Quantic PMI Model DTA-2G18G-64-10B-SFF is a 10-Bit Programmable Attenuator with a frequency range of 2.0 to 18.0 GHz. It has an insertion loss of 4.98 dB, a VSWR of 1.9:1, a flatness of ±1.04 dB, an accuracy of attenuation of ±0.5 dB, and a switching speed of 1 us. This unit has SMA female connectors and is 2.50" x 2.00" x 1.00".  https://www.quanticpmi.com/product-details/dta-2g18g-64-10b-sff