Master 7777
Titan 2 Amplifier
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