4 Way TV Aerial Masthead Amplifier New 4G Filter to prevent mobile phone interference Variable gain 10-24dB (4-way 8-20dB) Complete with free f plugs and wiring diagram Includes 13amp 12V 100mA power supply Vision Optima Masthead Amplifier and F plugs. 4 Way masthead amplifier to amplify and distribute a TV signal around the home.
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