Features: Suitable for a variety of RF and IF applications. Insertion loss is less than 2.0 dB (typical) and IIP3 is +54 dBm. Made of high quality electronic components, stable and reliable. Adopt QFN surface mount package, uses single power supply 5V, working frequency range from for DC to 3.8 GHz. The HMC472 is a wideband 6-bit digital attenuator with an attenuation range of 0 to 31.5 dB and a typical step error of 0.25 dB. Specifications: Material: Metal Size: Approx. 8x6 for cm/3.15x2.36 in Operating Frequency Range: 1 ~ 3.8GHz Input Signal Maximum Power: 20dBm Attenuation Factor and Step Size: Attenuation factor is 0~31.5db, step size is 0.5db Insertion Loss: Less Than 2.0dB Input and Output Impedance: 50 Power Supply: Typical value +5V, maximum can not exceed +7V Input and Output Interface: SMA interface inner screw hole Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Attenuator Module