ADL5521 or HMC374SC70E can be used as LNAs for 2.4 GHz.
What are the requirements?
Regarding the HMC374SC70E evaluation board PCB # 600-00435-00-2, the Z0 target for the RF traces is 50 ohms. Using a gerber reader to view the gerber files posted on the product page...
The attached list details all of the ADI RF Amplifier Sys-Parameter models that are available in the 2015.08 release of Keysight Genesys. This library will be updated over time.