Quantic PMI Model DTA-2G18G-60-12-CD-1-20DBM-TS-NSI is a 12-Bit Programmable 60 dB Pin Diode Attenuator over the frequency range of 2 to 18 GHz. Specifications include insertion loss 4.2 dB; VSWR 1.6:1; flatness 0.54 dB; attenuation accuracy 0.22 dB; temperature sensor 3.03 V and switching speed 1 µs.  This model is offered in a slim line housing measuring only 2.0” x 1.8” x 0.5” with SMA female connectors. 

https://www.quanticpmi.com/product-details/dta-2g18g-60-12-cd-1-20dbm-ts-nsi