Antra AT-MB04HD HDTV Antenna for UHF Super Strong 4 Bay Design with Steel Mesh Stucture Wideband - suitable for most Canada & US reception areas, covering UHF bands channels 14-69. Suited for medium and week signal strength areas. Strong Steel & Aluminium design with ABS Plastic Injection, rust free Transformer pre-installed with 75 Ohm output Optimized for HDTV reception in Canada and USA