• Channel Master CM-7777HD Refurbished Amplify Adjustable Gain TV Preamplifier Antenna Outdoor VHF UHF HDTV Amplifier

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Item #: AM77HDR
Part #: CM-7777HD
GTIN: 0020572277778
Reg. Price: $159.95
Our Price: $139.95
Product being shipped:  


Channel Master CM-7777HD Refurbished Amplify Adjustable Gain TV Preamplifier Antenna Outdoor VHF UHF HDTV Amplifier.

Refurbished unit.

The new Channel Master 7777HD Amplify is an easy to install, professional-grade TV antenna amplifier. The CM7777HD is designed to work with any OTA TV antenna to boost signal strength and improve signal quality. Amplify may increase the number of channels received by the antenna depending on your distance from the TV station transmitter. Amplify's innovative circuitry is specifically built to support the newest digital and high definition broadcast standards. The heavy-duty weatherproof housing will accommodate indoor and outdoor installations.


  • Adjustable gain (17 dB/30 dB)
  • Ultra low noise
  • Improves Signal Quality in most applications
  • Decreases pixulation due to low signal quality
  • LTE Filter Built In
  • EMI & FM Out of band filtering
  • Built-in surge protection
  • Professional Grade
  • Heavy duty rating for indoor/outdoor use
  • Can be Mast mounted for close proximity to antenna

What's Included

  • AMPLIFY TV antenna amplifier
  • USB Power Cord
  • Power inserter
  • Power adapter
  • (2) Mast straps
  • (3) Mounting Screws
  • Installation Guide


  • Impedance (Input and output): 75 Ohm
  • Connector: F-type
  • Frequency range: 54MHz~80MHz & 125MHz~700MHz
  • Gain: 30dB (High) / 17dB (Low)
  • Noise figure: typically less than 3dB
  • UL listed: Yes
  • RoHS compliant: Yes
  • Input return loss: <-15
  • Output return loss: <-15
  • Max input level: 30 (High) 17 (Low) dBmV
  • Max output level: 34 dBmV
  • FM trap: 88-95 MHz; > 10dB, 95-108 MHz; >13dB
  • Power consumption: <3W
  • Operating temperature: -40 C to +60 C
  • Weight (packaging): 1.0 lb
  • Size (packaging): 7.6 x 5.1 x 3.0 in


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