Radio Frequency Attenuators Q9/BNC coaxial fixed attenuator, attenuation range: 1-30dB, frequency range: DC-3GHz/DC-6GHz, power: 2W/5W, attenuation: 1dB, 2dB, 3dB, 5dB, 10dB, 15dB, 20dB, 25dB, 30dB, 40dB