Quantic PMI Model DTA-26R5G40G-30-CD-1 is a 10-Bit Programmable Attenuator with a frequency range of 26.5 to 40 GHz with an insertion loss of 6 dB; an attenuation range of 30 dB; and an accuracy of attenuation of 0.09 dB. Other specifications include VSWR of 2.0:1; an input power of +24 dBm; an input 1 dB compression point of +10 dBm. Unit size is 2.00" x 1.80" x 0.50" and has 2.92mm female connectors.  https://www.quanticpmi.com/product-details/dta-26r5g40g-30-cd-1