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Channel Master Manufacturers of HD TV Antennas (Ariels) Preamplifers (Preamps) Distribution amps, and antennas Mounting Channel Master Canada Save and Replay Distributor. Channel Master is a US company that manufacture products for O.T.A. (over the air). They manufacture a range of outdoor antennas suited for receiving an over the air digital signal to enable you to capture far away towers and receive a crystal clear digital picture and even breath taking HD signals using a HD Antenna. Channel Master also make Amplifers and mounting Hardware for your HD Antenna installation.

Channel Master 4221HD (CM-4221HD) HDTV Antenna

Channel Master 4221HD HDTV Antenna UHF 4 bay bowtie high gain in Canada

The newest 4 bay antenna from Channel master is now 7 years old from any research and development with no new changes the Antennas Direct DB4e however has made leaps and bounds with a 4 bay design that even outperforms a channel master 8 bay 4228HD on UHF Frequencies and raw gain. The Channel Master 4 Bay Antenna is a high quality UHF HDTV OTA Antenna optimized for DTV (Digital TV). Its not as big as its big Brother the 8 bay channel master 4228 and 4228HD with its 8 bays. This bowtie bay technology and unique construction makes channel master a good quality antenna, many clone competitors have tried to copy this construction but none have been as successful as channel master. Channel Master is a company that brings a wealth of over 30 years and are experts on Antenna products for digital television reception.

Channel Master's model 4221HD antenna can receive digital and analog over-the-air TV signals in the UHF band only (over 90% of digital TV signals are in the UHF band). The 4221HD is optimized for "near-fringe" reception of HDTV. Its space-efficient design is suitable for roof and attic installations. Channel Master 4221HD is said to have a higher gain then the original 4221.

The Channel Master 4221HD is classified as a Medium-sized Directional antenna. For Over the Air channels see our OTA page for channel listing by postal code within Canada or the USA.


  • receives digital & analog UHF TV signals

  • range is 45 miles

  • reception "beam width" is 45 degrees

  • 4-bay bowtie dipole design

  • 20"W x 5-1/4"D x 36-1/4"H

  • 10" turning radius (if used with an antenna rotor)

  • includes 300-ohm-to-75-ohm adapter

  • mast not included

  • RG-6 cable is recommended

  • 10 inch Turning Radius

  • Far Suburban Rated

  • This is a Large Directional antenna and yields a beam width of about 45 degrees

  • Box size: L 37.5" H 21.5" W 5.5"

Channel Master 4221HD Instruction Manual

Antenna Comparison Chart

Antenna DB Gain Miles Beam Width
Channel Master 4221HD 10.2 45 45
Antennas Direct DB2E (half the size of 4221HD) 12 45 45
Antennas Direct Clearstream 2 (2/3 the size of 4221HD) 10.2 50 mushroom almost 180
Antennas Direct DB4E (10% bigger 50% more powerful higher DB gain than the 4228HD) 15 60 60

$139.99 CDN Add to Cart

Canada Distributor of Channel Master, Antennas Direct, Winegard, HDHomeRun, Mygica , Viewsat. Cut the cable cord and get free HDTV

SaveAndReplay your one stop website for Over the Air (OTA) HDTV. Products for HDTV Antennas from Channel Master, Antennas Direct, Winegard, Ooma for home phone, and G-box for Streaming. Warehouse in GTA Toronto in Mississauga!
Mississauga / Toronto (905) 593-1494