Channel Master RF Antenna Signal Amplifier

Equipped with Passive Return Path, Unlike Many in the Industry

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What's special about this amplifier?

  • Available in one, two, four, and eight output formats
  • All formats preserve your signal's integrity
  • Weather-sealed housings assure that your unit will not corrode and deteriorate
  • Passive return path allows use with a cable modem
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Channel Master's RF signal amplifiers are compact and versatile, designed for indoor use with coaxial cables. These devices can improve reception by strengthening weak antenna signals, or by extending the strength of signal quality over a long cable run.

CMI-3412 Channel Master 2 Output Distribution Amplifier 8.5" L x 5.25" W x 2.25" H 4.5 lbs

These are "bi-directional" and provide a return signal path for use with a cable box or cable modem (return signal is not amplified). The included AC power supply connects to the amplifier via a short length of coax cable (included).

  • Excellent dB gains provide a strong, balanced signal
  • AC/DC power adapter is included with the amplifier
  • Operating frequency of 54 to 1002 MHz
  • Return path bandwidth of 5 to 42 MHz
  • Both analog and digital signals are supported along with HDTV and CATV distribution
  • Inputs are threaded coax, the same type used to connect cable TV wires or antennas
  • Cable company approved for digital cable, HDTV, and high-speed Internet
  • Bi-directional for use with digital services such as cable and telephone
  • RG-6 cable is recommended for greater signal integrity
  • 6000-volt surge protection to protect your equipment from damage
  • 5 year manufacturer warranty


Amplifier Gain 11.5 dB
Input / Output 1 / 2
Operating Frequency Range 54 - 1002 MHz
Return Path Frequency Range
(for cable modem applications)
5 - 42 MHz
Impedance 75 ohm
Noise 2.7 dB
Connections F-type: input (1), output (2), power (1)





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