HMC472 is a broadband 6-bit digital attenuator with an attenuation range of 0~31.5dB and a typical step error of +/- 0.25dB. It adopts QFN surface mount package, single power supply 5V power supply, operating frequency range from DC to 3.8 GHz, and insertion loss 2.0 dB (typical value), IIP3 is +54 dBm, suitable for RF and IF applications. Operating frequency range: 1M~3.8GHz Maximum power of input signal: 20dBm Attenuation factor and step length: The attenuation factor is 0~31.5dB, and length is 0.5dB. Insertion loss: less than 2.0dB. Attenuation control interface: one is manual adjustment control through the 6-position pin header on the board; Input and output impedance: 50 ohm. Power supply: typical value +5V, maximum cannot exceed +7V. Input and output interface: SMA interface inner screw inner hole. Colour: green Material: plastic Package Contents: 1 x RF Attenuator Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.